VANGUARD PENNSYLVANIA TAX FREE FUND
N-30D, 1996-01-30
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<PAGE>   1
VANGUARD
PENNSYLVANIA
TAX-FREE FUND

ANNUAL REPORT 1995
<PAGE>   2
In this Annual Report, I am de-lighted to formally introduce you to John J.
Brennan, who, on January 31, 1996, will assume my responsibilities as Chief
Executive Officer of Vanguard Pennsylvania Tax-Free Fund and the other Funds in
The Vanguard Group. Mr. Brennan will continue to serve as President of the
Funds, and I will continue to serve as Chairman of the Board.

[FIGURE 1]
John J. Brennan                John C. Bogle

         As a shareholder of the Fund since its inception and as Chairman of
all the Vanguard Funds, I want to tell you that I am enthusiastic and confident
that Jack Brennan is exactly the right person to succeed me as Chief Executive
Officer. To use yet another Vanguard nautical metaphor, he will be the new
captain. He has the qualities of leadership, integrity, intelligence, and
vision that must continue to be Vanguard's hallmark as we move toward, and then
into, the 21st century.

         I know that he has these qualities, because Jack Brennan and I have
been working closely together since he joined Vanguard in 1982. He is a
graduate of Dartmouth College and Harvard Business School. He started as
Assistant to the Chairman and, rising  like a rocket, became President in 1989.
While, at age 41, he may seem young, he is in fact older than I was when I
became Chief Executive Officer of Vanguard's predecessor organization in 1967,
at the age of 38. Most important of all, Jack is completely dedicated to the
Vanguard character, and believes in our basic mission: serving solely the
shareholder, free of any conflict of interest. He believes in holding our costs
of operation to a minimum, and in retaining our position as the lowest-cost
provider of financial services in the world. He is a true competitor, who
shares Vanguard's dedication to providing highly competitive returns to our
investors relative to the returns provided by other mutual funds with
comparable objectives. He also believes in reporting our results to
shareholders with complete candor. He has the full support of the Board of
Directors and our crew, and is committed to staying the course we have set for
Vanguard. You need have no doubt that the essential elements that drew you to
Vanguard in the first place will remain intact.

         As for me, I expect to fill a useful, if less demanding, role as
Chairman of the Board. I shall keep a watchful eye over the interests of our
shareholders, our crew, and our investment policies. I shall also speak out on
industry affairs, reminding all who will listen of the primacy of the interests
of mutual fund shareholders. I will be readily available to provide Jack
Brennan with whatever wisdom I may have acquired during my lifetime of
experience in this wonderful industry and in my service as captain of Vanguard
since I founded this unique organization more than two decades ago.

         In short, I'll still be around. Thank you for all your confidence in
me in the past and, in advance, for your continued confidence in Vanguard under
Jack Brennan's leadership.


/s/ JOHN C. BOGLE
- -----------------


VANGUARD PENNSYLVANIA TAX-FREE FUND OFFERS TWO PORTFOLIOS THAT SEEK TO PROVIDE
A HIGH LEVEL OF INCOME THAT IS EXEMPT FROM FEDERAL AS WELL AS PENNSYLVANIA
STATE PERSONAL INCOME TAXES. THE INSURED LONG-TERM PORTFOLIO INVESTS PRIMARILY
IN INSURED LONG-TERM MUNICIPAL BONDS. THE MONEY MARKET PORTFOLIO SEEKS TO
MAINTAIN A CONSTANT NET ASSET VALUE OF $1.00 PER SHARE ALONG WITH REASONABLE
CURRENT INCOME.
<PAGE>   3
                              CHAIRMAN'S LETTER

FELLOW SHAREHOLDER:

     The 1995 fiscal year for Vanguard State Tax-Free Funds, which ended on
November 30, presented a sharp contrast to fiscal 1994. During our prior fiscal
year, long-term interest rates rose sharply, engendering a commensurate drop in
bond prices; during our most recent fiscal year, long-term interest rates fell
steadily, driving bond prices upward. In the short-term arena, tax-exempt
interest rates moved lower during the 1995 fiscal year, but the yields on our
State Money Market Portfolios actually edged higher.

       The net result of the turnabout in the course of long-term interest
rates was greatly enhanced returns to the shareholders of our Insured Long-Term
Portfolios. Given the relatively low interest rate environment that prevailed
during fiscal 1995 in the tax-exempt money markets, shareholders in our various
State Money Market Portfolios earned modest returns. Nonetheless, our Money
Market Portfolios' returns were comfortably above the returns achieved by their
respective competitive benchmarks. The detailed fiscal year results for each of
our State Tax-Free Portfolios, including net asset values and dividends for the
year, as well as current yields, are presented in a table at the conclusion of
this letter.

       Over the past twelve months, the STATE MONEY MARKET PORTFOLIOS provided
returns in the area of +3.7%. As we would expect, all of our Portfolios' net
asset values remained at $1.00 per share throughout the year. The table below
provides an overview of each Portfolio's twelve-month total return, as well as
its yield at the beginning and the end of the fiscal year:

<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------
                                                 TOTAL                             SEVEN-DAY
                                            PRE-TAX RETURN                      ANNUALIZED YIELD
                                           -----------------            ------------------------------
MONEY MARKET                                12 MONTHS ENDED               NOV. 30,           NOV. 30,
PORTFOLIO                                    NOV. 30, 1995                  1995               1994
- ------------------------------------------------------------------------------------------------------
<S>                                              <C>                        <C>                <C>
CALIFORNIA                                       +3.7%                      3.61%              3.44%
PENNSYLVANIA                                     +3.7                       3.64               3.51
NEW JERSEY                                       +3.6                       3.57               3.34
OHIO                                             +3.8                       3.71               3.47
- ------------------------------------------------------------------------------------------------------
</TABLE>

Modest though these yields may be, they accrue to investors without taxation at
either the Federal level or the state and local levels in the respective
states. What's more, the yield of each Portfolio represents a nice enhancement
over the yield available from comparable competitive funds. As a result of this
consistent yield premium, our Portfolios' longer-term returns have exceeded
those of competitive standards. In the case of the Pennsylvania Money Market
Portfolio, shareholders have earned an average annual return of +4.1% since the
Portfolio's inception in June 1988, compared to +4.0% for the average
Pennsylvania money market fund.

       The STATE INSURED LONGER-TERM PORTFOLIOS recouped all of last year's
capital losses--and then some--turning in their best overall year of
performance since our first Insured Portfolios began operations in April 1986.
The following table summarizes the fiscal year total returns (capital change
plus income) for all of the Insured Longer-Term Portfolios. To provide some
perspective on just how beneficial the falling interest rates of the past
twelve months have been for holders  of longer-term bonds, this table breaks
down our Portfolios' total returns into their income and capital components:

<TABLE>
<CAPTION>
- ----------------------------------------------------------------------------
                                                 INVESTMENT RETURNS
                                         -----------------------------------
                                                TWELVE MONTHS ENDED
                                                 NOVEMBER 30, 1995
                                         -----------------------------------
INSURED LONGER-TERM
PORTFOLIO                                 INCOME        CAPITAL      TOTAL
- ----------------------------------------------------------------------------
<S>                                        <C>         <C>           <C>
CALIFORNIA
  INTERMEDIