SMITH BARNEY WORLD FUNDS INC
N-30D, 1998-07-09
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<PAGE>
 
[GRAPHIC]

                         Smith Barney 
                         World Funds, Inc.

                         Emerging Markets Portfolio
                         European Portfolio
                         Pacific Portfolio

                         -------------------------------------------------------
                         SEMI-ANNUAL REPORT
                         -------------------------------------------------------
                         April 30, 1998


                  [LOGO] Smith Barney Mutual Funds
                         Investing for your future.
                         Every day.(SM)
<PAGE>
 
Smith Barney
World Funds, Inc.

================================================================================

"For many years, U.S. investors had little reason to look beyond their shores.
Over time, the U.S. market has rewarded patient investors with handsome returns.
However, as the world becomes a truly global and interdependent market, it has
become more important than ever for investors to remain globally diversified."

                                                               Heath B. McLendon
                                                                        Chairman

================================================================================

The Emerging Markets Portfolio seeks long-term capital appreciation of its
assets through a portfolio invested primarily in securities of emerging country
issuers. The Portfolio follows an investment strategy involving broad geographic
diversification.

                                    NASDAQ SYMBOL
                                    -------------
           Class A                      SMMAX
           Class B                      SEMBX

The European Portfolio seeks long-term capital appreciation by investing
primarily in equity of issuers based in countries of Europe.

                                    NASDAQ SYMBOL
                                    -------------
           Class A                      SBEAX
           Class B                      SBEBX

The Pacific Portfolio's primary investment objective is long-term capital
appreciation. In seeking to achieve its objective, the Portfolio will invest
primarily in a diversified portfolio of equity securities of companies in
Australia, Hong Kong, India, Indonesia, Japan, Malaysia, New Zealand, Pakistan,
Papau-New Guinea, the People's Republic of China, the Philippines, Singapore,
South Korea, Sri Lanka, Taiwan and Thailand.

================================================================================
WHAT'S INSIDE
================================================================================
<TABLE>
<CAPTION>
<S>                                                                         <C>
A Message from the Chairman................................................  1

Emerging Markets Portfolio
   Portfolio Manager Commentary ...........................................  3
   Historical Performance .................................................  6
   Portfolio at a Glance ..................................................  8

European Portfolio
   Portfolio Manager Commentary ...........................................  9
   Historical Performance ................................................. 11
   Portfolio at a Glance .................................................. 13

Pacific Portfolio
   Portfolio Managers Commentary .......................................... 14
   Historical Performance ................................................. 17
   Portfolio at a Glance .................................................. 19

Schedules of Investments................................................... 20

Statements of Assets and Liabilities....................................... 27

Statements of Operations................................................... 28

Statements of Changes in Net Assets........................................ 29

Notes to Financial Statements ............................................. 31

Financial Highlights ...................................................... 39

Additional Shareholder Information......................................... 49
</TABLE>
<PAGE>
 
================================================================================
A Message from the Chairman
================================================================================

[PHOTO]
HEATH B. MCLENDON
Chairman


Dear Shareholder:

We are witnessing unparalleled prosperity in the United States today. As a
nation, we are more affluent than ever before, with much of that wealth created
in the last several decades. We are benefiting from a world that has been
largely at peace since the official end of the Cold War in 1989. We are reaping
the fruits of the restructuring of American businesses that took place in the
1970s and 1980s and we are benefiting from growth in worldwide demand for our
products.

This unparalleled U.S. prosperity is now being followed closely by Europe.
Companies there are undergoing restructuring similar to those in the U.S. of the
last two decades. More and more, the inefficiencies of state-controlled
institutions in Europe are being replaced with the expansion of a free and more
competitive marketplace. As we approach the dawn of a new millenium, these
positive developments have enabled both the U.S. and most of Europe to
experience the greatest period of peace and prosperity in generations.

The rapid rise of global markets in recent years has been helped in no small
measure by sophisticated monetary policy. In the U.S., policy-making bodies,
such as the Federal Reserve Board, coupled with technology-led productivity
gains, have controlled inflation to the extent that it is not a significant
factor in the U.S. economy today. This is also becoming true in Europe, where
the move to a common currency has forced both fiscal and monetary policies to
accomplish the same objective of bringing inflation and interest rates down
significantly in countries such as Italy and Spain. And as interest rates have
come down, investment funds have flowed into stock markets, which in turn have
helped propel dramatic gains in the U.S. and European financial markets.

Now, the developing world is taking its cue from the U.S. and Europe. Perhaps
the most meaningful example is Latin America, where after a very rocky period in
the last decade, monetary and fiscal policy reforms have stabilized its
economies and established a base for solid and sustainable future growth. For
example, Brazil, historically plagued by hyperinflation that reached as high as
2,500% per year, has now brought inflation down to manageable levels and plays a
larger role on the world stage today than ever before. Even lesser developed
countries in Eastern Europe and Africa are clearly demonstrating the positive
aspects of more freedom and greater competition.

The one area that is currently not enjoying growth and prosperity are parts of
Asia, particularly Japan, Southeast Asia and South Korea, where extraordinary
economic growth and expansion during the last several decades resulted in
overheated and overly extended financial conditions that are currently in the
painful process of readjustment.

For many years, U.S. investors had little reason to look beyond their own
shores. Over time, the U.S. market has rewarded patient investors with handsome
returns. However, as the world becomes a truly global and interdependent market,
it has become more important than ever for investors to remain globally
diversified. Despite the historic and outsized returns of the U.S. stock market
in recent years, the U.S. has yet to be the top-performing market in any one
year over the last two decades. We continue to believe that maintaining a
well-diversified portfolio with some international exposure is an essential key
to investing success.


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                 1
<PAGE>
 
In this report, you will find specific market commentary and performance
information for the Smith Barney World Funds, Inc. -- Emerging Markets
Portfolio, European Portfolio and Pacific Portfolio beginning on page three.

In closing, we thank you for your confidence in our investment approach and our
family of international funds. We look forward to continuing to help you take
advantage of the investment opportunities available in today's global economy.

Sincerely,


/s/ Heath B. McLendon

Heath B. McLendon
Chairman

May 14, 1998


- --------------------------------------------------------------------------------
2                                        1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
Emerging Markets Portfolio
================================================================================

Portfolio Manager

[PHOTO]
DONALD ELEFSON
Vice President


Donald Elefson joined the Smith Barney International Equity team in 1994.
Previously, he was at Merrill Lynch Asset Management, where he assisted in the
management of emerging markets mutual funds. Prior to Merrill Lynch, he held
positions in equity analysis with Cazenove Inc. and BHGF Securities in New York,
and with George Hauck and Sohn in Frankfurt, Germany. He is a Chartered
Financial Analyst, the past chairman of the New York Society of Securities
Analysts International Program committee and a member of the Institute of
Chartered Financial Analysts. Mr. Elefson holds a B.A. in Economics from the
University of Washington.

Performance Update

For the six months ended April 30, 1998, the Emerging Markets Portfolio
("Portfolio") returned -2.89% for Class A shares before the deduction of any
sales charges. In comparison, the Portfolio's benchmark, the Morgan Stanley
Capital International ("MSCI") Emerging Markets Free Index, returned 2.66% for
the same period. For performance information on the Portfolio's other classes,
please refer to page six.

Emerging Markets Overview

In October 1997, expectations were very low for emerging markets, due to the
prolonged nature of the Asian crisis. The International Monetary Fund ("IMF"),
the usual medic for ailing economies, not only had enormous tasks in front of it
(i.e., Thailand, Indonesia, and South Korea), it was also coming under political
pressure. In spite of this, programs were implemented and, as more details
became known, markets started to stabilize. Now, due to the magnitude of the
situation in Asia, many investors believe IMF programs are not enough and are no
longer a major positive force for struggling emerging markets.

Coinciding with economic deterioration in Asia (which spread to other emerging
regions like Eastern Europe and Latin America) the U.S. and European stock
markets delivered excellent performance. Prior to 1998, U.S. stock market
strength and resiliency kept money from finding a home in emerging markets. Now,
emerging markets must compete with European market resurgence. Competition from
other markets and continuation of the Asian crisis has caused asset levels in
funds that invest in emerging markets to shrink drastically in recent months.

Asia

While Asia suffered badly in the final months of 1997, it recovered strongly in
the first months of 1998. It seemed countries like Thailand and South Korea were
finally coming to grips with their problems. Thailand closed down weak finance
companies and South Korea was preparing for a multi-billion dollar international
bond issue. It seemed the Asian crisis was going to be of a shorter duration
than was experienced in Latin America in 1994 and 1995.

However, euphoria was short-lived, as deeper problems came to the surface. Due
to the rapid restructuring in China, its economy was expected to slow which
heightened fears of another round of currency devaluations. At the same time,
the extent of the banking crisis in Malaysia came to light. When the stock
market fell, collateral levels also fell, taking loan values with them, creating
a vicious cycle that in turn drove Malaysian financial markets down even
further.

Similarly, South Korea first raised investor hopes with its March 1998 bond
offering and then fell from grace as the true extent of bankruptcies started to
be known. The industrial infrastructure was built on heavily indebted companies
that, due to slow economic growth, were unable to service their debt.


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                 3
<PAGE>
 
While most of Asia remains mired in financial turmoil, Taiwan has so far been
the most resilient country in the region. Its currency devalued along with the
rest of the region, but not nearly as much. Taiwan has a very strong local
economy and stock market, where local investors account for approximately 50% to
60% of stock market trading volumes. Inflation in the Taiwanese economy has been
under control for some time and is now actually declining. Moreover, we think a
positive economic environment should allow Taiwan's central bank to lower
interest rates in the next twelve months. Companies added to the Portfolio
during the reporting period are China Trust, a quality Taiwanese bank that
should benefit from lower interest rates, and Fubon Insurance, the leading
insurance company in Taiwan. We believe that both of these companies have strong
franchises and should see strong future earnings growth as interest rates
decline.

Latin America

Brazil continued to be the focus of investor attention at the end of 1997 and
the beginning of 1998. A strong monetary policy, low inflation and fiscal reform
have been the underpinnings of Brazil's economic recovery. It is this dependence
on monetary policy that forced the Brazilian central bank to almost double
interest rates in the wake of the Asian crisis. In order to add more control to
inflation, President Cardoso is pursuing reform of the welfare, subsidy and
pension system. Progress on the necessary reforms is gaining speed and we
believe they will take place in 1998. An important part of fiscal recovery is
the privatization program, mainly of electrical utilities and telecommunication
companies. In our view, this privatization should lead to more efficient
operating structures and enhanced earnings. The Portfolio continues to hold
electrical utilities and telecommunication stocks in Brazil. Since the last
reporting, we maintained our Brazilian positions and our exposure to this
country increased from roughly 12% to nearly 18% of assets.

Since its surprisingly fast progress toward economic recovery, Mexico has become
an emerging market success story. However, we decreased our exposure in Mexico
from approximately 16% to roughly 12% of assets during the reporting period. In
general, we sold stocks we believed to be in danger of not meeting first quarter
earnings estimates. For example, we sold Coca-Cola Femsa and Industrias Bachoco,
a chicken processor, when first quarter earnings estimates seemed too
optimistic. Exposure to the improving economy was maintained through Grupo
Televisa, Mexico's leading television and media company, and Grupo Banamex, a
leading Mexican bank. While Mexico appears to be on the road to recovery in
1998, we believe that careful stock selection in that country will be crucial to
good investment performance going forward.

Europe/Africa

The most recent country added to the portfolio was South Africa. In our opinion,
South Africa has long been overlooked by emerging market investors, in spite of
the fact that it is one of the largest country exposures in the MSCI Index
(approximately 12%). In the transition to new government, the economy has been
hamstrung by high interest rates. However, due to strong oversight from South
Africa's central bank, interest rates seem poised to go down. At the same time,
the largest insurance companies are expected to be demutualized, which means
large amounts of money will be transferred to consumers. In order to benefit
from these trends, the Portfolio has invested in two South African financial
companies: Liberty Life, a life insurer, and Nedcor, a commercial bank. Both
companies have strong market positions and should benefit from increased
liquidity spurred by lower interest rates and demutualization of insurance
companies.

In Central Europe, we continue to believe that Poland has the brightest
prospects in the region. Poland is proving to be very disciplined in the area of
financial management. Its currency has strengthened as confidence in Poland's
abilities to manage the economy grows. In 1998, Poland's policy-makers should
liberalize their markets, making it easier for foreign investors to invest, and
might possibly privatize their telecommunications company, TPSA. Elektrim, a
Polish cable and electrical equipment company, remains the Portfolio's second
largest holding. Not only does the stock present growth opportunities, as Poland
upgrades 


- --------------------------------------------------------------------------------
4                                        1998 Semi-Annual Report to Shareholders
<PAGE>
 
its infrastructure, but Elektrim also has a large stake in a cellular
telephone operator.

After a strong year in 1997, Russia has faltered from an investment performance
standpoint. In our judgement, key reforms in tax collection must be implemented
to keep the market and economy on a growth path. President Yeltsin recently
reshuffled his entire cabinet and did not receive full-fledged support. Given
political uncertainty at a time when economic reforms are so crucial, and with
elections slated for 1999 and 2000, the outlook for Russia remains uncertain.
While problems exist, the Portfolio continues to hold Russian stocks, because we
believe they offer good value. Two of the largest holdings are in power
generation: Mosenergo, the power utility in Moscow, and Irkutsenergo, the
utility in Irkuts region that is expected to have future opportunities in China.
We expect both should increase earnings by controlling their cash and collection
rates. (Many companies in Russia are unable to collect all the money due them.)

Investment Strategy

During this period of emerging market turmoil, the Portfolio has remained
diversified by country and region. No single market has made up more than 20% of
the Portfolio's assets and 21 countries are currently represented in the
Portfolio. We believe that allocating assets across a wide range of countries
and regions has kept the Portfolio away from too much exposure to trouble spots,
such as the hard-hit countries of Asia.

At the end of October 1997, the Portfolio started building positions in markets
that appeared to be showing fundamentals expected to improve in the next 12
months. We maintained or increased our exposure to Brazil, Mexico, Turkey and
China. Brazil has been pursuing vigorous economic reforms that should keep
inflation low; Mexico seemed poised to experience a resurgence of economic
growth; Turkey, was taking measures to bring inflation down from previous levels
of near 100%; and China laid out a reform plan to rehabilitate its industrial
infrastructure.

We also focused on purchasing undervalued large-capitalization stocks,
especially those of telecommunications companies with strong growth prospects
and that we believed to be attractively priced. Prior to the end of 1997, the
Portfolio had limited exposure to telecommunications. But by the end of April
1998, telecommunications constituted 16% of the Portfolio. During the reporting
period, we added Telefonica Argentina, an Argentine company; CTC, the Chilean
telecommunications provider; VSNL, an Indian long distance provider; Telekom
Malaysia, the leading Malaysian telecommunications company; Telefonica de Peru,
the Peruvian operator; Digitel Telecomm, a niche-oriented Philippine operator;
and Advanced Information Systems, a Thai cellular provider. We believe that
these companies offer solid future growth prospects. They are leaders in their
respective markets, the attractiveness on an enterprise value versus earnings
before interest, tax, dividend and amortization basis and should play an
important role in an emerging market recovery.

Latin America remains the largest regional exposure of the Portfolio at 39%. In
our view, Brazil and Mexico have internal dynamics that should allow them to
stand on their own during 1998. Ongoing reforms, declining inflation and renewed
economic growth in Latin America should provide a good defense against the
further spread of the effects of the Asian contagion.

Outlook

We expect the next six months will continue to be a period of adjustment in the
emerging markets. But in the midst of all this, we will maintain broad
diversification and focus on exposure to stocks that will benefit early from the
turnaround in sentiment towards the emerging markets. As it is impossible to
time this point precisely, we continue to be fully invested.

Thank you for your investment in the Smith Barney World Funds, Inc. -- Emerging
Markets Portfolio.


/s/ Donald Elefson

Donald Elefson
Vice President

May 25, 1998


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                 5
<PAGE>
 
================================================================================
Historical Performance -- Class A Shares
================================================================================
<TABLE>
<CAPTION>
                                     Net Asset Value
                                  ---------------------
                                  Beginning      End        Income     Total
Period Ended                      of Period   of Period    Dividends  Returns(1)
================================================================================
<S>                                 <C>         <C>         <C>       <C>     
4/30/98                             $12.45      $12.09      $0.00     (2.89)%+
- --------------------------------------------------------------------------------
10/31/97                             12.08       12.45       0.00      3.06
- --------------------------------------------------------------------------------
10/31/96                             11.06       12.08       0.00      9.22
- --------------------------------------------------------------------------------
Inception*-- 10/31/95                12.00       11.06       0.00     (7.83)+
================================================================================
  Total                                                     $0.00
================================================================================
</TABLE>

================================================================================
Historical Performance -- Class B Shares
================================================================================
<TABLE>
<CAPTION>
                                     Net Asset Value
                                  ---------------------
                                  Beginning      End        Income     Total
Period Ended                      of Period   of Period    Dividends  Returns(1)
================================================================================
<S>                                 <C>         <C>         <C>       <C>     
4/30/98                             $12.21      $11.81      $0.00     (3.28)%+
- --------------------------------------------------------------------------------
10/31/97                             11.95       12.21       0.00      2.18
- --------------------------------------------------------------------------------
10/31/96                             11.02       11.95       0.00      8.44
- --------------------------------------------------------------------------------
Inception*-- 10/31/95                12.00       11.02       0.00     (8.17)+
================================================================================
  Total                                                     $0.00
================================================================================
</TABLE>

================================================================================
Historical Performance -- Class C Shares
================================================================================
<TABLE>
<CAPTION>
                                     Net Asset Value
                                  ---------------------
                                  Beginning      End        Income     Total
Period Ended                      of Period   of Period    Dividends  Returns(1)
================================================================================
<S>                                 <C>         <C>         <C>       <C>     
4/30/98                             $12.22      $11.82      $0.00     (3.27)%+
- --------------------------------------------------------------------------------
10/31/97                             11.95       12.22       0.00      2.26
- --------------------------------------------------------------------------------
10/31/96                             11.02       11.95       0.00      8.44
- --------------------------------------------------------------------------------
Inception*-- 10/31/95                12.00       11.02       0.00     (8.17)+
================================================================================
  Total                                                     $0.00
================================================================================
</TABLE>

================================================================================
Historical Performance -- Class Y Shares
================================================================================
<TABLE>
<CAPTION>
                                     Net Asset Value
                                  ---------------------
                                  Beginning      End        Income     Total
Period Ended                      of Period   of Period    Dividends  Returns(1)
================================================================================
<S>                                 <C>         <C>         <C>       <C>     
Inception*-- 4/30/98                $12.16      $12.10      $0.00     (0.49)%+
================================================================================
</TABLE>

It is the Fund's policy to distribute dividends and capital gains, if any,
annually.


- --------------------------------------------------------------------------------
6                                        1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
Average Annual Total Return
================================================================================
<TABLE>
<CAPTION>
                                               Without Sales Charge(1)
                                       -----------------------------------------
                                       Class A    Class B    Class C   Class Y
================================================================================
<S>                                    <C>        <C>        <C>        <C>
Six Months Ended 4/30/98+               (2.89)%    (3.28)%    (3.27)%     --
- --------------------------------------------------------------------------------
Year Ended 4/30/98                     (15.16)    (15.82)    (15.81)      --
- --------------------------------------------------------------------------------
Inception* through 4/30/98               0.25      (0.54)     (0.51)    (0.49)%+
================================================================================
<CAPTION>
                                               Without Sales Charge(1)
                                       -----------------------------------------
                                       Class A    Class B    Class C   Class Y
================================================================================
<S>                                    <C>        <C>        <C>        <C>
Six Months Ended 4/30/98+               (7.78)%    (8.11)%    (4.24)%     --
- --------------------------------------------------------------------------------
Year Ended 4/30/98                     (19.40)    (20.03)    (16.65)      --
- --------------------------------------------------------------------------------
Inception* through 4/30/98              (1.46)     (1.55)     (0.51)    (0.49)%+
================================================================================
</TABLE>

================================================================================
Cumulative Total Return
================================================================================
<TABLE>
<CAPTION>
                                                   Without Sales Charge(1)
================================================================================
<S>                                                      <C>  
Class A (Inception* through 4/30/98)                      0.75%
- --------------------------------------------------------------------------------
Class B (Inception* through 4/30/98)                     (1.58)
- --------------------------------------------------------------------------------
Class C (Inception* through 4/30/98)                     (1.50)
- --------------------------------------------------------------------------------
Class Y (Inception* through 4/30/98)                     (0.49)+
================================================================================
</TABLE>

(1)  Assumes reinvestment of all dividends and capital gain distributions, if
     any, at net asset value and does not reflect the deduction of the
     applicable sales charges with respect to Class A shares or the applicable
     contingent deferred sales charge ("CDSC") with respect to Class B and C
     shares.
(2)  Assumes reinvestment of all dividends and capital gain distributions, if
     any, at net asset value. In addition, Class A shares reflect the deduction
     of the maximum initial sales charge of 5.00%; Class B shares reflect the
     deduction of a 5.00% CDSC, which applies if shares are redeemed within one
     year from initial purchase. Thereafter, this CDSC declines by 1.00% per
     year until no CDSC is incurred. Class C shares reflect the deduction of a
     1.00% CDSC, which applies if shares are redeemed within the first year of
     purchase.
+    Total return is not annualized, as it may not be representative of the
     total return for the year.
*    The inception date for Class A, B and C shares is May 12, 1995 and the
     inception date for Class Y shares is March 10, 1998.


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                 7
<PAGE>
 
================================================================================
Emerging Markets Portfolio at a Glance (unaudited)
================================================================================
Growth of $10,000 Invested in Class A, B and C Shares of the Emerging Markets
Portfolio vs. MSCI Free World Market Index and MSCI Emerging Markets Free Index+
- --------------------------------------------------------------------------------

 [THE FOLLOWING TABLE WAS REPRESENTED AS A LINE CHART IN THE PRINTED MATERIAL.]

<TABLE>
<CAPTION>
                              May 1995--April 1998

                      Emerging Markets       Emerging Markets       Emerging Markets                 
                         Portfolio --           Portfolio --           Portfolio --        MSCI Free World   MSCI Emerging Markets
                       Class A Shares         Class B Shares         Class C Shares         Market Index++        Free Index++
                       --------------         --------------         --------------         --------------        ------------
<S>                       <C>                     <C>                   <C>                    <C>                   <C>    
May 12, 1995              $ 9,501                 $10,000               $10,000                $10,000               $10,000
Oct 1995                  $ 8,757                 $ 8,724               $ 9,092                $10,497               $ 9,453
Apr 1996                  $ 9,850                 $ 9,800               $10,167                $11,928               $10,600
Oct 1996                  $ 9,565                 $ 9,560               $ 9,958                $12,264               $ 9,861
Apr 1997                  $11,283                 $11,292               $11,700                $13,146               $10,837
Oct 31, 1997              $10,375                 $10,175               $10,183                $14,098               $ 8,844
Apr 1998                  $ 9,572                 $ 9,546               $ 9,850                $16,645               $ 9,079
</TABLE>

+    Hypothetical illustration of $10,000 invested in Class A, B and C shares at
     inception on May 12, 1995, assuming deduction of the maximum 5.00% sales
     charge at the time of investment for Class A shares, the deduction of the
     maximum 5.00% CDSC for Class B shares (which decreases by 1.00% each year)
     and the deduction of the 1.00% CDSC for Class C shares. It also assumes
     reinvestment of dividends and capital gains, if any, at net asset value
     through April 30, 1998. The Morgan Stanley Capital International ("MSCI")
     Free World Market Index measures performance for a diverse range of global
     stock markets, including the United States, Canada, Europe, Australia, New
     Zealand and the Far East and excludes shares which are not readily
     purchased by non-local investors. The MSCI Emerging Markets Free Index
     consists of emerging market companies with an average size of $800 million,
     the index measures performance of emerging markets in South America, South
     Africa, Asia and Eastern Europe. Each index is unmanaged and is not subject
     to the same management and trading expenses as a mutual fund.

     All figures represent past performance and are not a guarantee of future
     results. Investment returns and principal value will fluctuate, and
     redemption values may be more or less than the original cost. No adjustment
     has been made for shareholder tax liability on dividends or capital gains.

++   It is the opinion of management that the MSCI Emerging Markets Free Index
     is a more appropriate broad-based benchmark for the market in which the
     Emerging Markets Portfolio invests than the MSCI Free World Market Index.
     In future reporting, the MSCI Emerging Markets Free Index will be used as a
     basis of comparison of total return performance rather than the MSCI Free
     World Market Index.


<TABLE>
<CAPTION>
Top Ten Holdings*                                           As of April 30, 1998
- --------------------------------------------------------------------------------
<S>                                                                         <C> 
  1. Telecomunicacoes Brasileiras SA ADR                                    3.1%
- --------------------------------------------------------------------------------
  2. Elektrim Spolka Akcyjna SA                                             2.7
- --------------------------------------------------------------------------------
  3. Liberty Life Association of Africa Ltd.                                2.5
- --------------------------------------------------------------------------------
  4. Grupo Televisa SA GDR                                                  2.4
- --------------------------------------------------------------------------------
  5. Cia de Eletricidade do Estado do Rio de Janeiro                        2.4
- --------------------------------------------------------------------------------
  6. Telefonica de Argentina SA ADR                                         2.4
- --------------------------------------------------------------------------------
  7. Metro Cash and Carry Ltd.                                              2.3
- --------------------------------------------------------------------------------
  8. Nedcor Ltd.                                                            2.3
- --------------------------------------------------------------------------------
  9. Asia Pulp & Paper Co. Ltd. ADR                                         2.2
- --------------------------------------------------------------------------------
 10. Grupo Financiero Banamex Accival SA de CV
     (Banacci), Class B Shares                                              2.2
- --------------------------------------------------------------------------------
</TABLE>

*    As a percentage of total investments.

  [THE FOLLOWING TABLE WAS REPRESENTED AS A PIE CHART IN THE PRINTED MATERIAL.]

<TABLE>
<CAPTION>
Investment Allocation as of April 30, 1998*
- --------------------------------------------------------------------------------
<S>                               <C> 
Europe                             9.2%
Africa                             8.8%
Asia\Pacific                      40.2%
Latin America                     41.8%
</TABLE>

*    As a percentage of total investments.


- --------------------------------------------------------------------------------
8                                        1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
European Portfolio
================================================================================

Portfolio Manager

[PHOTO]
REIN W. VAN DER DOES
Vice President

Rein W. van der Does began his career with Drexel Burnham Lambert in 1968 as a
domestic research analyst. In 1975, he joined Drexel's International Research
Department and was appointed Director of International Research and Head of
Portfolio Strategy in 1985. He moved with the International Equity team to Smith
Barney in 1990. He is a member of the New York State Association for
International Investment and a member of the New York Society of Security
Analysts. Mr. van der Does was awarded a doctorate in Economics from the Dutch
Economic University in Rotterdam.

Performance Update

The European Portfolio ("Portfolio") posted a total return of 23.86% for Class A
shares, before the deduction of any sales charges, for the six months ended
April 30, 1998. In comparison, the Portfolio's benchmark, the Morgan Stanley
Capital International ("MSCI") European Market Index, had a total return of
29.26%. For performance information on the Portfolio's other classes, please
refer to page 11. 

We are pleased to announce that your Portfolio was awarded a four-star rating
from Morningstar, Inc.* overall and for the three-year period ended March 31,
1998 for Class A, B and C shares. Past performance is not a guarantee of future
results.

During the reporting period, investors in European stock markets continued to
favor larger, better-known companies over mid-sized companies like the ones
emphasized in the Portfolio. In 1997, investor preference for big company shares
penalized the Portfolio's performance somewhat. However, we believe that there
is growing evidence that the performance of European stock markets is beginning
to broaden and this has helped boost the Portfolio's performance. In fact, in
the first four months of 1998, the Portfolio appreciated roughly 29%.

European Markets Update 

European stock markets have soared in the past six months, fueled by heavy
corporate restructuring and the ongoing drive toward economic and monetary
unification. In particular, the smaller economies of Southern Europe posted
blistering market returns. The stock markets of Portugal, Italy and Spain all
returned more than 40% in the first quarter of this year.

The European Union ("EU"), with its aim of integrating the major European
economies and their currencies, took center stage in nearly all political and
economic discussions during the reporting period. On March 25, 1998, the
European Commission and European Monetary Institute (the forerunner of a
pan-European central bank) announced eleven countries that will be included in
the first round of membership in the EU, which will commence on January 1, 1999.
Those countries are: Germany, France, the Netherlands, Belgium, Luxembourg,
Austria, Finland, Ireland, Italy, Spain and Portugal. Other countries, most
notably the United Kingdom, have qualified for membership, but have declined to
participate in the first round of EU membership.

One of the chief criteria of membership in the EU is maintaining a budget
deficit of roughly 3% of the prospective country's Gross Domestic Product

- ----------
*    Morningstar, Inc. proprietary ratings reflect historical risk-adjusted
     performance through March 31, 1998. The ratings are subject to change every
     month. Morningstar, Inc. ratings are calculated from the Portfolio's
     three-year returns (including the effects of all fees and sales charges) in
     excess of 90-day T-bill returns and a risk factor that reflects fund
     performance below 90-day T-bill returns. Different classes within a fund
     share a common portfolio of securities. The top-performing ten percent of
     the funds in a rating category receive five stars; the next 22.5% of the
     funds receive four stars; the middle 35% receive three stars; the next
     22.5% receive two stars; and the bottom 10% receive one star. The Portfolio
     was rated among 722 international equity funds.


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                 9
<PAGE>
 
("GDP"). Just a few years ago, this budget deficit target seemed impossibly out
of reach for many European countries used to carrying budget deficits three to
four times the 3% level. Today, as governments have implemented fiscal reforms,
interest rates have fallen across Europe and, in our opinion, have been largely
responsible for the Europe's recent economic upturn.

Another important development leading to Europe's recent economic successes has
been the rise of a true equity culture. As part of the effort to lower spending,
a number of governments are transforming key industries from state-controlled to
privately held companies. In several countries, government-sponsored pension and
retirement plans are also undergoing privatization. Moreover, many European
companies are increasingly focusing on rewarding their shareholders. Similar to
the U.S. in the 1970s and 1980s, European corporations have been undertaking
mergers and acquisitions at a feverish pace. The total value of completed
acquisitions of public companies in Europe rose nearly 37% in 1997. That trend
seems to be only accelerating. In our view, this process of corporate
restructuring in Europe is just beginning and should help drive profits in the
near future.

Investment Strategy

In selecting investments for the Portfolio, we continue to use a "bottom-up"
approach, evaluating individual companies rather than investment trends. While
economic cycles are important when evaluating a company's outlook, we generally
search for promising European companies with excellent growth prospects
regardless of the macroeconomic conditions in Europe. In our opinion, this
approach should provide investors with competitive returns over the long term.

During the reporting period, we found a number of attractive investment
opportunities. For example, we added to our position in Nokia, the Finnish
cellular phone giant, after uncertainties in Asia cast a pall over the industry.
We believe that Nokia's prospects remain bright. At the close of the reporting
period, Nokia remained the Portfolio's top holding representing 6.4% of the
Portfolio's total stocks held. Other significant additions to the Portfolio
include the Ordina, NV and SEMA, PLC.

European Markets Outlook

In our opinion, investing in Europe should be exciting and rewarding in the next
few years due to:

o    The creation of the European Union in January, 1999;

o    The creation of a single currency, the Euro;

o    The creation of an equity culture through relatively inexpensive
     privatization offerings; and

o    The discovery by European companies of the concept of "enhancing
     shareholder value."

Thank you for your investment in the Smith Barney World Funds, Inc. -- European
Portfolio.

/s/Rein W. van der Does

Rein W. van der Does
Vice President

May 15, 1998


- --------------------------------------------------------------------------------
10                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
Historical Performance -- Class A Shares
================================================================================
<TABLE>
<CAPTION>
                                          Net Asset Value
                                          ---------------
                                   Beginning              End                 Income           Capital Gain           Total
Period Ended                       of Period           of Period             Dividends         Distributions          Returns(1)
====================================================================================================================================
<S>                                 <C>                  <C>                  <C>                <C>                   <C>    
4/30/98                             $18.23               $22.07               $0.00              $0.39                 23.86%+
- ------------------------------------------------------------------------------------------------------------------------------------
10/31/97                             17.25                18.23                0.00               1.16                 12.88
- ------------------------------------------------------------------------------------------------------------------------------------
10/31/96                             14.67                17.25                0.09               0.04                 18.65
- ------------------------------------------------------------------------------------------------------------------------------------
10/31/95                             12.88                14.67                0.00               0.00                 13.90
- ------------------------------------------------------------------------------------------------------------------------------------
Inception*-- 10/31/94                12.50                12.88                0.00               0.00                  3.04+
====================================================================================================================================
  Total                                                                       $0.09              $1.59
====================================================================================================================================
</TABLE>

================================================================================
Historical Performance -- Class B Shares
================================================================================
<TABLE>
<CAPTION>
                                          Net Asset Value
                                          ---------------
                                   Beginning              End                 Income           Capital Gain           Total
Period Ended                       of Period           of Period             Dividends         Distributions          Returns(1)
====================================================================================================================================
<S>                                 <C>                  <C>                   <C>                <C>                  <C>    
4/30/98                             $17.92               $21.60                $0.00              $0.39                23.38%+
- ------------------------------------------------------------------------------------------------------------------------------------
10/31/97                             17.09                17.92                 0.00               1.16                12.08
- ------------------------------------------------------------------------------------------------------------------------------------
10/31/96                             14.56                17.09                 0.00               0.04                17.72
- ------------------------------------------------------------------------------------------------------------------------------------
Inception*-- 10/31/95                12.62                14.56                 0.00               0.00                15.37+
====================================================================================================================================
  Total                                                                        $0.00              $1.59          
====================================================================================================================================
</TABLE>

================================================================================
Historical Performance -- Class C Shares
================================================================================
<TABLE>
<CAPTION>
                                          Net Asset Value
                                          ---------------
                                   Beginning              End                 Income           Capital Gain           Total
Period Ended                       of Period           of Period             Dividends         Distributions          Returns(1)
====================================================================================================================================
<S>                                 <C>                  <C>                   <C>                <C>                  <C>    
4/30/98                             $17.86               $21.55                $0.00              $0.39                23.51%+
- ------------------------------------------------------------------------------------------------------------------------------------
10/31/97                             17.04                17.86                 0.00               1.16                12.06
- ------------------------------------------------------------------------------------------------------------------------------------
10/31/96                             14.51                17.04                 0.00               0.04                17.78
- ------------------------------------------------------------------------------------------------------------------------------------
10/31/95                             12.83                14.51                 0.00               0.00                13.09
- ------------------------------------------------------------------------------------------------------------------------------------
Inception*-- 10/31/94                12.48                12.83                 0.00               0.00                 2.80+
====================================================================================================================================
  Total                                                                        $0.00              $1.59
====================================================================================================================================
</TABLE>

It is the Fund's policy to distribute dividends and capital gains, if any,
annually.


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                11
<PAGE>
 
================================================================================
Average Annual Total Return
================================================================================
<TABLE>
<CAPTION>
                                                    Without Sales Charge(1)
                                               --------------------------------
                                               Class A      Class B      Class C
================================================================================
<S>                                             <C>          <C>          <C>   
Six Months Ended 4/30/98+                       23.86%       23.38%       23.51%
- --------------------------------------------------------------------------------
Year Ended 4/30/98                              29.92        28.99        29.08
- --------------------------------------------------------------------------------
Inception* through 4/30/98                      17.07        19.86        16.41
================================================================================
<CAPTION>
                                                    Without Sales Charge(1)
                                               --------------------------------
                                               Class A      Class B      Class C
================================================================================
<S>                                             <C>          <C>          <C>   
Six Months Ended 4/30/98+                       17.67%       18.38%       22.51%
- --------------------------------------------------------------------------------
Year Ended 4/30/98                              23.46        23.99        28.08
- --------------------------------------------------------------------------------
Inception* through 4/30/98                      15.66        19.49        16.41
================================================================================
</TABLE>

================================================================================
Cumulative Total Return
================================================================================
<TABLE>
<CAPTION>
                                                    Without Sales Charge(1)
================================================================================
<S>                                                          <C>  
Class A (Inception* through 4/30/98)                         94.70%
- --------------------------------------------------------------------------------
Class B (Inception* through 4/30/98)                         87.81
- --------------------------------------------------------------------------------
Class C (Inception* through 4/30/98)                         89.53
================================================================================
</TABLE>

(1)  Assumes reinvestment of all dividends and capital gain distributions, if
     any, at net asset value and does not reflect the deduction of the
     applicable sales charges with respect to Class A shares or the applicable
     contingent deferred sales charges ("CDSC") with respect to Class B and C
     shares.

(2)  Assumes reinvestment of all dividends and capital gain distributions, if
     any, at net asset value. In addition, Class A shares reflect the deduction
     of the maximum initial sales charge of 5.00%; Class B shares reflect the
     deduction of a 5.00% CDSC, which applies if shares are redeemed within one
     year from initial purchase. Thereafter, this CDSC declines by 1.00% per
     year until no CDSC is incurred. Class C shares reflect the deduction of a
     1.00% CDSC, which applies if shares are redeemed within the first year of
     purchase.

+    Total return is not annualized, as it may not be representative of the
     total return for the year.

*    Inception dates for Class A, B and C shares are February 7, 1994, November
     7, 1994 and February 14, 1994, respectively.


- --------------------------------------------------------------------------------
12                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
European Portfolio at a Glance (unaudited)
================================================================================
Growth of $10,000 Invested in Class A Shares of the
European Portfolio vs. MSCI European Market Index+
- --------------------------------------------------------------------------------

 [THE FOLLOWING TABLE WAS REPRESENTED AS A LINE CHART IN THE PRINTED MATERIAL.]

<TABLE>
<CAPTION>
                            February 1994--April 1998

                         European           MSCI European
                         Portfolio          Market Index
                         ---------          ------------
<S>                       <C>                 <C>    
Feb 7 1994                $ 9,549             $10,000
Apr 1994                  $ 9,481             $ 9,761
Oct 1994                  $ 9,840             $10,064
Apr 1995                  $10,298             $10,664
Oct 1995                  $11,207             $11,393
Apr 1996                  $12,550             $12,366
Oct 1996                  $13,298             $13,383
Apr 1997                  $14,311             $14,959
Oct 31 1997               $15,010             $16,861
Apr 1998                  $18,592             $21,795
</TABLE>

+    Hypothetical illustration of $10,000 invested in Class A shares at
     inception on February 7, 1994, assuming deduction of the maximum 4.50%
     sales charge at the time of investment and the reinvestment of dividends
     and capital gains, if any, at net asset value through April 30, 1998. The
     Morgan Stanley Capital International ("MSCI") European Market Index is a
     composite portfolio consisting of equity total returns for Europe. The
     index is unmanaged and is not subject to the same management and trading
     expenses as a mutual fund. The performance of the Portfolio's other classes
     may be greater or less than the Class A shares' performance indicated on
     this chart, depending on whether greater or lesser sales charges and fees
     were incurred by shareholders investing in the other classes.

     All figures represent past performance and are not a guarantee of future
     results. Investment returns and principal value will fluctuate, and
     redemption values may be more or less than the original cost. No adjustment
     has been made for shareholder tax liability on dividends or capital gains.

<TABLE>    
<CAPTION>
Top Ten Holdings*                                           As of April 30, 1998
- --------------------------------------------------------------------------------
<S>                                                                         <C> 
 1. Nokia OYJ, Class A Shares                                               6.4%
- --------------------------------------------------------------------------------
 2. Tomra Systems ASA                                                       6.2
- --------------------------------------------------------------------------------
 3. Mannesmann AG                                                           6.1
- --------------------------------------------------------------------------------
 4. Fugro NV                                                                5.3
- --------------------------------------------------------------------------------
 5. Novartis AG                                                             5.3
- --------------------------------------------------------------------------------
 6. CMG PLC                                                                 5.1
- --------------------------------------------------------------------------------
 7. Samas Groep NV CVA                                                      4.9
- --------------------------------------------------------------------------------
 8. Independent Newspapers PLC                                              4.2
- --------------------------------------------------------------------------------
 9. Compass Group PLC                                                       4.0
- --------------------------------------------------------------------------------
10. Hunter Douglas NV                                                       3.9
- --------------------------------------------------------------------------------
</TABLE>

  [THE FOLLOWING TABLE WAS REPRESENTED AS A PIE CHART IN THE PRINTED MATERIAL.]

<TABLE>
<CAPTION>
Investment Allocation as of April 30, 1998**
- --------------------------------------------------------------------------------
<S>                                <C> 
Norway                              5.7%
France                             16.7%
Germany                             9.7%
Netherlands                        21.1%
United Kingdom                     10.9%
Finland                             5.9%
Spain                               5.6%
Cash Equivalents                    8.3%
Other                              16.1%
</TABLE>

*    As a percentage of total stocks.

**   As a percentage of total investments.


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                13
<PAGE>
 
================================================================================
Pacific Portfolio
================================================================================

Portfolio Managers

[PHOTO]
SCOTT E. KALB
Vice President

Scott E. Kalb joined the Smith Barney International Equity Team in 1995. He has
11 years of experience in research and was formerly Head of International Equity
Research at Smith Barney from 1990 to 1995, where he was responsible for the
coverage of equities in emerging markets. Prior to joining Smith Barney, Mr.
Kalb served as the First Vice President of Corporate Finance and Vice President
of Equity Research for Drexel Burnham Lambert. Previously, he worked at James
Capel and served for two years as economic consultant for the Ministry of
Finance in South Korea. Mr. Kalb lived in Asia for ten years and in London for
two, speaks Korean fluently and some Japanese. Mr. Kalb holds a B.A. from
Oberlin College and an M.A. in Economics from Harvard University.

[PHOTO]
David Ishibashi
Vice President

David Ishibashi joined Smith Barney International Equity team as a Vice
President and Portfolio Manager in 1993. Mr. Ishibashi came to Smith Barney from
S.G. Warburg, where he was responsible for Japanese equities and headed the
Japan desk. Previously, he was at Baring Securities, Inc., where he was
responsible for Japan and Southeast Asia, opening and operating Baring's first
West Coast office. He also spent four years at Nomura Securities International
brokering Japanese securities and establishing the Nomura Finance Collection at
the Crocker School of Business and Business Library. Prior to that, he served as
a financial analyst at Rockwell International. Mr. Ishibashi has a B.A. from
California State College at Los Angeles and attended the post- graduate studies
program in Tokyo at the Inter-Cultural Japanese Language Institute.

Performance Update

During the six-month period ended April 30, 1998, the Pacific Portfolio
("Portfolio") Class A shares declined by 9.93%, performing in line with the
benchmark Morgan Stanley Capital International (MSCI) All Country Asia Pacific
Index, which was down by 9.20% for the same period. (The MSCI All Country Asia
Pacific Index, comprising equities in Australia, New Zealand, Japan and the Far
East, is a common benchmark against which the performance of Asian funds is
measured.) During the first quarter of the fiscal year (the period of November
1997 to January 1998), the Portfolio underperformed the benchmark because of its
underweighteded position in Japanese equities. For performance information on
the Portfolio's other classes, please refer to page 17.

So far in the second quarter, the situation has reversed, as Asian markets
(excluding Japan) rebounded sharply, helping the Portfolio to catch up with the
benchmark. We believe the worst of the financial meltdown in Asia is over and
that adjustments currently underway will lead to economic recovery for most
countries over the next 12 to 18 months.

Asian Market Review--The Meltdown is Over and Markets Rally in Relief
Asia Excluding Japan

After suffering a free fall during the second half of 1997, Asian stock prices
continued to slide in January, but finally hit bottom in February and rebounded
sharply. This rebound, while good news for battered Asian investors, was not so
much an indication of bright prospects for Asian economies as it was a
relief-rally that the worst may be over. Positive political and economic
developments continued into March and investors felt comfortable buying oversold
Asian blue chips.


- --------------------------------------------------------------------------------
14                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
Several events triggered this turnaround in market sentiment. First, initiatives
taken by the South Korean and Thai governments in conjunction with the
International Monetary Fund ("IMF") brought hope that necessary structural
reforms would finally begin. The announcement of the South Korean bank deal in
late January was an especially important signal. (The South Korean government
announced that it agreed to guarantee the loans of local banks and issue bonds,
in exchange for foreign commercial banks agreeing to rollover short-term loans
to the banking system). Another important, but less-publicized, factor was
China's decision not to devalue the renmenbi, easing fears of another round of
damaging currency falls in the region. Finally, the lack of runaway inflation
had a stabilizing effect, reducing the need for high interest rates and keeping
currencies at attractive levels in real terms.

Japan

The Japanese stock market was out of sync with the rest of Asia, rising 12% in
U.S. dollar terms during January while regional markets fell. Investors were
hopeful that the thirty trillion yen financial package (about $250-$300 billion)
proposed by the government to provide better support for depositors, shore-up
the banking system and ease capital adequacy controls, would finally get the
Japanese economy back on track. However, government unwillingness to combine
this package with tax cuts, deregulation and financial restructuring, tarnished
the long-term outlook for growth in the Japanese economy and caused investors to
lose confidence. The stock market was flat in February and fell by 7% in March,
just when the rest of Asia was rallying strongly.

Outlook for Second Half--The Crash Is Over, Now Comes the Hard Part....

We believe that the worst of Asia's crisis is probably over, but the pain of
adjustment is only beginning to be felt. Recessions are unfolding across Asia,
with Indonesia (1998 GDP estimated to decline by 10%), Korea and Thailand (-4%
each) hit the hardest by last year's contagion. Malaysia, despite government
efforts, is now expected to fall into recession and the Philippines is
struggling to maintain growth at just above zero. Hong Kong and Singapore will
be hit harder than expected, affected by the sharp slowdown in neighboring
countries, and China will not meet its 8% growth target. Australia and New
Zealand escaped the financial turmoil suffered by regional neighbors, but their
growth prospects will be undermined by slower trade.

The short-term outlook for Japan also is poor, with the economy increasingly
looking like it's headed into recession. Japan's long period of economic
stagnation and recent, ineffective attempts at boosting the economy indicate
that a sustained recovery cannot be achieved without deep structural and,
especially, financial reform. This requires strong political will and the
ability to suffer through painful reforms in order to emerge with a clean,
efficient and reinvigorated economy. The Japanese government has preferred to
maintain the status quo, using low interest rates and other funds to stave off a
meltdown, but this has not solved the country's structural problems. This has
important implications for the rest of Asia. First, a weak Japanese economy and
yen pose a double threat to Asian economies, since Japan is a major export
destination as well as the home of competitors and investors. Second, other
countries would do well to avoid the Japanese model and grasp the thorny nettles
of reform as the best way out of recession. Indeed, they will need to show
progress in real reform in order to attract the capital required for
restructuring.

Portfolio Changes

We expect most countries in Asia to suffer recession or, at best, slow growth in
1998 as policy-makers and corporations struggle through the reform process.
However, we are optimistic that these reform efforts will be successful, and we
look for growth in many countries to resume in 1999-2000. Going forward, we
expect Asian stocks to perform strongly next year.

The key question for Asian investors is how to best position themselves for the
economic adjustment


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                15
<PAGE>
 
period, which we feel is likely to last 12 months or so, and the recovery that
follows. We have several thoughts on this matter.

First, while we remain skeptical of the Japanese government's efforts to
stimulate the economy, we find the Japanese stock market relatively less
volatile than other markets in the region at this time. Accordingly, we have
increased our exposure to high-quality Japanese companies, raising our weighting
to 50% of the Portfolio from 30% previously. New Japanese companies added during
the period include Aiful and Takefuji, two small-business and consumer lenders,
NTT Data Communication, Japan's major information technology company, and
Terumo, the second largest supplier of medical equipment in the world. In
addition, we increased our weighting in Meitec, Minebea, Murata Noritsu Koki and
Sony. Japan now accounts for seven of our top ten holdings, up from two six
months ago.

Second, we believe that currency devaluations have made Asian products very
competitive in world markets and we expect exporters to thrive in the current
environment. As a result, we have built positions in selected exporters that are
trading at very attractive levels currently and that we expect can grow earnings
over the next few years. These companies include Samsung Display Devices, one of
the largest producers in the world of cathode ray tubes and computer monitors,
Youngone Corp., a South Korean garment manufacturer, Delta Electronics, a Thai
manufacturer of components for laptop and desktop computers, and GSS Array, a
contract manufacturer for electronics, also based in Thailand.

Third, we are optimistic about the prospects for recovery in those countries
where governments are implementing reforms aggressively and working closely with
the IMF, including Thailand and South Korea. At the same time, we are uneasy
with those countries where governments are resisting change and fighting with
the IMF, including Indonesia and Malaysia. Not surprisingly, our weightings in
South Korea and Thailand have increased to 5% and 10%, respectively, while we
have deleted Indonesia from the Portfolio and reduced Malaysia to a 2%
weighting.

Fourth, the Pacific Basin is home to many world-class blue chip companies that
will survive the crisis and likely will emerge stronger as a result. However, it
is unrealistic to expect much in the way of performance from these companies
during 1998, as higher costs and slower economic growth will cause short-term
problems. We believe such companies will benefit in the long run, as they buy
and consolidate weaker competitors, and that their shares should be accumulated
gradually. In the meantime, we have trimmed back holdings in both Hong Kong and
Singapore blue chips.

Thank you for your investment in the Smith Barney World Funds, Inc. -- Pacific
Portfolio.


/s/ Scott E. Kalb                /s/ David Ishibashi

Scott E. Kalb                    David Ishibashi
Vice President                   Vice President

May 11, 1998

- --------------------------------------------------------------------------------
16                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
Historical Performance -- Class A Shares
================================================================================
<TABLE>
<CAPTION>
                                     Net Asset Value
                                  ---------------------
                                  Beginning      End        Income     Total
Period Ended                      of Period   of Period    Dividends  Returns(1)
================================================================================
<S>                                 <C>         <C>          <C>       <C>     
4/30/98                             $ 8.46      $ 7.62       $0.00      (9.93)%+
- --------------------------------------------------------------------------------
10/31/97                             10.18        8.46        0.00     (16.90)
- --------------------------------------------------------------------------------
10/31/96                             10.07       10.18        0.00       1.09
- --------------------------------------------------------------------------------
10/31/95                             12.92       10.07        0.00     (22.06)
- --------------------------------------------------------------------------------
Inception*-- 10/31/94                12.50       12.92        0.00       3.36+
================================================================================
  Total                                                      $0.00      
================================================================================
</TABLE>

================================================================================
Historical Performance -- Class B Shares
================================================================================
<TABLE>
<CAPTION>
                                     Net Asset Value
                                  ---------------------
                                  Beginning      End        Income     Total
Period Ended                      of Period   of Period    Dividends  Returns(1)
================================================================================
<S>                                  <C>         <C>          <C>      <C>     
4/30/98                              $ 8.25      $ 7.40       $0.00    (10.30)%+
- --------------------------------------------------------------------------------
10/31/97                              10.01        8.25        0.00    (17.58)
- --------------------------------------------------------------------------------
10/31/96                               9.99       10.01        0.00      0.20
- --------------------------------------------------------------------------------
Inception*-- 10/31/95                 12.64        9.99        0.00    (20.97)+
================================================================================
  Total                                                       $0.00
================================================================================
</TABLE>

================================================================================
Historical Performance -- Class C Shares
================================================================================
<TABLE>
<CAPTION>
                                     Net Asset Value
                                  ---------------------
                                  Beginning      End        Income     Total
Period Ended                      of Period   of Period    Dividends  Returns(1)
================================================================================
<S>                                  <C>         <C>         <C>       <C>     
4/30/98                              $ 8.21      $ 7.36      $0.00     (10.35)%+
- --------------------------------------------------------------------------------
10/31/97                               9.98        8.21       0.00     (17.74)
- --------------------------------------------------------------------------------
10/31/96                               9.95        9.98       0.00       0.30
- --------------------------------------------------------------------------------
10/31/95                              12.86        9.95       0.00     (22.63)
- --------------------------------------------------------------------------------
Inception*--10/31/94                  12.50       12.86       0.00       2.88+
================================================================================
  Total                                                      $0.00
================================================================================
</TABLE>

It is the Fund's policy to distribute dividends and capital gains, if any,
annually.


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                17
<PAGE>
 
================================================================================
Average Annual Total Return
================================================================================
<TABLE>
<CAPTION>
                                                  Without Sales Charge(1)
                                            ------------------------------------
                                            Class A      Class B      Class C
================================================================================
<S>                                          <C>          <C>          <C>   
Six Months Ended 4/30/98+                   (9.93)%       (10.30)%      (10.35)%
- --------------------------------------------------------------------------------
Year Ended 4/30/98                          (29.77)       (30.32)       (30.43)
- --------------------------------------------------------------------------------
Inception* through 4/30/98                  (11.05)       (14.26)       (11.81)
================================================================================
<CAPTION>
                                                  Without Sales Charge(1)
                                            ------------------------------------
                                            Class A      Class B      Class C
================================================================================
<S>                                         <C>           <C>          <C>    
Six Months Ended 4/30/98+                   (14.48)%      (14.79)%      (11.25)%
- --------------------------------------------------------------------------------
Year Ended 4/30/98                          (33.27)       (33.80)       (31.13)
- --------------------------------------------------------------------------------
Inception* through 4/30/98                  (12.12)       (14.76)       (11.81)
================================================================================
</TABLE>

================================================================================
Cumulative Total Return
================================================================================
<TABLE>
<CAPTION>
                                                  Without Sales Charge(1)
================================================================================
<S>                                                      <C>  
Class A (Inception* through 4/30/98)                     (39.04)%
- --------------------------------------------------------------------------------
Class B (Inception* through 4/30/98)                     (41.46)
- --------------------------------------------------------------------------------
Class C (Inception* through 4/30/98)                     (41.12)
================================================================================
</TABLE>

(1)  Assumes reinvestment of all dividends and capital gain distributions, if
     any, at net asset value and does not reflect the deduction of the
     applicable sales charges with respect to Class A shares or the applicable
     contingent deferred sales charges ("CDSC") with respect to Class B and C
     shares.

(2)  Assumes reinvestment of all dividends and capital gain distributions, if
     any, at net asset value. In addition, Class A shares reflect the deduction
     of the maximum initial sales charge of 5.00%; Class B shares reflect the
     deduction of a 5.00% CDSC, which applies if shares are redeemed within one
     year from initial purchase. Thereafter, this CDSC declines by 1.00% per
     year until no CDSC is incurred. Class C shares reflect the deduction of a
     1.00% CDSC, which applies if shares are redeemed within the first year of
     purchase.

+    Total return is not annualized, as it may not be representative of the
     total return for the year.

*    Inception dates for Class A, B and C shares are February 7, 1994, November
     7, 1994 and February 11, 1994, respectively.


- --------------------------------------------------------------------------------
18                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
Pacific Portfolio at a Glance (unaudited)
================================================================================
Growth of $10,000 Invested in Class A Shares of the
Pacific Portfolio vs. MSCI All Country Asia Pacific Index+
- --------------------------------------------------------------------------------

  [THE FOLLOWING TABLE WAS REPRESENTED AS A PIE CHART IN THE PRINTED MATERIAL.]

<TABLE>
<CAPTION>
                            February 1994--April 1998

                            Pacific         MSCI All Country 
                            Portfolio        Asia Pacific Index
                            ---------        ------------------
<S>                          <C>                <C>    
Feb 7 1994                   $9,549             $10,000
Apr 1994                     $9,465             $10,012
Oct 1994                     $9,870             $10,716
Apr 1995                     $8,121             $10,248
Oct 1995                     $7,693             $ 9,438
Apr 1996                     $8,579             $11,076
Oct 1996                     $7,777             $ 9,650
Apr 1997                     $8,289             $ 8,873
Oct 31 1997                  $6,463             $ 7,703
Apr 1997                     $5,821             $ 7,040
</TABLE>

+    Hypothetical illustration of $10,000 invested in Class A shares at
     inception on February 7, 1994, assuming deduction of the maximum 4.50%
     sales charge at the time of investment and the reinvestment of dividends
     and capital gains, if any, at net asset value through April 30, 1998. The
     Morgan Stanley Capital International ("MSCI") All Country Asia Pacific
     Index is a composite portfolio consisting of equity total returns for the
     countries of Australia, New Zealand and countries in the Far East. The
     index is unmanaged and is not subject to the same management and trading
     expenses of a mutual fund. The performance of the Portfolio's other classes
     may be greater or less than the Class A shares' performance indicated on
     this chart, depending on whether greater or lesser sales charges and fees
     were incurred by shareholders investing in the other classes.

     All figures represent past performance and are not a guarantee of future
     results. Investment returns and principal value will fluctuate, and
     redemption values may be more or less than the original cost. No adjustment
     has been made for shareholder tax liability on dividends or capital gains.

<TABLE>    
<CAPTION>
Top Ten Holdings*                                           As of April 30, 1998
- --------------------------------------------------------------------------------
<S>                                                                         <C> 
  1. Sony Corp.                                                             5.5%
- --------------------------------------------------------------------------------
  2. Shohkoh Fund & Co., Ltd.                                               4.6
- --------------------------------------------------------------------------------
  3. VTech Holdings Ltd.                                                    4.3
- --------------------------------------------------------------------------------
  4. Meitec                                                                 3.7
- --------------------------------------------------------------------------------
  5. Datacraft Asia Ltd.                                                    3.7
- --------------------------------------------------------------------------------
  6.  Orix Corp.                                                            3.6
- --------------------------------------------------------------------------------
  7. Hutchison Whampoa Ltd.                                                 3.4
- --------------------------------------------------------------------------------
  8. Noritsu Koki Co., Ltd.                                                 3.4
- --------------------------------------------------------------------------------
  9. Murata Manufacturing Co., Ltd.                                         3.3
- --------------------------------------------------------------------------------
 10. Minebea Co. Ltd.                                                       3.3
================================================================================
</TABLE>

*    As a percentage of total investments.

  [THE FOLLOWING TABLE WAS REPRESENTED AS A PIE CHART IN THE PRINTED MATERIAL.]

<TABLE>
<CAPTION>
Investment Allocation as of April 30, 1998*
- --------------------------------------------------------------------------------
<S>                                <C> 
Hong Kong                          13.6%   
Japan                              47.6%   
Australia                           7.4%    
Thailand                           10.1%   
South Korea                         4.9%    
Singapore                           8.1%    
Other                               8.3%    
</TABLE>

*    As a percentage of total investments.


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                19
<PAGE>
 
<TABLE>
<CAPTION>
====================================================================================================
Schedules of Investments (unaudited)                                                  April 30, 1998
====================================================================================================
                           EMERGING MARKETS PORTFOLIO

 SHARES                              SECURITY                                                VALUE
====================================================================================================
<S>           <C>                                                                        <C>    
STOCKS -- 100.0%
Argentina -- 4.4%
     22,357   Banco de Galicia y Buenos Aires SA de CV ADR(a)                            $   547,746
     17,000   Telefonica de Argentina SA ADR(a)                                              655,562
- ----------------------------------------------------------------------------------------------------
                                                                                           1,203,308
- ----------------------------------------------------------------------------------------------------
Brazil -- 17.7%
     24,900   Aracruz Celulose SA ADR(a)                                                     392,175
  8,050,000   Centrais Eletricas Brasileiras SA-- Eletrobras, Preferred Class B Shares       361,687
    698,000   Cia Cervejaria Brahma, Preferred(b)                                            454,554
888,100,000   Cia de Eletricidade do Estado do Rio de Janeiro(b)                             659,864
    938,000   Cia de Tecidos Norte de Minas-- Coteminas, Preferred                           229,580
 34,575,000   Cia Paranaense de Energia-- Copel, Preferred Class B Shares(b)                 486,588
 12,675,000   Cia Siderurgica Nacional SA                                                    398,863
  2,300,000   Eletropaulo Metropolitana-- Eletricidade de Sao Paulo SA                       261,363
  2,350,000   Petroleo Brasileiro SA-- Petrobras, Preferred                                  594,689
    286,100   Tectoy Industria de Brinquedos SA, Preferred(b)                                 20,006
      7,020   Telecomunicacoes Brasileiras SA ADR                                            855,123
    436,646   Telecomunicacoes de Brasilia SA, Preferred                                     136,261
- ----------------------------------------------------------------------------------------------------
                                                                                          4,850,753
- ----------------------------------------------------------------------------------------------------
 Chile -- 3.9%
     19,000   Cia de Telecomunicaciones de Chile SA ADR(a)                                   476,187
     18,200   Vina Concha Y Toro ADR(a)                                                      591,500
- ----------------------------------------------------------------------------------------------------
                                                                                           1,067,687
- ----------------------------------------------------------------------------------------------------
China -- 1.3%
  1,050,000   Shanghai China International Travel Service Co., Ltd., Class B Shares          344,400
- ----------------------------------------------------------------------------------------------------
 Hong Kong -- 2.2%
    493,000   Cosco Pacific Ltd.(a)                                                          334,140
        720   Hubei Sanonda Co. Ltd., Class B Shares(b)                                          184
    639,800   Shandong Chenming Paper Holdings Ltd., Class B Shares(b)                       274,223
- ----------------------------------------------------------------------------------------------------
                                                                                             608,547
- ----------------------------------------------------------------------------------------------------
Hungary -- 2.8%
    221,932   Fotex RT(b)                                                                    218,823
      5,218   Graboplast RT                                                                  197,881
      3,400   Richter Gedeon RT                                                              364,248
- ----------------------------------------------------------------------------------------------------
                                                                                             780,952
- ----------------------------------------------------------------------------------------------------
India -- 4.4%
     20,000   BSES Ltd. GDR(b)(c)                                                            328,500
     34,900   Larsen & Toubro Ltd. GDR(b)                                                    452,827
     35,000   Videsh Sanchar Nigam Ltd. GDR(b)                                               428,750
- ----------------------------------------------------------------------------------------------------
                                                                                           1,210,077
- ----------------------------------------------------------------------------------------------------
</TABLE>


                       See Notes to Financial Statements.

- --------------------------------------------------------------------------------
20                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
<TABLE>
<CAPTION>
====================================================================================================
Schedules of Investments (unaudited)(continued)                                       April 30, 1998
====================================================================================================
                              EMERGING MARKETS PORTFOLIO

 SHARES                              SECURITY                                                VALUE
====================================================================================================
<S>         <C>                                                                          <C>    
Malaysia -- 2.3%
  101,400   Genting Berhad                                                               $   336,192
   99,000   Telekom Malaysia Berhad                                                          296,470
- ----------------------------------------------------------------------------------------------------
                                                                                             632,662
- ----------------------------------------------------------------------------------------------------
Mexico -- 12.4%                                                                           
   90,600   Cemex SA de CV, Class B Shares(b)                                                537,869
  348,000   Cintra SA                                                                        327,934
   81,200   Grupo Carso SA de CV Series A1                                                   513,627
  197,000   Grupo Financiero Banamex Accival, SA de CV (Banacci), Class B Shares(b)          611,455
   21,200   Grupo Industrial Durango SA ADR(a)(b)                                            304,750
   16,300   Grupo Televisa SA GDR(b)                                                         668,300
  594,400   Posada Series L                                                                  429,897
- ----------------------------------------------------------------------------------------------------
                                                                                           3,393,832
- ----------------------------------------------------------------------------------------------------
Peru -- 1.9%                                                                              
   24,000   Telefonica del Peru SA ADR(a)                                                    531,000
- ----------------------------------------------------------------------------------------------------
Philippines -- 1.6%                                                                       
9,900,000   Digital Telecommunications Philippines, Inc.(b)                                  429,041
- ----------------------------------------------------------------------------------------------------
Poland -- 6.4%                                                                            
    2,760   Bank Slaski SA                                                                   236,466
   16,870   Debica SA                                                                        427,151
   51,200   Elektrim Spolka Akcyjna SA                                                       731,105
    8,500   Polish National Investment Fund(b)                                               281,539
   56,100   Swarzedzkie Fabryk Mebli SA(b)                                                    75,978
- ----------------------------------------------------------------------------------------------------
                                                                                           1,752,239
- ----------------------------------------------------------------------------------------------------
Russia -- 6.3%                                                                            
       28   ING Baring Russian Regional Telecom Basket(c)                                    280,123
   52,000   Irkutskenergo ADR                                                                520,000
   13,200   Mosenergo ADR(a)                                                                 470,250
   62,000   Surgutneftegaz ADR(a)                                                            465,000
- ----------------------------------------------------------------------------------------------------
                                                                                           1,735,373
- ----------------------------------------------------------------------------------------------------
Singapore -- 2.2%                                                                         
   42,000   Asia Pulp & Paper Co. Ltd. ADR(a)                                                611,625
- ----------------------------------------------------------------------------------------------------
South Africa -- 8.8%                                                                      
   20,000   Liberty Life Association of Africa Ltd.                                          676,357
  566,221   Metro Cash and Carry Ltd.                                                        627,081
   22,000   Nedcor Ltd.                                                                      626,520
  301,500   Plessey Corp. Ltd.                                                               477,009
- ----------------------------------------------------------------------------------------------------
                                                                                           2,406,967 
- ----------------------------------------------------------------------------------------------------
</TABLE>

                       See Notes to Financial Statements.


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                21
<PAGE>
 
<TABLE>
<CAPTION>
====================================================================================================
Schedules of Investments (unaudited)(continued)                                       April 30, 1998
====================================================================================================

                              EMERGING MARKETS PORTFOLIO

 SHARES                              SECURITY                                                VALUE
====================================================================================================
<S>           <C>                                                                        <C>    
South Korea -- 3.9%
    104,000   Comtec System Co. Ltd.                                                     $   268,462
      6,000   Lotte Confectionery Co.                                                        448,933
      6,840   Samsung Display Devices Co.                                                    340,336
        982   Samsung Display Devices Co. Rights, Expire 5/13/98(b)                           17,046
- ----------------------------------------------------------------------------------------------------
                                                                                           1,074,777
- ----------------------------------------------------------------------------------------------------
Sri Lanka -- 0.2%                                                                        
    241,600   Lanka Walltile Ltd.(b)                                                          58,200
- ----------------------------------------------------------------------------------------------------
Taiwan -- 8.3%                                                                           
    436,000   Chinatrust Commercial Bank(b)                                                  511,704
    131,000   Delta Electronics, Inc.                                                        480,704
     16,000   Fubon Insurance Co. GDR(b)                                                     324,800
     88,000   Hon Hai Precision Industry(b)                                                  512,395
    246,000   Yuanta Securities Corp.(b)                                                     462,539
- ----------------------------------------------------------------------------------------------------
                                                                                           2,292,142
- ----------------------------------------------------------------------------------------------------
Thailand -- 2.6%                                                                         
     77,500   Advanced Info Service Public Co., Ltd.                                         521,008
     84,500   Thai Farmers Bank Public Co. Ltd.                                              193,361
- ----------------------------------------------------------------------------------------------------
                                                                                             714,369
- ----------------------------------------------------------------------------------------------------
Turkey -- 4.9%                                                                           
  6,146,000   Brisa Bridgestone Sabanci Lastik Sanayire ve Ticaret AS                        362,577
  3,965,000   Ege Biracilik Ve Malt Sanayii AS                                               523,354
  9,363,750   Turk Sise ve Cam Fabrikalari AS                                                458,777
- ----------------------------------------------------------------------------------------------------
                                                                                           1,344,708
- ----------------------------------------------------------------------------------------------------
Venezuela -- 1.5%                                                                        
     12,000   Compania Anonima Nacional Telefonos de Venezuela ADR(a)                        402,000
- ----------------------------------------------------------------------------------------------------
              TOTAL INVESTMENTS -- 100%                                                  
              (Cost -- $27,065,188*)                                                     $27,444,659
====================================================================================================
</TABLE>

(a)  A portion of this security is on loan (See Note 9).

(b)  Non-income producing security.

(c)  Security is exempt from registration  under Rule 144a of the Securities Act
     of 1993. This security may be resold in  transactions  that are exempt from
     registration, generally to qualified institutional buyers.

 *   Aggregate cost for Federal income tax purposes is substantially the same.


                       See Notes to Financial Statements.


- --------------------------------------------------------------------------------
22                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
<TABLE>
<CAPTION>
====================================================================================================
Schedules of Investments (unaudited)(continued)                                       April 30, 1998
====================================================================================================

                               EUROPEAN PORTFOLIO

 SHARES                              SECURITY                                                VALUE
====================================================================================================
<S>          <C>                                                                         <C> 
STOCKS -- 91.7%
Austria -- 3.0%
    12,000   VA Technologie AG(a)                                                        $ 1,724,725
- ----------------------------------------------------------------------------------------------------
Canada -- 0.1%                                                                           
   242,957   International UNP Holdings Ltd.(b)                                               49,257
- ----------------------------------------------------------------------------------------------------
Finland -- 5.9%                                                                          
    50,000   Nokia OYJ, Class A Shares(a)                                                  3,343,750
- ----------------------------------------------------------------------------------------------------
France -- 16.7%                                                                          
    10,000   Atos SA(b)                                                                    1,670,045
    15,000   Cap Gemini SA                                                                 1,946,724
    10,000   Christian Dior SA(a)                                                          1,354,315
    10,000   Coflexip SA                                                                   1,417,461
    10,254   Guilbert SA(a)                                                                1,835,148
    10,000   Total SA, Class B Shares(a)                                                   1,188,141
     5,000   Transgene SA ADR(b)                                                              90,000
- ----------------------------------------------------------------------------------------------------
                                                                                           9,501,834
- ----------------------------------------------------------------------------------------------------
Germany -- 9.7%                                                                          
     2,700   Buderus AG                                                                    1,269,880
     4,000   Mannesmann AG                                                                 3,151,852
    10,000   SGL Carbon AG                                                                 1,059,626
- ----------------------------------------------------------------------------------------------------
                                                                                           5,481,358
- ----------------------------------------------------------------------------------------------------
Ireland -- 3.8%                                                                          
   358,332   Independent Newspapers PLC                                                    2,164,083
- ----------------------------------------------------------------------------------------------------
Italy -- 4.4%                                                                            
    20,000   Gucci Group NV, NY Registered Shares(a)                                         931,250
    60,000   Industrie Natuzzi SpA ADR                                                     1,541,250
- ----------------------------------------------------------------------------------------------------
                                                                                           2,472,500 
- ----------------------------------------------------------------------------------------------------
Netherlands -- 21.1%                                                                     
    20,000   Baan Co. NV(b)                                                                  877,500
    25,000   Content Beheer NV                                                               798,069
    70,000   Fugro NV                                                                      2,771,591
    41,472   Hunter Douglas NV                                                             2,021,772
    30,000   Koninklijke Ahrend Groep NV                                                   1,039,346
    15,000   Nutreco Holding NV                                                              535,263
    60,000   Ordina NV(b)                                                                  1,407,572
    40,930   Samas Groep NV CVA                                                            2,538,247
- ----------------------------------------------------------------------------------------------------
                                                                                          11,989,360
- ----------------------------------------------------------------------------------------------------
Norway -- 5.7%                                                                           
   100,000   Tomra Systems ASA(a)                                                          3,217,977
====================================================================================================
</TABLE>


                       See Notes to Financial Statements.

- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                23
<PAGE>
 
<TABLE>
<CAPTION>
====================================================================================================
Schedules of Investments (unaudited)(continued)                                       April 30, 1998
====================================================================================================

                               EUROPEAN PORTFOLIO

 SHARES                              SECURITY                                                VALUE
====================================================================================================
<S>           <C>                                                                        <C> 
Spain -- 5.6%
     50,000   Amper SA                                                                   $ 1,279,401
      4,250   Azkoyen SA                                                                     585,572
     30,800   Telefonica de Espana                                                         1,285,227
     30,800   Telefonica de Espana Rights, Expire 5/7/98(b)                                   23,845
- ----------------------------------------------------------------------------------------------------
                                                                                           3,174,045
- ----------------------------------------------------------------------------------------------------
Switzerland -- 4.8%                                                                     
      1,664   Novartis AG                                                                  2,751,330
- ----------------------------------------------------------------------------------------------------
United Kingdom -- 10.9%                                                                 
     60,000   CMG PLC(b)                                                                   2,676,018
    120,000   Compass Group PLC                                                            2,076,625
     40,000   SEMA Group PLC(b)                                                            1,446,605
- ----------------------------------------------------------------------------------------------------
                                                                                           6,199,248
- ----------------------------------------------------------------------------------------------------
               TOTAL STOCKS                                                             
              (Cost-- $28,259,530)                                                        52,069,467
====================================================================================================
<CAPTION>
 FACE
 AMOUNT                              SECURITY                                                VALUE
====================================================================================================
<S>           <C>                                                                        <C> 
REPURCHASE AGREEMENT -- 8.3%
4,706,000     CIBC Wood Gundy Securities Inc., 5.40% due 5/1/98;
              Proceeds at maturity -- $4,706,706; (Fully collateralized
              by U.S. Treasury Notes, 6.00% due 8/15/99; Market
              value -- $4,801,143) (Cost -- $4,706,000)                                    4,706,000
====================================================================================================
              TOTAL INVESTMENTS -- 100%
              (Cost -- $32,965,530*)                                                     $56,775,467
====================================================================================================
</TABLE>

(a)  A portion of this security is on loan (See Note 9).

(b)  Non-income producing security.

 *   Aggregate cost for Federal income tax purposes is substantially the same.


                       See Notes to Financial Statements.

- --------------------------------------------------------------------------------
24                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
<TABLE>
<CAPTION>
====================================================================================================
Schedules of Investments (unaudited)(continued)                                       April 30, 1998
====================================================================================================

                                 PACIFIC PORTFOLIO

 SHARES                              SECURITY                                                VALUE
====================================================================================================
<S>           <C>                                                                        <C> 
STOCKS -- 96.5%
Australia -- 7.4%
   25,412     Australian Gas Light Co. Ltd.                                              $   189,081
   25,208     Coca-Cola Amatil Ltd.(a)                                                       192,298
   20,000     Leighton Holdings Ltd.                                                          76,284
- ----------------------------------------------------------------------------------------------------
                                                                                             457,663
- ----------------------------------------------------------------------------------------------------
Hong Kong -- 13.6%
  137,500     Hong Kong and China Gas Co. Ltd.                                               187,275
    6,250     Hong Kong and China Gas Co. Ltd. Warrants, Expire 9/30/99(b)                         0
    2,108     HSBC Holdings PLC(a)                                                            60,143
   34,000     Hutchison Whampoa Ltd.                                                         210,251
   17,000     Shanghai Industrial Holdings Ltd.(a)                                            58,268
   24,000     Smartone Telecommunications                                                     63,051
   75,000     VTech Holdings Ltd.                                                            263,362
- ----------------------------------------------------------------------------------------------------
                                                                                             842,350
- ----------------------------------------------------------------------------------------------------
Indonesia -- 0.0%
   30,000     PT Fiskaragung Perkasa                                                           1,950
- ----------------------------------------------------------------------------------------------------
Japan -- 47.6%
    2,100     Aiful Corp.                                                                    139,226
    6,000     C. Uyemura & Co., Ltd.                                                         158,934
    7,000     Meitec                                                                         230,455
   18,000     Minebea Co., Ltd.(a)                                                           201,619
    7,000     Murata Manufacturing Co., Ltd.                                                 205,556
    2,200     Nichiei Co., Ltd.                                                              171,498
   34,000     Nikko Securities Co., Ltd.                                                     103,700
    7,000     Noritsu Koki Co., Ltd.                                                         209,264
        3     NTT Data Corp.                                                                 129,872
    3,200     Orix Corp.                                                                     221,599
    3,000     Seven-Eleven Japan Co., Ltd.                                                   200,939
      900     Shohkoh Fund & Co., Ltd.                                                       286,764
    4,100     Sony Corp.                                                                     341,641
    8,000     Sumitomo Realty & Development Co., Ltd.                                         38,446
    2,000     Takefuji Corp.                                                                 105,199
   13,000     Terumo Corp.(a)                                                                190,676
- ----------------------------------------------------------------------------------------------------
                                                                                           2,935,388
- ----------------------------------------------------------------------------------------------------
Malaysia -- 2.2%
   58,000     Kuala Lumpur Kepong Berhad                                                     134,144
- ----------------------------------------------------------------------------------------------------
Philippines -- 1.4%
  172,200     SPI Technologies Inc.                                                           88,995
- ----------------------------------------------------------------------------------------------------
Singapore -- 8.1%
   68,000     Datacraft Asia Ltd.                                                            228,481
  170,000     JIT Holdings Ltd.                                                              138,490
   36,000     Venture Manufacturing Ltd.                                                     130,723
- ----------------------------------------------------------------------------------------------------
                                                                                             497,694
</TABLE>

                       See Notes to Financial Statements.

- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                25
<PAGE>
 
<TABLE>
<CAPTION>
====================================================================================================
Schedules of Investments (unaudited)(continued)                                       April 30, 1998
====================================================================================================

                                 PACIFIC PORTFOLIO

 SHARES                              SECURITY                                                VALUE
====================================================================================================
<S>           <C>                                                                        <C> 
South Korea -- 4.9%
    1,100     Samsung Display Devices Co.                                                $    54,733
      159     Samsung Display Devices Co. Rights, Expire 5/13/98(b)                            2,742
      226     Samsung Fire & Marine Insurance                                                 66,794
    7,700     Youngone Corp.                                                                 175,721
- ----------------------------------------------------------------------------------------------------
                                                                                             299,990
- ----------------------------------------------------------------------------------------------------
Taiwan -- 3.7%
    5,000     Asustek Computer Inc.(b)                                                       101,897
   172,000    Bank Sinopac(b)                                                                125,188
- ----------------------------------------------------------------------------------------------------
                                                                                             227,085
- ----------------------------------------------------------------------------------------------------
Thailand -- 7.6%
   20,000     Delta Electronics PLC                                                          194,441
   10,000     Delta Electronics PLC Rights, Expire 5/15/98(b)                                 94,635
   52,000     GSS Array Technology PLC(b)                                                    177,479
- ----------------------------------------------------------------------------------------------------
                                                                                             466,555
- ----------------------------------------------------------------------------------------------------
              TOTAL STOCKS
              (Cost -- $5,597,396)                                                         5,951,814
====================================================================================================
<CAPTION>
 FACE
 AMOUNT                              SECURITY                                                VALUE
====================================================================================================
<S>           <C>                                                                        <C> 
BONDS -- 3.5%
Philippines -- 1.0%
$  70,000     International Container Terminal, 1.75% due 3/13/04                             61,250
- ----------------------------------------------------------------------------------------------------
Thailand -- 2.5%
  180,000     Tipco Asphalt Co., 2.75% due 9/19/06                                           154,800
- ----------------------------------------------------------------------------------------------------
              TOTAL BONDS
              (Cost -- $197,331)                                                             216,050
====================================================================================================
              TOTAL INVESTMENTS -- 100%
              (Cost -- $5,794,727*)                                                      $ 6,167,864
====================================================================================================
</TABLE>

(a)  A portion of this security is on loan (See Note 9).

(b)  Non-income producing security.

 *   Aggregate cost for Federal income tax purposes is substantially the same.

                       See Notes to Financial Statements.

- --------------------------------------------------------------------------------
26                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
<TABLE>
<CAPTION>
====================================================================================================================================
Statements of Assets and Liabilities (unaudited)                                                                      April 30, 1998
====================================================================================================================================
                                                                                     Emerging
                                                                                      Markets         European            Pacific
                                                                                     Portfolio        Portfolio          Portfolio
====================================================================================================================================
<S>                                                                                <C>               <C>               <C>         
ASSETS:
     Investments, at cost                                                          $ 27,065,188      $ 32,965,530      $  5,794,727
     Foreign currencies, at cost                                                          6,987            29,366            26,306
====================================================================================================================================
     Investments, at value                                                         $ 27,444,659      $ 56,775,467      $  6,167,864
     Foreign currencies, at value                                                         7,304            29,560            26,096
     Cash                                                                               628,465            10,046             2,114
     Collateral for securities loaned (Note 9)                                        4,397,068         8,412,822           547,680
     Dividend and interest receivable                                                   108,458           134,845            26,689
     Receivable for securities sold                                                     106,589                --                --
     Receivable for Fund shares sold                                                     27,523           205,386                --
     Receivable from manager                                                                 --                --            15,931
     Receivable for open forward foreign currency contracts (Note 4)                         --                --               353
- ------------------------------------------------------------------------------------------------------------------------------------
     Total Assets                                                                    32,720,066        65,568,126         6,786,727
- ------------------------------------------------------------------------------------------------------------------------------------
LIABILITIES:
     Payable for securities loaned (Note 9)                                           4,397,068         8,412,822           547,680
     Payable for securities purchased                                                   335,311                --           126,165
     Management fees payable                                                             22,882            39,207                --
     Distribution fees payable                                                           10,318            17,737             3,547
     Payable for open forward foreign currency contracts (Note 4)                           968               222                --
     Payable for Fund shares purchased                                                       --            15,650                --
     Accrued expenses                                                                     4,631            99,006           108,269
- ------------------------------------------------------------------------------------------------------------------------------------
     Total Liabilities                                                                4,771,178         8,584,644           785,661
- ------------------------------------------------------------------------------------------------------------------------------------
Total Net Assets                                                                   $ 27,948,888      $ 56,983,482      $  6,001,066
====================================================================================================================================
NET ASSETS:
     Par value of capital shares                                                   $      2,345      $      2,619      $        803
     Capital paid in excess of par value                                             29,497,234        29,875,119         9,154,650
     Accumulated net investment loss                                                   (385,467)         (340,741)         (261,258)
     Accumulated net realized gain (loss) from
        security transactions and foreign currencies                                 (1,544,536)        3,640,788        (3,268,939)
     Net unrealized appreciation of investments and foreign currencies                  379,312        23,805,697           375,810
- ------------------------------------------------------------------------------------------------------------------------------------
Total Net Assets                                                                   $ 27,948,888      $ 56,983,482      $  6,001,066
====================================================================================================================================
Shares Outstanding:
     Class A                                                                            890,617           896,618           290,058
     -------------------------------------------------------------------------------------------------------------------------------
     Class B                                                                          1,165,081         1,523,257           382,480
     -------------------------------------------------------------------------------------------------------------------------------
     Class C                                                                            280,157           198,986           130,574
     -------------------------------------------------------------------------------------------------------------------------------
     Class Y                                                                              9,026                --                --
     -------------------------------------------------------------------------------------------------------------------------------
Net Asset Value:
     Class A (and redemption price)                                                      $12.09            $22.07             $7.62
     -------------------------------------------------------------------------------------------------------------------------------
     Class B*                                                                            $11.81            $21.60             $7.40
     -------------------------------------------------------------------------------------------------------------------------------
     Class C**                                                                           $11.82            $21.55             $7.36
     -------------------------------------------------------------------------------------------------------------------------------
     Class Y (and redemption price)                                                      $12.10                --                --
     -------------------------------------------------------------------------------------------------------------------------------
Class A Maximum Public Offering Price Per Share                                                                               
     (net asset value plus 5.26% of net asset value per share)                           $12.73            $23.23             $8.02
====================================================================================================================================
</TABLE>

*    Redemption price is NAV of Class B shares reduced by a 5.00% CDSC if shares
     are redeemed within one year from initial purchase (See Note 2).

**   Redemption price is NAV of Class C shares reduced by a 1.00% CDSC if shares
     are redeemed within the first year of purchase (See Note 2).

                       See Notes to Financial Statements.

- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                27
<PAGE>
 
<TABLE>
<CAPTION>
====================================================================================================================================
Statements of Operations (unaudited)                                                         For the Six Months Ended April 30, 1998
====================================================================================================================================

                                                                                Emerging
                                                                                 Markets             European            Pacific
                                                                                Portfolio            Portfolio          Portfolio
====================================================================================================================================
<S>                                                                            <C>                 <C>                 <C>         
INVESTMENT INCOME:
     Dividends                                                                 $    194,757        $    228,270        $     52,012
     Interest                                                                        14,848              42,544               9,939
     Less: Foreign withholding tax                                                  (12,678)            (29,674)             (4,755)
- ------------------------------------------------------------------------------------------------------------------------------------
     Total Investment Income                                                        196,927             241,140              57,196
- ------------------------------------------------------------------------------------------------------------------------------------
EXPENSES:
     Management fees (Note 2)                                                       151,326             200,318              28,984
     Distribution fees (Note 2)                                                     107,635             177,397              25,165
     Custody                                                                         39,232              23,329              14,704
     Registration fees                                                               27,537              59,540              57,063
     Shareholder and system servicing fees                                           22,471              43,273              14,448
     Shareholder communications                                                      13,523              15,018               5,072
     Audit and legal                                                                  7,913              10,645              10,861
     Directors' fees                                                                  2,118               2,442               1,913
     Other                                                                            5,762               3,591               4,210
- ------------------------------------------------------------------------------------------------------------------------------------
     Total Expenses                                                                 377,517             535,553             162,420
- ------------------------------------------------------------------------------------------------------------------------------------
     Net Investment Loss                                                           (180,590)           (294,413)           (105,224)
- ------------------------------------------------------------------------------------------------------------------------------------
REALIZED AND UNREALIZED GAIN (LOSS) ON
INVESTMENTS AND FOREIGN CURRENCIES
(NOTES 3 AND 4):
     Net Realized Gain (Loss) From:
        Security transactions                                                      (549,160)          3,642,140          (1,044,489)
        Foreign currency transactions                                              (204,877)            (46,328)            (22,338)
- ------------------------------------------------------------------------------------------------------------------------------------
     Net Realized Gain (Loss)                                                      (754,037)          3,595,812          (1,066,827)
- ------------------------------------------------------------------------------------------------------------------------------------
     Change in Net Unrealized Appreciation (Depreciation)
     of Investments and Foreign Currencies:
        Beginning of period                                                         778,521          16,657,557            (257,451)
        End of period                                                               379,312          23,805,697             375,810
- ------------------------------------------------------------------------------------------------------------------------------------
     Change in Net Unrealized Appreciation (Depreciation)                          (399,209)          7,148,140             633,261
- ------------------------------------------------------------------------------------------------------------------------------------
Net Gain (Loss) on Investments and Foreign Currencies                            (1,153,246)         10,743,952            (433,566)
Increase (Decrease) in Net Assets From Operations                              $ (1,333,836)       $ 10,449,539        $   (538,790)
====================================================================================================================================
</TABLE>

                       See Notes to Financial Statements.

- --------------------------------------------------------------------------------
28                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
<TABLE>
<CAPTION>
====================================================================================================================================
Statements of Changes in Net Assets (unaudited)                                              For the Six Months Ended April 30, 1998
====================================================================================================================================

                                                                               Emerging
                                                                                Markets             European              Pacific
                                                                               Portfolio            Portfolio            Portfolio
====================================================================================================================================
<S>                                                                          <C>                  <C>                  <C>          
OPERATIONS:
     Net investment loss                                                     $   (180,590)        $   (294,413)        $   (105,224)
     Net realized gain (loss)                                                    (754,037)           3,595,812           (1,066,827)
     Increase (decrease) in net unrealized appreciation                          (399,209)           7,148,140              633,261
- ------------------------------------------------------------------------------------------------------------------------------------
     Increase (Decrease) in Net Assets From Operations                         (1,333,836)          10,449,539             (538,790)
- ------------------------------------------------------------------------------------------------------------------------------------
DISTRIBUTIONS TO SHAREHOLDERS FROM:
     Net realized gains                                                                --             (971,549)                  --
- ------------------------------------------------------------------------------------------------------------------------------------
     Decrease in Net Assets From
        Distributions to Shareholders                                                  --             (971,549)                  --
- ------------------------------------------------------------------------------------------------------------------------------------
FUND SHARE TRANSACTIONS (NOTE 10):
     Net proceeds from sale of shares                                           9,909,226           48,914,914           16,027,711
     Net asset value of shares issued
        for reinvestment of dividends                                                  --              914,761                   --
     Cost of shares reacquired                                                (17,111,272)         (48,773,034)         (19,288,551)
- ------------------------------------------------------------------------------------------------------------------------------------
     Increase (Decrease) in Net Assets From
        Fund Share Transactions                                                (7,202,046)           1,056,641           (3,260,840)
- ------------------------------------------------------------------------------------------------------------------------------------
Increase (Decrease) in Net Assets                                              (8,535,882)          10,534,631           (3,799,630)
NET ASSETS:
     Beginning of period                                                       36,484,770           46,448,851            9,800,696
- ------------------------------------------------------------------------------------------------------------------------------------
     End of period*                                                          $ 27,948,888         $ 56,983,482         $  6,001,066
====================================================================================================================================
* Includes accumulated net investment loss of:                               $   (385,467)        $   (340,741)        $   (261,258)
====================================================================================================================================
</TABLE>

                       See Notes to Financial Statements.

- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                29
<PAGE>
 
<TABLE>
<CAPTION>
====================================================================================================================================
Statements of Changes in Net Assets                                                               For the Year Ended October 31,1997
====================================================================================================================================

                                                                               Emerging
                                                                                Markets             European              Pacific
                                                                               Portfolio            Portfolio            Portfolio
====================================================================================================================================
<S>                                                                          <C>                  <C>                  <C>          
OPERATIONS:
     Net investment loss                                                     $   (284,810)        $   (428,508)        $   (261,594)
     Net realized gain (loss)                                                    (945,031)             891,582             (530,519)
     Increase (decrease) in net unrealized appreciation                           208,848            4,808,121             (479,484)
- ------------------------------------------------------------------------------------------------------------------------------------
     Increase (Decrease) in Net Assets From Operations                         (1,020,993)           5,271,195           (1,271,597)
- ------------------------------------------------------------------------------------------------------------------------------------
DISTRIBUTIONS TO SHAREHOLDERS FROM:
     Net realized gains                                                                --           (2,644,023)                  --
- ------------------------------------------------------------------------------------------------------------------------------------
     Decrease in Net Assets From
        Distributions to Shareholders                                                  --           (2,644,023)                  --
- ------------------------------------------------------------------------------------------------------------------------------------
FUND SHARE TRANSACTIONS (NOTE 10):
     Net proceeds from sale of shares                                          35,138,483           59,471,115           27,795,046
     Net asset value of shares issued
        for reinvestment of dividends                                                  --            2,505,751                   --
     Cost of shares reacquired                                                (23,833,181)         (57,078,021)         (27,272,602)
- ------------------------------------------------------------------------------------------------------------------------------------
     Increase in Net Assets From
        Fund Share Transactions                                                11,305,302            4,898,845              522,444
- ------------------------------------------------------------------------------------------------------------------------------------
Increase (Decrease) in Net Assets                                              10,284,309            7,526,017             (749,153)
NET ASSETS:
     Beginning of year                                                         26,200,461           38,922,834           10,549,849
- ------------------------------------------------------------------------------------------------------------------------------------
     End of year*                                                            $ 36,484,770         $ 46,448,851         $  9,800,696
====================================================================================================================================
* Includes accumulated net investment loss of:                                         --                   --         $   (133,696)
====================================================================================================================================
</TABLE>

                       See Notes to Financial Statements.

- --------------------------------------------------------------------------------
30                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
Notes to Financial Statements (unaudited)
================================================================================

1.   Significant Accounting Policies

The Emerging Markets, European and Pacific Portfolios ("Portfolios") are
separate investment portfolios of the Smith Barney World Funds, Inc. ("Fund").
The Fund, a Maryland corporation, is registered under the Investment Company Act
of 1940, as amended, as an open-end investment management company. The Fund
consists of these Portfolios and three other separate investment portfolios:
Global Government Bond, International Equity and International Balanced
Portfolios. The financial statements and financial highlights for the other
portfolios are presented in a separate semi-annual report.

The significant accounting policies consistently followed by the Fund are: (a)
security transactions are accounted for on trade date; (b) securities traded on
national securities markets are valued at the closing prices on the primary
exchange on which they are traded; securities listed or traded on certain
foreign exchanges or other markets whose operations are similar to the U.S.
over-the-counter market (including securities listed on exchanges where the
primary market is believed to be over-the-counter) and securities for which no
sales price was reported on that date are valued at the mean between the bid and
ask prices. Securities which are listed or traded on more than one exchange or
market are valued at the quotations on the exchange or market determined to be
the primary market for such securities; (c) securities maturing within 60 days
are valued at cost plus accreted discount, or minus amortized premium, which
approximates value; (d) gains or losses on the sale of securities are calculated
by using the specific identification method; (e) interest income, adjusted for
amortization of premium and accretion of discount, is recorded on an accrual
basis; (f) dividend income is recorded on the ex-dividend date; foreign dividend
income is recorded on the ex-dividend date or as soon as practical after the
Fund determines the existence of a dividend declaration after exercising
reasonable due diligence; (g) direct expenses are charged to each Portfolio and
class; management fees and general Portfolio expenses are allocated on the basis
of relative net assets by class; (h) dividends and distributions to shareholders
are recorded on the ex-dividend date; (i) the accounting records of each
Portfolio are maintained in U.S. dollars. All assets and liabilities denominated
in foreign currencies are translated into U.S. dollars on the date of valuation.
Purchases and sales of securities, and income and expenses are translated at the
rate of exchange quoted on the respective date that such transactions are
recorded. Differences between income or expense amounts recorded and collected
or paid are adjusted when reported by the custodian; (j) the character of income
and gains to be distributed are determined in accordance with income tax
regulations which may differ from generally accepted accounting principles. At
October 31, 1997, reclassifications were made to the capital accounts of the
Portfolios to reflect permanent book/tax differences and income and gains
available for distributions under tax regulations. Accordingly, a portion of net
investment loss amounting to $285,646, $507,347 and $181,481 was reclassified to
paid-in capital for the Emerging Markets, European and Pacific Portfolios,
respectively. Net investment income, net realized gains and net assets were not
affected by these adjustments; (k) each Portfolio intends to comply with the
applicable provisions of the Internal Revenue Code of 1986, as amended,
pertaining to regulated investment companies and to make distributions of
taxable income sufficient to relieve each Portfolio from substantially all
Federal income and excise taxes; and (l) estimates and assumptions are required
to be made regarding assets, liabilities and changes in net assets resulting
from operations when financial statements are prepared. Changes in the economic
environment, financial markets and any other parameters used in determining
these estimates could cause actual results to differ.

- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                31
<PAGE>
 
================================================================================
Notes to Financial Statements (unaudited)(continued)
================================================================================

In addition, the Portfolios may enter into forward exchange contracts in order
to hedge against foreign currency risk. These contracts are marked-to-market
daily by recognizing the difference between the contract exchange rate and the
current market rate as an unrealized gain or loss. Realized gains or losses are
recognized when contracts are settled.

2. Management Agreement and Other Transactions

Mutual Management Corp. ("MMC"), formerly known as Smith Barney Mutual Funds
Management Inc., a subsidiary of Salomon Smith Barney Holdings Inc. ("SSBH"),
acts as investment manager of the Fund. The European and Pacific Portfolios pay
MMC a management fee calculated at an annual rate of 0.85% of the average daily
net assets of each respective Portfolio. The Emerging Markets Portfolio pays
MMCa management fee calculated at an annual rate of 1.00% of the average daily
net assets of the Portfolio. These fees are calculated daily and paid monthly.

Smith Barney Inc. ("SB"), another subsidiary of SSBH, acts as distributor of the
Fund's shares. SB received sales charges of approximately $57,000 on sales of
the Portfolios' Class A shares for the six months ended April 30, 1998.

For the Emerging Markets, European and Pacific Portfolios, there is a contingent
deferred sales charge ("CDSC") of 5.00% on Class B shares, which applies if
redemption occurs within one year from initial purchase. Thereafter this CDSC
declines by 1.00% per year until no CDSC is incurred. Class C shares for each
Portfolio have a 1.00% CDSC, which applies if redemption occurs within the first
year of purchase. In addition, Class A shares for each Portfolio have a 1.00%
CDSC, which applies if redemption occurs within the first year of purchase. This
CDSC only applies to those purchases of Class A shares that equal or exceed
$500,000 in the aggregate. These purchases do not incure an initial sales
charge.

For the six months ended April 30, 1998, CDSCs paid to SB were approximately:

<TABLE>
<CAPTION>
Portfolio                         Class A            Class B            Class C
================================================================================
<S>                                 <C>               <C>                <C>   
Emerging Markets                        --            $49,000            $1,000
- --------------------------------------------------------------------------------
European                                --             22,000             1,000
- --------------------------------------------------------------------------------
Pacific                             $1,000             18,000                --
================================================================================
</TABLE>

Pursuant to a Distribution Plan, the Portfolios pay a service fee with respect
to Class A, B and C shares calculated at the annual rate of 0.25% of the average
daily net assets of each respective class' shares. The Portfolios also pay a
distribution fee with respect to Class B and C shares calculated at the annual
rate of 0.75% of the average daily net assets for each respective Portfolio and
class. For the six months ended April 30, 1998, total Distribution Plan fees
incurred by the Portfolios were:

<TABLE>
<CAPTION>
Portfolio                         Class A            Class B            Class C
================================================================================
<S>                                 <C>               <C>                <C>   
Emerging Markets                    $14,550           $ 74,952           $18,133
- --------------------------------------------------------------------------------
European                             19,424            142,984            14,989
- --------------------------------------------------------------------------------
Pacific                               2,978             16,557             5,630
================================================================================
</TABLE>

All officers and two Directors of the Fund are employees of SB.

3.   Investments

During the six months ended April 30, 1998, the aggregate cost of purchases and
proceeds from sales of investments (including maturities, but excluding
short-term securities) were as follows:

<TABLE>
<CAPTION>
Portfolio                               Purchases                     Sales
================================================================================
<S>                                    <C>                         <C>        
Emerging Markets                       $17,804,397                 $20,709,811
- --------------------------------------------------------------------------------
European                                 5,234,359                   9,961,631
- --------------------------------------------------------------------------------
Pacific                                  5,225,972                   5,105,400
================================================================================
</TABLE>

- --------------------------------------------------------------------------------
32                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
Notes to Financial Statements (unaudited)(continued)
================================================================================

At April 30, 1998, aggregate gross unrealized appreciation and depreciation of
investments for Federal income tax purposes were substantially as follows:

<TABLE>
<CAPTION>
                                                                 Net Unrealized
Portfolio                 Appreciation         Depreciation       Appreciation
================================================================================
<S>                        <C>                   <C>               <C>        
Emerging Markets           $ 3,684,997           $3,305,526        $   379,471
- --------------------------------------------------------------------------------
European                    24,369,736              559,799         23,809,937
- --------------------------------------------------------------------------------
Pacific                        749,519              376,382            373,137
================================================================================
</TABLE>

4. Forward Foreign Currency Contracts

At April 30, 1998, the Portfolios had open forward foreign currency contracts as
described below. The Portfolios bear the market risk that arises from changes in
foreign currency exchange rates. The unrealized gain (loss) on the contracts
reflected in the accompanying financial statements were as follows:

<TABLE>
<CAPTION>
Emerging Markets Portfolio
                                                       Local                 Market             Settlement             Unrealized
Foreign Currency                                     Currency                 Value                Date                   Loss
====================================================================================================================================
<S>                                                   <C>                    <C>                  <C>                     <C>   
To Buy:
South African Rand                                    1,684,116              $332,549             5/5/98                  $(935)
- ------------------------------------------------------------------------------------------------------------------------------------
To Sell:
Hong Kong Dollar                                        569,247                73,484             5/4/98                    (33)
Indonesian Rupiah                                        39,600                     5             5/5/98                     --
- ------------------------------------------------------------------------------------------------------------------------------------
Total Unrealized Loss on
    Forward Foreign Currency Contracts                                                                                    $(968)
====================================================================================================================================
<CAPTION>
European Portfolio
                                                       Local                 Market             Settlement             Unrealized
Foreign Currency                                     Currency                 Value                Date                   Loss
====================================================================================================================================
<S>                                                  <C>                     <C>                  <C>                       <C>   
To Buy:
Spanish Peseta                                       14,000,000              $ 91,876             5/7/98                    $(222)
- ------------------------------------------------------------------------------------------------------------------------------------
Total Unrealized Loss on
    Forward Foreign Currency Contracts                                                                                      $(222)
====================================================================================================================================
<CAPTION>
Pacific Portfolio
                                                       Local                 Market             Settlement             Unrealized
Foreign Currency                                     Currency                 Value                Date                   Loss
====================================================================================================================================
<S>                                                  <C>                     <C>                  <C>                        <C>   
To Buy:
Japanese Yen                                         16,404,000              $124,381             5/12/98                    $353
- ------------------------------------------------------------------------------------------------------------------------------------
Total Unrealized Gain on
    Forward Foreign Currency Contracts                                                                                       $353
====================================================================================================================================
</TABLE>


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                33
<PAGE>
 
================================================================================
Notes to Financial Statements (unaudited)(continued)
================================================================================

5.   Option Contracts

Premiums paid when put or call options are purchased by the Portfolios represent
investments, which are marked-to-market daily. When a purchased option expires,
the Portfolio will realize a loss in the amount of the premium paid. When the
Portfolio enters into a closing sales transaction, the Portfolio will realize a
gain or loss depending on whether the proceeds from the closing sales
transaction are greater or less than the premium paid for the option. When the
Portfolio exercises a put option, it will realize a gain or loss from the sale
of the underlying security and the proceeds from such sale will be decreased by
the amount of the premium originally paid. When the Portfolio exercises a call
option, the cost of the security that the Portfolio purchases upon exercise will
be increased by the premium originally paid.

At April 30, 1998, the Portfolios had no open purchased call or put options.

When a Portfolio writes a call or put option, an amount equal to the premium
received by the Portfolio is recorded as a liability, the value of which is
marked-to-market daily. When a written option expires, the Portfolio realizes a
gain equal to the amount of the premium received. When the Portfolio enters into
a closing purchase transaction, the Portfolio realizes a gain or loss depending
upon whether the cost of the closing transaction is greater or less than the
premium originally received without regard to any unrealized gain or loss on the
underlying security, and the liability related to such option is eliminated.
When a written call option is exercised, the cost of the security sold will be
decreased by the premium originally received. When a written put option is
exercised, the amount of the premium originally received will reduce the cost of
the security that the Portfolio purchased upon exercise. When written index
options are exercised, settlement is made in cash.

The risk associated with purchasing options is limited to the premium originally
paid. The Portfolio enters into options for hedging purposes. The risk in
writing a call option is that the Portfolio gives up the opportunity to
participate in any increase in the price of the underlying security beyond the
exercise price. The risk in writing a put option is that the Portfolio is
exposed to the risk of a loss if the market price of the underlying security
declines.

During the six months ended April 30, 1998, the Portfolios did not write any
call or put options.

6.   Futures Contracts

Initial margin deposits made upon entering into futures contracts are recognized
as assets. Securities equal to the initial margin amount are segregated by the
custodian in the name of the broker. Additional securities are also segregated
up to the current market value of the futures contract. During the period the
futures contract is open, changes in the value of the contract are recognized as
unrealized gains or losses by "marking-to-market" on a daily basis to reflect
the market value of the contract at the end of each day's trading. Variation
margin payments are received or made and recognized as assets due from or
liabilities due to broker, depending upon whether unrealized gains or losses are
incurred. When the contract is closed, the Portfolio records a realized gain or
loss equal to the difference between the proceeds from (or cost of) the closing
transactions and the Portfolio's basis in the contract. The Portfolio enters
into such contracts to hedge a portion of its portfolio. The Portfolio bears the
market risk that arises from changes in the value of the financial instruments
and securities indices (futures contracts).

At April 30, 1998, the Portfolios had no open futures contracts.

7.   Concentration of Risk

The Portfolios' investments in foreign securities may involve risks not present
in domestic investments. Since securities may be denominated in a foreign
currency


- --------------------------------------------------------------------------------
34                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
Notes to Financial Statements (unaudited)(continued)
================================================================================

and may require settlement in foreign currencies and pay interest or dividends
in foreign currencies, changes in the relationship of these foreign currencies
to the U.S. dollar can significantly affect the value of the investments and
earnings of each of the Portfolios. Foreign investments may also subject the
Portfolios to foreign government exchange restrictions, expropriation, taxation
or other political, social or economic developments, all of which could affect
the market and/or credit risk of the investments.

In addition to the risks described above, risks may arise from forward foreign
currency contracts with respect to the potential inability of counterparties to
meet the terms of their contracts.

8.   Capital Loss Carryforwards

At October 31, 1997, the Emerging Markets and Pacific Portfolios had, for
Federal income tax purposes, approximately $925,000 and $2,224,000,
respectively, of capital loss carryforwards available to offset future realized
gains. To the extent that these carryforward losses are used to offset gains, it
is probable that the gains so offset will not be distributed. The amount and
date of expiration of the carryforward losses for each Portfolio is indicated
below:

<TABLE>
<CAPTION>
Portfolio                                      10/31/02         10/31/03            10/31/04           10/31/05             Total
====================================================================================================================================
<S>                                             <C>             <C>                  <C>                <C>              <C>      
Emerging Markets                                     --         $   46,000                 --           $879,000         $  925,000
- ------------------------------------------------------------------------------------------------------------------------------------
Pacific                                         $37,000          1,426,000           $246,000            515,000          2,224,000
====================================================================================================================================
</TABLE>

9.   Lending of Portfolio Securities

The Portfolios have an agreement with their custodian whereby the custodian may
lend securities owned by the Portfolios to brokers, dealers and other financial
organizations. Fees earned by the Portfolios on securities lending are recorded
as interest income. Loans of securities by the Portfolios are collateralized by
cash, U.S. government securities or high quality money market instruments that
are maintained at all times in an amount at least equal to the current market
value of the loaned securities, plus a margin depending on the type of
securities loaned. The custodian establishes and maintains the collateral in a
segregated account. The Portfolios maintain exposure for the risk of any losses
in the investment of amounts received as collateral.

At April 30, 1998, the Emerging Markets, European and Pacific Portfolios loaned
common stock having a value of approximately $4,257,859, $8,272,388 and
$516,833, respectively, and the Portfolios hold the following collateral for
loaned securities:

<TABLE>
<CAPTION>
Emerging Markets Portfolio
Security Description                                                                                                       Value
====================================================================================================================================
<S>                                                                                                                     <C>      
Bank of Montreal, Montreal Time Deposit, 5.625% due 5/1/98                                                              $  206,035
- ------------------------------------------------------------------------------------------------------------------------------------
Bear Stearns Repurchase Agreement, 5.600% due 5/1/98                                                                       869,926
- ------------------------------------------------------------------------------------------------------------------------------------
Commerzbank AG, Frankfurt Time Deposit, 5.59375% due 5/1/98                                                                206,035
- ------------------------------------------------------------------------------------------------------------------------------------
CS First Boston Repurchase Agreement, 5.570% due 5/1/98                                                                    869,926
- ------------------------------------------------------------------------------------------------------------------------------------
Deutsche Bank Grand Cayman Time Deposit, 5.625% due 5/1/98                                                                 206,035
- ------------------------------------------------------------------------------------------------------------------------------------
J.P. Morgan Securities Repurchase Agreement, 5.580% due 5/1/98                                                             633,493
- ------------------------------------------------------------------------------------------------------------------------------------
Merrill Lynch Repurchase Agreement, 5.625% due 5/1/98                                                                      297,607
- ------------------------------------------------------------------------------------------------------------------------------------
NationsBanc Montgomery Securities Inc. Repurchase Agreement, 5.6125% due 5/1/98                                            695,941
- ------------------------------------------------------------------------------------------------------------------------------------
Svenska Grand Cayman Time Deposit, 5.625% due 5/1/98                                                                       206,035
- ------------------------------------------------------------------------------------------------------------------------------------
UBS, Grand Cayman Time Deposit, 5.625% due 5/1/98                                                                          206,035
====================================================================================================================================
Total                                                                                                                   $4,397,068
====================================================================================================================================
</TABLE>

- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                35
<PAGE>
 
================================================================================
Notes to Financial Statements (unaudited)(continued)
================================================================================

<TABLE>
<CAPTION>
European Portfolio
Security Description                                                                                                      Value
====================================================================================================================================
<S>                                                                                                                     <C>       
Bank of Montreal, Montreal Time Deposit, 5.625% due 5/1/98                                                              $  394,203
- ------------------------------------------------------------------------------------------------------------------------------------
Bear Stearns Repurchase Agreement, 5.600% due 5/1/98                                                                     1,664,412
- ------------------------------------------------------------------------------------------------------------------------------------
Commerzbank AG, Frankfurt Time Deposit, 5.59375% due 5/1/98                                                                394,203
- ------------------------------------------------------------------------------------------------------------------------------------
CS First Boston Repurchase Agreement, 5.570% due 5/1/98                                                                  1,664,412
- ------------------------------------------------------------------------------------------------------------------------------------
Deutsche Bank Grand Cayman Time Deposit, 5.625% due 5/1/98                                                                 394,203
- ------------------------------------------------------------------------------------------------------------------------------------
J.P. Morgan Securities Repurchase Agreement, 5.580% due 5/1/98                                                           1,212,050
- ------------------------------------------------------------------------------------------------------------------------------------
Merrill Lynch Repurchase Agreement, 5.625% due 5/1/98                                                                      569,404
- ------------------------------------------------------------------------------------------------------------------------------------
NationsBanc Montgomery Securities Inc. Repurchase Agreement, 5.6125% due 5/1/98                                          1,331,529
- ------------------------------------------------------------------------------------------------------------------------------------
Svenska Grand Cayman Time Deposit, 5.625% due 5/1/98                                                                       394,203
- ------------------------------------------------------------------------------------------------------------------------------------
UBS, Grand Cayman Time Deposit, 5.625% due 5/1/98                                                                          394,203
====================================================================================================================================
Total                                                                                                                   $8,412,822
====================================================================================================================================
<CAPTION>
Pacific Portfolio
Security Description                                                                                                       Value
====================================================================================================================================
<S>                                                                                                                       <C>     
Bank of Montreal, Montreal Time Deposit, 5.625% due 5/1/98                                                                $ 25,663
- ------------------------------------------------------------------------------------------------------------------------------------
Bear Stearns Repurchase Agreement, 5.600% due 5/1/98                                                                       108,354
- ------------------------------------------------------------------------------------------------------------------------------------
Commerzbank AG, Frankfurt Time Deposit, 5.59375% due 5/1/98                                                                 25,663
- ------------------------------------------------------------------------------------------------------------------------------------
CS First Boston Repurchase Agreement, 5.570% due 5/1/98                                                                    108,354
- ------------------------------------------------------------------------------------------------------------------------------------
Deutsche Bank Grand Cayman Time Deposit, 5.625% due 5/1/98                                                                  25,663
- ------------------------------------------------------------------------------------------------------------------------------------
J.P. Morgan Securities Repurchase Agreement, 5.580% due 5/1/98                                                              78,905
- ------------------------------------------------------------------------------------------------------------------------------------
Merrill Lynch Repurchase Agreement, 5.625% due 5/1/98                                                                       37,069
- ------------------------------------------------------------------------------------------------------------------------------------
NationsBanc Montgomery Securities Inc. Repurchase Agreement, 5.6125% due 5/1/98                                             86,683
- ------------------------------------------------------------------------------------------------------------------------------------
Svenska Grand Cayman Time Deposit, 5.625% due 5/1/98                                                                        25,663
- ------------------------------------------------------------------------------------------------------------------------------------
UBS, Grand Cayman Time Deposit, 5.625% due 5/1/98                                                                           25,663
====================================================================================================================================
Total                                                                                                                     $547,680
====================================================================================================================================
</TABLE>

10.  Capital Shares

At April 30, 1998, the Fund had one billion shares of capital stock authorized
with a par value of $0.001 per share. The Portfolios have the ability to issue
multiple classes of shares. Each share of a class represents an identical legal
interest in a Portfolio and has the same rights, except that each class bears
certain expenses specifically related to the distribution of its shares.

At April 30, 1998, total paid-in capital amounted to the following for each
Portfolio:

<TABLE>
<CAPTION>
Portfolio                    Class A       Class B       Class C       Class Y
================================================================================
<S>                        <C>           <C>           <C>           <C>        
Emerging Markets           $11,067,790   $14,675,781   $ 3,644,994   $   111,014
- --------------------------------------------------------------------------------
European                    11,415,282    15,426,665     3,035,791            --
- --------------------------------------------------------------------------------
Pacific                      3,723,321     3,611,960     1,820,172            --
================================================================================
</TABLE>


- --------------------------------------------------------------------------------
36                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
Notes to Financial Statements (unaudited)(continued)
================================================================================

Transactions in shares of each class were as follows:

<TABLE>
<CAPTION>
                                                                 Six Months Ended                              Year Ended
                                                                  April 30, 1998                            October 31, 1997
                                                          --------------------------------          --------------------------------
                                                             Shares              Amount               Shares              Amount
====================================================================================================================================
<S>                                                       <C>                <C>                    <C>                <C>         
Emerging Markets Portfolio
Class A
Shares sold                                                  542,472         $  6,449,008              976,387         $ 14,159,665
Shares redeemed                                             (780,201)          (9,267,713)            (732,804)         (10,604,436)
- ------------------------------------------------------------------------------------------------------------------------------------
Net Increase (Decrease)                                     (237,729)        $ (2,818,705)             243,583         $  3,555,229
====================================================================================================================================
Class B
Shares sold                                                  246,229         $  2,869,563            1,261,047         $ 17,982,006
Shares redeemed                                             (563,877)          (6,523,312)            (871,681)         (12,363,356)
- ------------------------------------------------------------------------------------------------------------------------------------
Net Increase (Decrease)                                     (317,648)        $ (3,653,749)             389,366         $  5,618,650
====================================================================================================================================
Class C
Shares sold                                                   40,374         $    479,641              212,076         $  2,996,812
Shares redeemed                                             (114,737)          (1,320,247)             (62,423)            (865,389)
- ------------------------------------------------------------------------------------------------------------------------------------
Net Increase (Decrease)                                      (74,363)        $   (840,606)             149,653         $  2,131,423
====================================================================================================================================
Class Y*
Shares sold                                                    9,026         $    111,014                   --                   --
Shares redeemed                                                   --                   --                   --                   --
- ------------------------------------------------------------------------------------------------------------------------------------
Net Increase                                                   9,026         $    111,014                   --                   --
====================================================================================================================================

European Portfolio
Class A
Shares sold                                                1,042,305         $ 20,168,994              753,014         $ 13,546,213
Shares issued on reinvestment                                 17,388              292,645               39,393              670,082
Shares redeemed                                             (937,579)         (18,048,574)            (628,399)         (11,429,037)
- ------------------------------------------------------------------------------------------------------------------------------------
Net Increase                                                 122,114         $  2,413,065              164,008         $  2,787,258
====================================================================================================================================
Class B
Shares sold                                                1,385,915         $ 26,130,606            2,437,568         $ 43,249,301
Shares issued on reinvestment                                 34,196              564,579              100,838            1,696,102
Shares redeemed                                           (1,527,717)         (28,671,128)          (2,451,593)         (43,812,735)
- ------------------------------------------------------------------------------------------------------------------------------------
Net Increase (Decrease)                                     (107,606)        $ (1,975,943)              86,813         $  1,132,668
====================================================================================================================================
Class C
Shares sold                                                  131,464         $  2,615,314              148,958         $  2,675,601
Shares issued on reinvestment                                  3,496               57,537                8,322              139,567
Shares redeemed                                             (110,036)          (2,053,332)            (101,215)          (1,836,249)
- ------------------------------------------------------------------------------------------------------------------------------------
Net Increase                                                  24,924         $    619,519               56,065         $    978,919
====================================================================================================================================
</TABLE>

*    For the period from March 10, 1998 (inception date) to April 30, 1998.


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                37
<PAGE>
 
================================================================================
Notes to Financial Statements (unaudited)(continued)
================================================================================

<TABLE>
<CAPTION>
                                                             Six Months Ended                                Year Ended
                                                              April 30, 1998                               October 31, 1997
                                                    ----------------------------------            ----------------------------------
                                                      Shares                Amount                  Shares                Amount
====================================================================================================================================
<S>                                                 <C>                  <C>                      <C>                  <C>         
Pacific Portfolio
Class A
Shares sold                                          1,655,883           $ 12,807,624                727,722           $  7,499,628
Shares redeemed                                     (1,927,285)           (15,304,496)              (650,293)            (7,183,758)
- ------------------------------------------------------------------------------------------------------------------------------------
Net Increase (Decrease)                               (271,402)          $ (2,496,872)                77,429           $    315,870
====================================================================================================================================
Class B
Shares sold                                            239,680           $  1,867,803              1,620,231           $ 16,776,361
Shares redeemed                                       (288,615)            (2,215,283)            (1,589,348)           (16,734,838)
- ------------------------------------------------------------------------------------------------------------------------------------
Net Increase (Decrease)                                (48,935)          $   (347,480)                30,883           $     41,523
====================================================================================================================================
Class C
Shares sold                                            179,534           $  1,352,284                336,933           $  3,519,057
Shares redeemed                                       (230,819)            (1,768,772)              (316,621)            (3,354,006)
- ------------------------------------------------------------------------------------------------------------------------------------
Net Increase (Decrease)                                (51,285)          $   (416,488)                20,312           $    165,051
====================================================================================================================================
</TABLE>


- --------------------------------------------------------------------------------
38                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
Financial Highlights
================================================================================

For a share of each class of capital stock outstanding throughout each period:

<TABLE>
<CAPTION>
                                                                                         Class A Shares
                                                             -----------------------------------------------------------------------
Emerging Markets Portfolio                                   1998(1)(2)            1997(2)             1996               1995(3)
====================================================================================================================================
<S>                                                           <C>                  <C>                <C>                 <C>   
Net Asset Value, Beginning of Period                           $12.45               $12.08             $11.06             $12.00
- ------------------------------------------------------------------------------------------------------------------------------------
Income (Loss) From Operations:
   Net investment loss(4)                                       (0.03)               (0.05)             (0.02)           (0.05)#
   Net realized and unrealized gain (loss)                      (0.33)                0.42               1.04              (0.89)
- ------------------------------------------------------------------------------------------------------------------------------------
Total Income (Loss) From Operations                             (0.36)                0.37               1.02              (0.94)
- ------------------------------------------------------------------------------------------------------------------------------------
Less Distributions From:
   Net investment income                                           --                   --                 --                 --
- ------------------------------------------------------------------------------------------------------------------------------------
Total Distributions                                                --                   --                 --                 --
- ------------------------------------------------------------------------------------------------------------------------------------
Net Asset Value, End of Period                                 $12.09               $12.45             $12.08             $11.06
- ------------------------------------------------------------------------------------------------------------------------------------
Total Return                                                    (2.89)%++             3.06%              9.22%             (7.83)%++
- ------------------------------------------------------------------------------------------------------------------------------------
Net Assets, End of Period (000s)                              $10,764              $14,046            $10,691             $7,069
- ------------------------------------------------------------------------------------------------------------------------------------
Ratio to Average Net Assets:
   Expenses(4)                                                   2.02%+               2.11%              2.25%              1.45%+
   Net investment loss                                          (0.73)+              (0.34)             (0.19)             (0.63)+
- ------------------------------------------------------------------------------------------------------------------------------------
Portfolio Turnover Rate                                            61%                  99%                78%                17%
- ------------------------------------------------------------------------------------------------------------------------------------
Average commissions per share
   on equity transactions(5)(6)                                 $0.00*               $0.00*             $0.00*             $0.00*
====================================================================================================================================
</TABLE>

(1)  For the six months ended April 30, 1998 (unaudited).
(2)  Per share amounts have been calculated using the monthly average shares
     method, rather than the undistributed net investment income method, because
     it more accurately reflects the per share data for the period.
(3)  For the period from May 12, 1995 (inception date) to October 31, 1995.
(4)  The Manager waived all or part of its fees for the period ended October 31,
     1995. If such fees were not waived, the per share effect on net investment
     loss and the expense ratio would have been as follows:
<TABLE>
<CAPTION>
                                Per Share Increase              Expense Ratio
                              to Net Investment Loss         Without Fee Waivers
                              ----------------------         -------------------
                                       1995                         1995
                                       ----                         ----
<S>                                    <C>                          <C>   
     Class A                           $0.05                        2.12%+
</TABLE>
     In addition, during the year ended October 31, 1996 and the period ended
     October 31, 1995, the Portfolio had earned credits from the custodian which
     reduced service fees incurred. If the credits are taken into consideration,
     the expense ratios for Class A would have been 2.16% and 1.20%
     (annualized), respectively.
(5)  As of September 1995, the SEC instituted new guidelines requiring the
     disclosure of average commissions per share.
(6)  Trades executed in the United States and Canada have an average commission
     rate of $0.06 per share. Commission on trades executed outside these
     countries are generally executed as a percentage of cost or proceeds
     ranging from 0.5% to 1.0%.
 #   Includes realized gains and losses on foreign currency transactions.
 *   Amount represents less than $0.01 per share.
++   Total return is not annualized, as it may not be representative of the
     total return for the year.
 +   Annualized.

- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                39
<PAGE>
 
================================================================================
Financial Highlights (continued)
================================================================================

For a share of each class of capital stock outstanding throughout each period:

<TABLE>
<CAPTION>
                                                                                          Class B Shares
                                                             -----------------------------------------------------------------------
Emerging Markets Portfolio                                   1998(1)(2)            1997(2)              1996              1995(3)
====================================================================================================================================
<S>                                                           <C>                  <C>                <C>                 <C>   
Net Asset Value, Beginning of Period                           $12.21               $11.95             $11.02             $12.00
- ------------------------------------------------------------------------------------------------------------------------------------
Income (Loss) From Operations:
   Net investment loss(4)                                       (0.11)               (0.14)             (0.10)           (0.09)#
   Net realized and unrealized gain (loss)                      (0.29)                0.40               1.03              (0.89)
- ------------------------------------------------------------------------------------------------------------------------------------
Total Income (Loss) From Operations                             (0.40)                0.26               0.93              (0.98)
- ------------------------------------------------------------------------------------------------------------------------------------
Less Distributions From:
   Net investment income                                           --                   --                 --                 --
- ------------------------------------------------------------------------------------------------------------------------------------
Total Distributions                                                --                   --                 --                 --
- ------------------------------------------------------------------------------------------------------------------------------------
Net Asset Value, End of Period                                 $11.81               $12.21             $11.95             $11.02
- ------------------------------------------------------------------------------------------------------------------------------------
Total Return                                                    (3.28)%++             2.18%              8.44%             (8.17)%++
- ------------------------------------------------------------------------------------------------------------------------------------
Net Assets, End of Period (000s)                              $13,764              $18,107            $13,062             $7,630
- ------------------------------------------------------------------------------------------------------------------------------------
Ratio to Average Net Assets:
   Expenses(4)                                                   2.77%+               2.88%              3.06%              2.00%+
   Net investment loss                                          (1.48)+              (1.00)             (0.94)             (1.17)+
- ------------------------------------------------------------------------------------------------------------------------------------
Portfolio Turnover Rate                                            61%                  99%                78%                17%
- ------------------------------------------------------------------------------------------------------------------------------------
Average commissions per share
   on equity transactions(5)(6)                                 $0.00*               $0.00*             $0.00*             $0.00*
====================================================================================================================================
</TABLE>

(1)  For the six months ended April 30, 1998 (unaudited).
(2)  Per share amounts have been calculated using the monthly average shares
     method, rather than the undistributed net investment income method, because
     it more accurately reflects the per share data for the period.
(3)  For the period from May 12, 1995 (inception date) to October 31, 1995.
(4)  The Manager waived all or part of its fees for the period ended October 31,
     1995. If such fees were not waived, the per share effect on net investment
     loss and the expense ratio would have been as follows:
<TABLE>
<CAPTION>
                                Per Share Increase              Expense Ratio
                              to Net Investment Loss         Without Fee Waivers
                              ----------------------         -------------------
                                       1995                         1995
                                       ----                         ----
<S>                                    <C>                           <C>   
     Class B                           $0.05                         2.68%+
</TABLE>

     In addition, during the year ended October 31, 1996 and the period ended
     October 31, 1995, the Portfolio had earned credits from the custodian which
     reduced service fees incurred. If the credits are taken into consideration,
     the expense ratios for Class B would have been 2.97% and 1.74%
     (annualized), respectively.
(5)  As of September 1995, the SEC instituted new guidelines requiring the
     disclosure of average commissions per share.
(6)  Trades executed in the United States and Canada have an average commission
     rate of $0.06 per share. Commission on trades executed outside these
     countries are generally executed as a percentage of cost or proceeds
     ranging from 0.5% to 1.0%.
 #   Includes realized gains and losses on foreign currency transactions.
 *   Amount represents less than $0.01 per share.
++   Total return is not annualized, as it may not be representative of the
     total return for the year.
 +   Annualized.


- --------------------------------------------------------------------------------
40                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
Financial Highlights (continued)
================================================================================

For a share of each class of capital stock outstanding throughout each period:

<TABLE>
<CAPTION>
                                                                                          Class C Shares
                                                            ------------------------------------------------------------------------
Emerging Markets Portfolio                                  1998(1)(2)             1997(2)              1996              1995(3)
====================================================================================================================================
<S>                                                          <C>                    <C>                 <C>              <C>   
Net Asset Value, Beginning of Period                         $12.22                 $11.95              $11.02            $12.00
- ------------------------------------------------------------------------------------------------------------------------------------
Income (Loss) From Operations:
   Net investment loss(4)                                     (0.11)                 (0.15)              (0.10)          (0.08)#
   Net realized and unrealized gain (loss)                    (0.29)                  0.42                1.03             (0.90)
- ------------------------------------------------------------------------------------------------------------------------------------
Total Income (Loss) From Operations                           (0.40)                  0.27                0.93             (0.98)
- ------------------------------------------------------------------------------------------------------------------------------------
Less Distributions From:
   Net investment income                                         --                     --                  --                --
- ------------------------------------------------------------------------------------------------------------------------------------
Total Distributions                                              --                     --                  --                --
- ------------------------------------------------------------------------------------------------------------------------------------
Net Asset Value, End of Period                               $11.82                 $12.22              $11.95            $11.02
- ------------------------------------------------------------------------------------------------------------------------------------
Total Return                                                  (3.27)%++               2.26%               8.44%            (8.17)%++
- ------------------------------------------------------------------------------------------------------------------------------------
Net Assets, End of Period (000s)                             $3,312                 $4,332              $2,448            $1,604
- ------------------------------------------------------------------------------------------------------------------------------------
Ratio to Average Net Assets:
   Expenses(4)                                                 2.73%+                 2.86%               3.02%             1.95%+
   Net investment loss                                        (1.44)+                (1.03)              (0.92)            (1.08)+
- ------------------------------------------------------------------------------------------------------------------------------------
Portfolio Turnover Rate                                          61%                    99%                 78%               17%
- ------------------------------------------------------------------------------------------------------------------------------------
Average commissions per share
   on equity transactions(5)(6)                               $0.00*                 $0.00*              $0.00*            $0.00*
====================================================================================================================================
</TABLE>

(1)  For the six months ended April 30, 1998 (unaudited).
(2)  Per share amounts have been calculated using the monthly average shares
     method, rather than the undistributed net investment income method, because
     it more accurately reflects the per share data for the period.
(3)  For the period from May 12, 1995 (inception date) to October 31, 1995.
(4)  The Manager waived all or part of its fees for the period ended October 31,
     1995. If such fees were not waived, the per share effect on net investment
     loss and the expense ratio would have been as follows:
<TABLE>
<CAPTION>
                                Per Share Increase              Expense Ratio
                              to Net Investment Loss         Without Fee Waivers
                              ----------------------         -------------------
                                       1995                         1995
                                       ----                         ----
<S>                                   <C>                           <C>   
     Class C                          $0.05                         2.61%+
</TABLE>
     In addition, during the year ended October 31, 1996 and the period ended
     October 31, 1995, the Portfolio had earned credits from the custodian which
     reduced service fees incurred. If the credits are taken into consideration,
     the expense ratios for Class C would have been 2.92% and 1.70%
     (annualized), respectively.
(5)  As of September 1995, the SEC instituted new guidelines requiring the
     disclosure of average commissions per share.
(6)  Trades executed in the United States and Canada have an average commission
     rate of $0.06 per share. Commission on trades executed outside these
     countries are generally executed as a percentage of cost or proceeds
     ranging from 0.5% to 1.0%.
 #   Includes realized gains and losses on foreign currency transactions.
 *   Amount represents less than $0.01 per share.
++   Total return is not annualized, as it may not be representative of the
     total return for the year.
 +   Annualized.


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                41
<PAGE>
 
================================================================================
Financial Highlights (continued)
================================================================================

For a share of each share of capital stock outstanding throughout the period:

<TABLE>
<CAPTION>
                                                                  Class Y Shares
                                                                  --------------
Emerging Markets Portfolio                                          1998(1)(2)
================================================================================
<S>                                                                   <C>   
Net Asset Value, Beginning of Period                                  $12.16
- --------------------------------------------------------------------------------
Loss From Operations:
   Net investment income                                                0.05
   Net realized and unrealized loss                                    (0.11)
- --------------------------------------------------------------------------------
Total Loss From Operations                                             (0.06)
- --------------------------------------------------------------------------------
Less Distributions From:
   Net investment income                                                  --
- --------------------------------------------------------------------------------
Total Distributions                                                       --
- --------------------------------------------------------------------------------
Net Asset Value, End of Period                                        $12.10
- --------------------------------------------------------------------------------
Total Return++                                                         (0.49)%
- --------------------------------------------------------------------------------
Net Assets, End of Period (000s)                                        $109
- --------------------------------------------------------------------------------
Ratio to Average Net Assets+:
   Expenses                                                             0.86%
   Net investment income                                                0.82
- --------------------------------------------------------------------------------
Portfolio Turnover Rate                                                   61%
- --------------------------------------------------------------------------------
Average commissions per share
   on equity transactions(3)                                           $0.00*
================================================================================
</TABLE>

(1)  For the period from March 10, 1998 (inception date) to April 30, 1998
     (unaudited).
(2)  Per share amounts have been calculated using the monthly average shares
     method, rather than the undistributed net investment income method, because
     it more accurately reflects the per share data for the period.
(3)  Trades executed in the United States and Canada have a average commission
     rate of $0.06 per share. Commission on trades executed outside these
     countries are generally executed as a percentage of cost or proceeds
     ranging from 0.5% to 1.0%.
 *   Amount represents less than $0.01 per share.
++   Total return is not annualized, as it may not be representative of the
     total return for the year.
 +   Annualized.


- --------------------------------------------------------------------------------
42                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
Financial Highlights (continued)
================================================================================

For a share of each class of capital stock outstanding throughout each period:

<TABLE>
<CAPTION>
                                                                                        Class A Shares
                                                    --------------------------------------------------------------------------------
European Portfolio                                  1998(1)(2)          1997(2)           1996             1995            1994(3)
====================================================================================================================================
<S>                       <C>                        <C>                <C>              <C>              <C>              <C>   
Net Asset Value, Beginning of Period                  $18.23             $17.25           $14.67           $12.88          $12.50
- ------------------------------------------------------------------------------------------------------------------------------------
Income From Operations:
   Net investment income (loss)(4)                     (0.07)             (0.08)           (0.08)            0.07           (0.11)
   Net realized and unrealized gain                     4.30               2.22             2.79             1.72            0.49
- ------------------------------------------------------------------------------------------------------------------------------------
Total Income From Operations                            4.23               2.14             2.71             1.79            0.38
- ------------------------------------------------------------------------------------------------------------------------------------
Less Distributions From:
   Net investment income                                  --                 --            (0.09)              --              --
   Net realized gains                                  (0.39)             (1.16)           (0.04)              --              --
- ------------------------------------------------------------------------------------------------------------------------------------
Total Distributions                                    (0.39)             (1.16)           (0.13)              --              --
- ------------------------------------------------------------------------------------------------------------------------------------
Net Asset Value, End of Period                        $22.07             $18.23           $17.25           $14.67          $12.88
- ------------------------------------------------------------------------------------------------------------------------------------
Total Return                                           23.86%++           12.88%           18.65%           13.90%           3.04%++
- ------------------------------------------------------------------------------------------------------------------------------------
Net Assets, End of Period (000s)                     $19,792            $14,118          $10,528          $11,870          $5,189
- ------------------------------------------------------------------------------------------------------------------------------------
Ratios to Average Net Assets:
   Expenses(4)                                          1.72%+             1.80%            1.85%            2.06%           1.34%+
   Net investment income (loss)                        (0.66)+            (0.42)           (0.49)            0.51           (1.12)+
- ------------------------------------------------------------------------------------------------------------------------------------
Portfolio Turnover Rate                                   11%                28%              39%              34%             21%
- ------------------------------------------------------------------------------------------------------------------------------------
Average commissions per share
   paid on equity transactions(5)(6)                   $0.07              $0.07            $0.05            $0.06              --
====================================================================================================================================
</TABLE>

(1)  For the six months ended April 30, 1998 (unaudited).
(2)  Per share amounts have been calculated using the monthly average shares
     method, rather than the undistributed net investment income method, because
     it more accurately reflects the per share data for the period.
(3)  For the period from February 7, 1994 (inception date) to October 31, 1994.
(4)  The Manager waived all or part of its fees for the year ended October 31,
     1995 and the period ended October 31, 1994. In addition, the manager agreed
     to reimburse the European Portfolio for $10,344 of the Portfolio's expenses
     for the period ended October 31, 1994. If such fees and expenses were not
     waived or reimbursed, the per share effect on net investment income and the
     expense ratios would have been as follows:
<TABLE>
<CAPTION>
                                                               Expense Ratios
                              Per Share Decreases to         Without Fee Waivers
                               Net Investment Income         and Custody Credits
                               ---------------------         -------------------
                                 1995         1994           1995         1994
                                 ----         ----           ----         ----
<S>                             <C>          <C>             <C>         <C>   
     Class A                    $0.01        $0.10           2.09%       2.37%+
</TABLE>
     In addition, during the years ended October 31, 1996 and October 31, 1995,
     the Portfolio had earned credits from the custodian which reduced service
     fees incurred. If the credits are taken into consideration, the expense
     ratios for Class A would have been 1.82% and 2.02%, respectively; numbers
     prior to October 31, 1995 have not been restated to reflect these credits.
(5)  As of September 1995, the SEC instituted new guidelines requiring the
     disclosure of average commissions per share.
(6)  Trades executed in the United States and Canada are executed at an average
     commission rate of $0.06 per share. Commission on trades executed outside
     these countries generally are executed as a percentage of cost or proceeds
     ranging from 0.50% to 1.00%. The European Portfolio paid commissions which
     equaled an average rate of 0.30% on the total of either cost or proceeds on
     executed trades, which is below the average range. While the amount of
     commissions paid is reasonable on a percentage basis, the commission per
     share amount appears high because these securities were trading at a very
     large dollar amount per share, which is atypical of the way U.S. or
     Canadian companies' shares trade. As a result, since less shares trade for
     a comparable dollar amount than would ordinarily be the case in the U.S. or
     Canada, the commission per share amount skewed upward.
++   Total return is not annualized, as it may not be representative of the
     total return for the year.
 +   Annualized.


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                43
<PAGE>
 
================================================================================
Financial Highlights (continued)
================================================================================

For a share of each class of capital stock outstanding throughout each period:

<TABLE>
<CAPTION>
                                                                                           Class B Shares
                                                              ----------------------------------------------------------------------
European Portfolio                                            1998(1)(2)            1997(2)             1996              1995(3)
====================================================================================================================================
<S>                                                            <C>                  <C>                <C>                <C>    
Net Asset Value, Beginning of Period                            $17.92               $17.09             $14.56             $12.62
- ------------------------------------------------------------------------------------------------------------------------------------
Income From Operations:
   Net investment income (loss)(4)                               (0.14)               (0.20)             (0.20)              0.02
   Net realized and unrealized gain                               4.21                 2.19               2.77               1.92
- ------------------------------------------------------------------------------------------------------------------------------------
Total Income From Operations                                      4.07                 1.99               2.57               1.94
- ------------------------------------------------------------------------------------------------------------------------------------
Less Distributions From:
   Net realized gains                                            (0.39)               (1.16)             (0.04)                --
- ------------------------------------------------------------------------------------------------------------------------------------
Total Distributions                                              (0.39)               (1.16)             (0.04)                --
- ------------------------------------------------------------------------------------------------------------------------------------
Net Asset Value, End of Period                                  $21.60               $17.92             $17.09             $14.56
- ------------------------------------------------------------------------------------------------------------------------------------
Total Return                                                     23.38%++             12.08%             17.72%             15.37%++
- ------------------------------------------------------------------------------------------------------------------------------------
Net Assets, End of Period (000s)                               $32,903              $29,221            $26,384            $24,825
- ------------------------------------------------------------------------------------------------------------------------------------
Ratios to Average Net Assets:
   Expenses(4)                                                    2.52%+               2.52%              2.59%              3.31%+
   Net investment income (loss)                                  (1.54)+              (1.13)             (1.22)              0.26+
- ------------------------------------------------------------------------------------------------------------------------------------
Portfolio Turnover Rate                                             11%                  28%                39%                34%
- ------------------------------------------------------------------------------------------------------------------------------------
Average commissions per share
   paid on equity transactions(5)(6)                             $0.07                $0.07              $0.05              $0.06
====================================================================================================================================
</TABLE>

(1)  For the six months ended April 30, 1998 (unaudited).
(2)  Per share amounts have been calculated using the monthly average shares
     method, rather than the undistributed net investment income method, because
     it more accurately reflects the per share data for the period.
(3)  For the period from November 7, 1994 (inception date) to October 31, 1995.
(4)  The Manager waived all or part of its fees for the year ended October 31,
     1995. If such fees were not waived, the per share effect on net investment
     income and the expense ratio would have been as follows:

                                                                Expense Ratio
                               Per Share Decrease to         Without Fee Waivers
                               Net Investment Income         and Custody Credits
                               ---------------------         -------------------
                                       1995                         1995
                                       ----                         ----
     Class B                          $0.00*                        3.35%+

     In addition, during the year ended October 31, 1996 and the period ended
     October 31, 1995, the Portfolio had earned credits from the custodian which
     reduced service fees incurred. If the credits are taken into consideration,
     the expense ratios for Class B would have been 2.56% and 3.26%
     (annualized), respectively; numbers prior to October 31, 1995 have not been
     restated to reflect these credits.
(5)  As of September 1995, the SEC instituted new guidelines requiring the
     disclosure of average commissions per share.
(6)  Trades executed in the United States and Canada are executed at an average
     commission rate of $0.06 per share. Commission on trades executed outside
     these countries generally are executed as a percentage of cost or proceeds
     ranging from 0.50% to 1.00%. The European Portfolio paid commissions which
     equaled an average rate of 0.30% on the total of either cost or proceeds on
     executed trades, which is below the average range. While the amount of
     commissions paid is reasonable on a percentage basis, the commission per
     share amount appears high because these securities were trading at a very
     large dollar amount per share, which is atypical of the way U.S. or
     Canadian companies' shares trade. As a result, since less shares trade for
     a comparable dollar amount than would ordinarily be the case in the U.S. or
     Canada, the commission per share amount skewed upward.
 *   Amount represents less than $0.01 per share.
++   Total return is not annualized, as it may not be representative of the
     total return for the year.
 +   Annualized.


- --------------------------------------------------------------------------------
44                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
Financial Highlights (continued)
================================================================================

For a share of each class of capital stock outstanding throughout each period:

<TABLE>
<CAPTION>
                                                                                      Class C Shares
                                                       -----------------------------------------------------------------------------
European Portfolio                                     1998(1)(2)         1997(2)          1996           1995(3)         1994(4)
====================================================================================================================================
<S>                                                     <C>               <C>             <C>             <C>             <C>   
Net Asset Value, Beginning of Period                    $17.86            $17.04          $14.51          $12.83          $12.48
- ------------------------------------------------------------------------------------------------------------------------------------
Income From Operations:
   Net investment loss(5)                                (0.13)            (0.21)          (0.14)          (0.08)          (0.16)
   Net realized and unrealized gain                       4.21              2.19            2.71            1.76            0.51
- ------------------------------------------------------------------------------------------------------------------------------------
Total Income From Operations                              4.08              1.98            2.57            1.68            0.35
- ------------------------------------------------------------------------------------------------------------------------------------
Less Distributions From:
   Net realized gains                                    (0.39)            (1.16)          (0.04)             --              --
- ------------------------------------------------------------------------------------------------------------------------------------
Total Distributions                                      (0.39)            (1.16)          (0.04)             --              --
- ------------------------------------------------------------------------------------------------------------------------------------
Net Asset Value, End of Period                          $21.55            $17.86          $17.04          $14.51          $12.83
- ------------------------------------------------------------------------------------------------------------------------------------
Total Return                                             23.51%++          12.06%          17.78%          13.09%           2.80%++
- ------------------------------------------------------------------------------------------------------------------------------------
Net Assets, End of Period (000s)                        $4,288            $3,110          $2,011          $1,311          $1,607
- ------------------------------------------------------------------------------------------------------------------------------------
Ratios to Average Net Assets:
   Expenses(5)                                            2.53%+            2.54%           2.52%           2.51%           2.02%+
   Net investment loss                                   (1.47)+           (1.18)          (1.17)          (0.64)          (1.60)+
- ------------------------------------------------------------------------------------------------------------------------------------
Portfolio Turnover Rate                                     11%               28%             39%             34%             21%
- ------------------------------------------------------------------------------------------------------------------------------------
Average commissions per share
   paid on equity transactions(6)(7)                     $0.07             $0.07           $0.05           $0.06              --
====================================================================================================================================
</TABLE>

(1)  For the six months ended April 30, 1998 (unaudited).
(2)  Per share amounts have been calculated using the monthly average shares
     method, rather than the undistributed net investment income method, because
     it more accurately reflects the per share data for the period.
(3)  On November 7, 1994, the former Class B shares were renamed Class C shares.
(4)  For the period from February 14, 1994 (inception date) to October 31, 1994.
(5)  The Manager waived all or part of its fees for the year ended October 31,
     1995 and the period ended October 31, 1994. In addition, the manager agreed
     to reimburse the European Portfolio for $10,344 of the Portfolio's expenses
     for the period ended October 31, 1994. If such fees and expenses were not
     waived or reimbursed, the per share effect on net investment income and the
     expense ratios would have been as follows:
<TABLE>
<CAPTION>
                                                               Expense Ratios
                              Per Share Decreases to         Without Fee Waivers
                               Net Investment Income         and Custody Credits
                               ---------------------         -------------------
                                 1995         1994           1995         1994
                                 ----         ----           ----         ----
<S>                             <C>          <C>             <C>          <C>   
     Class C                    $0.01        $0.10           2.54%        3.07%+
</TABLE>
     In addition, during the years ended October 31, 1996 and October 31, 1995,
     the Portfolio had earned credits from the custodian which reduced service
     fees incurred. If the credits are taken into consideration, the expense
     ratios for Class C would have been 2.50% and 2.48%, respectively; numbers
     prior to October 31, 1995 have not been restated to reflect these credits.
(6)  As of September 1995, the SEC instituted new guidelines requiring the
     disclosure of average commissions per share.
(7)  Trades executed in the United States and Canada are executed at an average
     commission rate of $0.06 per share. Commission on trades executed outside
     these countries generally are executed as a percentage of cost or proceeds
     ranging from 0.50% to 1.00%. The European Portfolio paid commissions which
     equaled an average rate of 0.30% on the total of either cost or proceeds on
     executed trades, which is below the average range. While the amount of
     commissions paid is reasonable on a percentage basis, the commission per
     share amount appears high because these securities were trading at a very
     large dollar amount per share, which is atypical of the way U.S. or
     Canadian companies' shares trade. As a result, since less shares trade for
     a comparable dollar amount than would ordinarily be the case in the U.S. or
     Canada, the commission per share amount skewed upward.
++   Total return is not annualized, as it may not be representative of the
     total return for the year.
 +   Annualized.


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                45
<PAGE>
 
================================================================================
Financial Highlights (continued)
================================================================================

For a share of each class of capital stock outstanding throughout each period:

<TABLE>
<CAPTION>
                                                                                        Class A Shares
                                                           -------------------------------------------------------------------------
Pacific Portfolio                                          1998(1)(2)         1997          1996(2)        1995           1994(3)
====================================================================================================================================
<S>                       <C>                               <C>              <C>            <C>            <C>            <C>   
Net Asset Value, Beginning of Period                         $8.46           $10.18         $10.07         $12.92         $12.50
- ------------------------------------------------------------------------------------------------------------------------------------
Income (Loss) From Operations:
   Net investment loss(4)                                    (0.12)           (0.17)         (0.14)         (0.01)         (0.07)
   Net realized and unrealized gain (loss)                   (0.72)           (1.55)          0.25          (2.84)          0.49
- ------------------------------------------------------------------------------------------------------------------------------------
Total Income (Loss) From Operations                          (0.84)           (1.72)          0.11          (2.85)          0.42
- ------------------------------------------------------------------------------------------------------------------------------------
Less Distributions From:
   Net investment income                                        --               --             --             --             --
- ------------------------------------------------------------------------------------------------------------------------------------
Total Distributions                                             --               --             --             --             --
- ------------------------------------------------------------------------------------------------------------------------------------
Net Asset Value, End of Period                               $7.62            $8.46         $10.18         $10.07         $12.92
- ------------------------------------------------------------------------------------------------------------------------------------
Total Return                                                 (9.93)%++       (16.90)%         1.09%        (22.06)%         3.36%++
- ------------------------------------------------------------------------------------------------------------------------------------
Net Assets, End of Period (000s)                            $2,209           $4,750         $4,929         $4,409         $7,538
- ------------------------------------------------------------------------------------------------------------------------------------
Ratios to Average Net Assets:
   Expenses(4)                                                4.20%+           3.37%          2.64%          1.97%          1.51%+
   Net investment loss                                       (2.53)+          (2.36)         (1.38)         (0.71)         (0.82)+
- ------------------------------------------------------------------------------------------------------------------------------------
Portfolio Turnover Rate                                         80%             154%            86%            31%             6%
- ------------------------------------------------------------------------------------------------------------------------------------
Average commissions per share
   paid on equity transactions(5)(6)                         $0.01            $0.01          $0.02          $0.01             --
====================================================================================================================================
</TABLE>

(1)  For the six months ended April 30, 1998 (unaudited).
(2)  Per share amounts have been calculated using the monthly average shares
     method, rather than the undistributed net investment income method, because
     it more accurately reflects the per share data for the period.
(3)  For the period from February 7, 1994 (inception date) to October 31, 1994.
(4)  The Manager waived all or part of its fees for the year ended October 31,
     1995 and the period ended October 31, 1994. In addition, the Manager agreed
     to reimburse the Pacific Portfolio for $30,862 of the Portfolio's expenses
     for the year ended October 31, 1995. If such fees and expenses were not
     waived or reimbursed, the per share effect on net investment income and the
     expense ratios would have been as follows:
<TABLE>
<CAPTION>
                                                               Expense Ratios
                             Per Share Decreases to          Without Fee Waivers
                              Net Investment Income          and Custody Credits
                              ---------------------          -------------------
                                1995         1994            1995         1994
                                ----         ----            ----         ----
<S>                             <C>          <C>             <C>         <C>   
     Class A                    $0.14        $0.03           3.18%       1.87%+
</TABLE>
     In addition, during the years ended October 31, 1996 and October 31, 1995,
     the Portfolio had earned credits from the custodian which reduced service
     fees incurred. If the credits are taken into consideration, the expense
     ratios for Class A would have been 2.51% and 1.70%, respectively; numbers
     prior to October 31, 1995 have not been restated to reflect these credits.
(5)  As of September 1995, the SEC instituted new guidelines requiring the
     disclosure of average commissions per share.
(6)  Trades executed in the United States and Canada have an average commission
     rate of $0.06 per share. Commission on trades executed outside these
     countries are generally executed as a percentage of cost or proceeds
     ranging from 0.5% to 1.0%.
++   Total return is not annualized, as it may not be representative of the
     total return for the year.
 +   Annualized.


- --------------------------------------------------------------------------------
46                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
Financial Highlights (continued)
================================================================================

For a share of each class of capital stock outstanding throughout each period:

<TABLE>
<CAPTION>
                                                                                             Class B Shares
                                                                  ------------------------------------------------------------------
Pacific Portfolio                                                 1998(1)(2)           1997             1996(2)          1995(3)
====================================================================================================================================
<S>                                                               <C>                 <C>               <C>               <C>   
Net Asset Value, Beginning of Period                               $8.25              $10.01             $9.99            $12.64
- ------------------------------------------------------------------------------------------------------------------------------------
Income (Loss) From Operations:
   Net investment loss(4)                                          (0.14)              (0.27)            (0.23)            (0.01)
   Net realized and unrealized gain (loss)                         (0.71)              (1.49)             0.25             (2.64)
- ------------------------------------------------------------------------------------------------------------------------------------
Total Income (Loss) From Operations                                (0.85)              (1.76)             0.02             (2.65)
- ------------------------------------------------------------------------------------------------------------------------------------
Less Distributions From:
   Net investment income                                              --                  --                --                --
- ------------------------------------------------------------------------------------------------------------------------------------
Total Distributions                                                   --                  --                --                --
- ------------------------------------------------------------------------------------------------------------------------------------
Net Asset Value, End of Period                                     $7.40               $8.25            $10.01             $9.99
- ------------------------------------------------------------------------------------------------------------------------------------
Total Return                                                      (10.30)%++          (17.58)%            0.20%           (20.97)%++
- ------------------------------------------------------------------------------------------------------------------------------------
Net Assets, End of Period (000s)                                  $2,831              $3,558            $4,009            $1,031
- ------------------------------------------------------------------------------------------------------------------------------------
Ratios to Average Net Assets:
   Expenses(4)                                                      4.98%+              4.24%             3.65%             3.39%+
   Net investment loss                                             (3.31)+             (3.07)            (2.26)            (1.47)+
- ------------------------------------------------------------------------------------------------------------------------------------
Portfolio Turnover Rate                                               80%                154%               86%               31%
- ------------------------------------------------------------------------------------------------------------------------------------
Average commissions per share
   paid on equity transactions(5)(6)                               $0.01               $0.01             $0.02             $0.01
====================================================================================================================================
</TABLE>

(1)  For the six months ended April 30, 1998 (unaudited).
(2)  Per share amounts have been calculated using the monthly average shares
     method, rather than the undistributed net investment income method, because
     it more accurately reflects the per share data for the period.
(3)  For the period from November 7, 1994 (inception date) to October 31, 1995.
(4)  The Manager waived all or part of its fees for the period ended October 31,
     1995. In addition, the Manager agreed to reimburse the Pacific Portfolio
     for $30,862 of the Portfolio's expenses for the period ended October 31,
     1995. If such fees and expenses were not waived or reimbursed, the per
     share effect on net investment income and the expense ratio would have been
     as follows:
<TABLE>
<CAPTION>
                                                                Expense Ratio
                              Per Share Decrease to          Without Fee Waivers
                              Net Investment Income          and Custody Credits
                              ---------------------          -------------------
                                      1995                          1995
                                      ----                          ----
<S>                                  <C>                            <C>   
     Class B                         $0.16                          4.90%+
</TABLE>
     In addition, during the year ended October 31, 1996 and the period ended
     October 31, 1995, the Portfolio had earned credits from the custodian which
     reduced service fees incurred. If the credits are taken into consideration,
     the expense ratios for Class B would have been 3.47% and 3.06%
     (annualized), respectively; numbers prior to October 31, 1995 have not been
     restated to reflect these credits.
(5)  As of September 1995, the SEC instituted new guidelines requiring the
     disclosure of average commissions per share.
(6)  Trades executed in the United States and Canada have an average commission
     rate of $0.06 per share. Commission on trades executed outside these
     countries are generally executed as a percentage of cost or proceeds
     ranging from 0.5% to 1.0%.
++   Total return is not annualized, as it may not be representative of the
     total return for the year.
 +   Annualized.


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                47
<PAGE>
 
================================================================================
Financial Highlights (continued)
================================================================================

For a share of each class of capital stock outstanding throughout each period:

<TABLE>
<CAPTION>
                                                                                      Class C Shares
                                                         ---------------------------------------------------------------------------
Pacific Portfolio                                        1998(1)(2)        1997           1996(2)        1995(3)         1994(4)
====================================================================================================================================
<S>                                                       <C>             <C>             <C>             <C>             <C>    
Net Asset Value, Beginning of Period                       $8.21           $9.98           $9.95          $12.86          $12.50
- ------------------------------------------------------------------------------------------------------------------------------------
Income (Loss) From Operations:
   Net investment loss(5)                                  (0.18)          (0.27)          (0.24)          (0.02)          (0.11)
   Net realized and unrealized gain (loss)                 (0.67)          (1.50)           0.27           (2.89)           0.47
- ------------------------------------------------------------------------------------------------------------------------------------
Total Income (Loss) From Operations                        (0.85)          (1.77)           0.03           (2.91)           0.36
- ------------------------------------------------------------------------------------------------------------------------------------
Less Distributions From:
   Net investment income                                      --              --              --              --              --
- ------------------------------------------------------------------------------------------------------------------------------------
Total Distributions                                           --              --              --              --              --
- ------------------------------------------------------------------------------------------------------------------------------------
Net Asset Value, End of Period                             $7.36           $8.21           $9.98           $9.95          $12.86
- ------------------------------------------------------------------------------------------------------------------------------------
Total Return                                              (10.35)%++      (17.74)%          0.30%         (22.63)%          2.88%++
- ------------------------------------------------------------------------------------------------------------------------------------
Net Assets, End of Period (000s)                            $961          $1,493          $1,612          $1,952          $3,167
- ------------------------------------------------------------------------------------------------------------------------------------
Ratios to Average Net Assets:
   Expenses(5)                                              5.13%+          4.44%           3.46%           2.69%           2.29%+
   Net investment loss                                     (3.47)+         (3.21)          (2.22)          (1.45)          (1.49)+
- ------------------------------------------------------------------------------------------------------------------------------------
Portfolio Turnover Rate                                       80%            154%             86%             31%              6%
- ------------------------------------------------------------------------------------------------------------------------------------
Average commissions per share
   paid on equity transactions(6)(7)                       $0.01           $0.01           $0.02           $0.01              --
====================================================================================================================================
</TABLE>

(1)  For the six months ended April 30, 1998 (unaudited).
(2)  Per share amounts have been calculated using the monthly average shares
     method, rather than the undistributed net investment income method, because
     it more accurately reflects the per share data for the period.
(3)  On November 7, 1994, the former Class B shares were renamed Class C shares.
(4)  For the period from February 11, 1994 (inception date) to October 31, 1994.
(5)  The Manager waived all or part of its fees for the year ended October 31,
     1995 and the period ended October 31, 1994. In addition, the Manager agreed
     to reimburse the Portfolio for $30,862 of the Portfolio's expense for the
     year ended October 31, 1995. If such fees and expenses were not waived or
     reimbursed, the per share effect on net investment income and the expense
     ratios would have been as follows:
<TABLE>
<CAPTION>
                                                               Expense Ratios
                             Per Share Decreases to          Without Fee Waivers
                              Net Investment Income          and Custody Credits
                              ---------------------          -------------------
                                1995         1994            1995         1994
                                ----         ----            ----         ----
<S>                             <C>          <C>             <C>         <C>   
     Class C                    $0.13        $0.03           3.88%       2.70%+
</TABLE>
     In addition, during the years ended October 31, 1996 and October 31, 1995,
     the Portfolio had earned credits from the custodian which reduced service
     fees incurred. If the credits are taken into consideration, the expense
     ratios for Class C would have been 3.29% and 2.42%, respectively; numbers
     prior to October 31, 1995 have not been restated to reflect these credits.
(6)  As of September 1995, the SEC instituted new guidelines requiring the
     disclosure of average commissions per share. 
(7)  Trades executed in the United States and Canada have an average commission
     rate of $0.06 per share. Commission on trades executed outside these
     countries are generally executed as a percentage of cost or proceeds
     ranging from 0.5% to 1.0%.
++   Total return is not annualized, as it may not be representative of the
     total return for the year.
 +   Annualized.


- --------------------------------------------------------------------------------
48                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
Additional Shareholder Information (unaudited)
================================================================================

On March 30 and April 24, 1998, a special meeting of shareholders of the Fund
was held for the purpose of voting on the following matters:

     1.   To elect Directors of the Fund (All Portfolios);

     2.   To approve or disapprove the reclassification, modification and/or
          elimination of certain fundamental investment policies (All
          Portfolios);

     3.   To amend the terms of the Plan of Distribution Adopted Pursuant to
          Rule 12b-1 under the Investment Company Act of 1940 (All Portfolios,
          Class A Shareholders only);

     4.   To approve a Subadvisory Agreement with Smith Barney Global Capital
          Management, Inc. (International Balanced Portfolio Only); and

     5.   To transact such other business as may properly come before the
          meeting or any adjournment thereof (All Portfolios).

The results of the vote on Proposal 1 were as follows:

<TABLE>
<CAPTION>
                                                        Shares Voted        Percentage of        Shares Voted        Percentage of
Name of Directors                                            For            Shares Voted           Against           Shares Voted
====================================================================================================================================
<S>                                                    <C>                      <C>              <C>                     <C>   
Victor K. Atkins                                       44,935,458.577           97.019%          1,380,909.568           2.981%
Abraham E. Cohen                                       45,053,565.974           97.274           1,262,802.171           2.726
Robert A. Frankel                                      44,946,591.915           97.043           1,369,776.230           2.957
Rainer Greeven                                         45,054,810.233           97.276           1,261,557.912           2.724
Susan M. Heilbron                                      45,074,392.907           97.318           1,241,975.238           2.682
Heath B. McLendon                                      45,063,780.606           97.296           1,252,587.539           2.704
Bruce D. Sargent                                       45,081,558.705           97.334           1,234,809.440           2.666
James M. Shuart                                        45,020,018.401           97.201           1,296,349.744           2.799
====================================================================================================================================
</TABLE>

Proposal 2 requested that shareholders approve certain changes to the
fundamental policies of the Fund in order to modernize them in view of certain
regulatory, business or industry developments that have occurred since original
adoption of these policies by the Fund. The following chart demonstrates that
all proposals were approved by shareholders.

Please note that "M" indicates a modification of the policy; "E" indicates the
elimination of the policy; and "R" indicates the reclassification of the policy
from fundamental (which would require shareholder approval to change) to
non-fundamental (which can be changed by a vote of the Board of Directors).

<TABLE>
<CAPTION>
                                                                              Emerging
                                                                               Markets             European             Pacific
                                                                              Portfolio            Portfolio           Portfolio
====================================================================================================================================
<S>     <C>                                                                   <C>                  <C>                 <C> 
"M"     Diversification                                                       Approved             Approved            Approved
- ------------------------------------------------------------------------------------------------------------------------------------
"M"     Senior Securities                                                     Approved             Approved            Approved
- ------------------------------------------------------------------------------------------------------------------------------------
"M"     Industry Concentration                                                Approved             Approved            Approved
- ------------------------------------------------------------------------------------------------------------------------------------
"M"     Borrowing                                                             Approved             Approved            Approved
- ------------------------------------------------------------------------------------------------------------------------------------
"E"     Ability to Pledge Assets                                              Approved             Approved            Approved
- ------------------------------------------------------------------------------------------------------------------------------------
"M"     Lending                                                               Approved             Approved            Approved
- ------------------------------------------------------------------------------------------------------------------------------------
"M"     Underwriting of Securities                                            Approved             Approved            Approved
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>


- --------------------------------------------------------------------------------
Smith Barney World Fund, Inc.                                                 49
<PAGE>
 
================================================================================
Additional Shareholder Information (unaudited)(continued)
================================================================================

<TABLE>
<CAPTION>
                                                                             Emerging
                                                                              Markets              European             Pacific
                                                                             Portfolio            Portfolio            Portfolio
====================================================================================================================================
<S>     <C>                                                                   <C>                  <C>                 <C> 
"R"     Margin and Short-Sales                                                Approved             Approved            Approved
- ------------------------------------------------------------------------------------------------------------------------------------
"M"     Real Estate                                                           Approved             Approved            Approved
- ------------------------------------------------------------------------------------------------------------------------------------
"R"     Restricted and Illiquid Securities                                    Approved             Approved            Approved
- ------------------------------------------------------------------------------------------------------------------------------------
"R"     Unseasoned Issues                                                     Approved             Approved            Approved
- ------------------------------------------------------------------------------------------------------------------------------------
"E"     5% Ownership of Certain Securities                                    Approved             Approved            Approved
- ------------------------------------------------------------------------------------------------------------------------------------
"R"     Purchases of Securities of Other Investment Companies                 Approved             Approved            Approved
- ------------------------------------------------------------------------------------------------------------------------------------
"R"     Exercising Control or Management                                      Approved             Approved            Approved
- ------------------------------------------------------------------------------------------------------------------------------------
"R"     Investments in Oil, Gas and Mineral Exploration                       Approved             Approved            Approved
- ------------------------------------------------------------------------------------------------------------------------------------
"R"     Puts, Calls and Combinations Thereof                                     N/A                  N/A                 N/A
====================================================================================================================================
</TABLE>
N/A - Not Applicable

The information below reports the lowest percentage of shares voting for the
proposals and the highest percentage of shares voting against and abstaining by
shareholders of the Fund on all of the items in Proposal 2.

<TABLE>
<CAPTION>
Emerging Markets Portfolio
                            Percentage                                     Percentage                                 Percentage
   Shares Voted              of Shares            Shares Voted              of Shares               Shares             of Shares
        For                    Voted                 Against                  Voted               Abstaining           Abstained
====================================================================================================================================
<S>                           <C>                  <C>                       <C>                  <C>                   <C>   
   1,174,361.717              89.466%              36,555.613                2.785%               101,719.690           7.749%
====================================================================================================================================
</TABLE>

<TABLE>
<CAPTION>
European Portfolio
                            Percentage                                     Percentage                                 Percentage
   Shares Voted              of Shares            Shares Voted              of Shares               Shares             of Shares
        For                    Voted                 Against                  Voted               Abstaining           Abstained
====================================================================================================================================
<S>                           <C>                  <C>                       <C>                  <C>                   <C>   
   1,107,820.953              88.486%              32,309.769                2.581%               111,841.371           8.933%
====================================================================================================================================
</TABLE>

<TABLE>
<CAPTION>
Pacific Portfolio
                            Percentage                                     Percentage                                 Percentage
   Shares Voted              of Shares            Shares Voted              of Shares               Shares             of Shares
        For                    Voted                 Against                  Voted               Abstaining           Abstained
====================================================================================================================================
<S>                           <C>                  <C>                       <C>                  <C>                   <C>   
    370,286.081               87.270%              19,304.583                4.550%               34,709.366            8.180%
====================================================================================================================================
</TABLE>


- --------------------------------------------------------------------------------
50                                       1998 Semi-Annual Report to Shareholders
<PAGE>
 
================================================================================
Additional Shareholder Information (unaudited)(continued)
================================================================================

The results of the vote on Proposal 3 were as follows:

<TABLE>
<CAPTION>
Emerging Markets Portfolio
                            Percentage                                     Percentage                                 Percentage
   Shares Voted              of Shares            Shares Voted              of Shares               Shares             of Shares
        For                    Voted                 Against                  Voted               Abstaining           Abstained
====================================================================================================================================
<S>                           <C>                  <C>                       <C>                  <C>                   <C>   
    437,087.470               89.101%              12,335.767                2.515%               41,128.421            8.384%
====================================================================================================================================
</TABLE>

<TABLE>
<CAPTION>
European Portfolio
                            Percentage                                     Percentage                                 Percentage
   Shares Voted              of Shares            Shares Voted              of Shares               Shares             of Shares
        For                    Voted                 Against                  Voted               Abstaining           Abstained
====================================================================================================================================
<S>                           <C>                  <C>                       <C>                  <C>                   <C>   
    353,443.117               84.952%              22,161.098                5.327%               40,444.611            9.721%
====================================================================================================================================
</TABLE>

<TABLE>
<CAPTION>
Pacific Portfolio
                            Percentage                                     Percentage                                 Percentage
   Shares Voted              of Shares            Shares Voted              of Shares               Shares             of Shares
        For                    Voted                 Against                  Voted               Abstaining           Abstained
====================================================================================================================================
<S>                           <C>                   <C>                      <C>                  <C>                   <C>   
    110,762.817               87.289%               3,918.195                3.087%               12,211.515            9.624%
====================================================================================================================================
</TABLE>


- --------------------------------------------------------------------------------
Smith Barney World Funds, Inc.                                                51
<PAGE>
 
                      [This page intentionally left blank]
<PAGE>
 
Smith Barney
World Funds, Inc.

Directors                               Investment Adviser and Administrator    
Victor Atkins                           Mutual Management Corp.                 
Abraham E. Cohen                                                                
Robert A. Frankel                       Distributor                             
Rainer Greeven                          Smith Barney Inc.                       
Susan M. Heilbron                                                               
Heath B. McLendon, Chairman             Custodian                               
Bruce D. Sargent                        The Chase Manhattan Bank, N.A.          
James M. Shuart                                                                 
                                        Shareholder Servicing Agent             
Officers                                First Data Investor Services Group, Inc.
Maurits E. Edersheim                    P.O. Box 9134                           
Chairman of the Fund                    Boston, MA 02205-9134                   
& Advisory Director                                                             
                                                                                
Heath B. McLendon                       This report is submitted for the general
Chief Executive Officer                 information of shareholders of Smith    
                                        Barney World Funds, Inc. -- Emerging    
Lewis E. Daidone                        Markets, European and Pacific           
Senior Vice President                   Portfolios. It is not authorized for    
and Treasurer                           distribution to prospective investors   
                                        unless accompanied or preceded by an    
Donald Elefson                          effective Prospectus for the Fund, which
Vice President                          contains information concerning the     
                                        Fund's investment policies and expenses 
David Ishibashi                         as well as other pertinent information. 
Vice President                                                                  
                                                                                
Scott E. Kalb                           SMITH BARNEY                     
Vice President                          ------------                     
                                                                                
Bruce D. Sargent                               A Member of TravelersGroup[LOGO]
Vice President                                                                  
                                        Smith Barney                            
Rein W. van der Does                    World Funds, Inc.                       
Vice President                          Smith Barney Mutual Funds               
                                        388 Greenwich Street                    
Irving P. David                         New York, New York 10013                
Controller                                                                      
                                                                                
Christina T. Sydor                      www.smithbarney.com                     
Secretary                               

                                        FDO1488 6/98



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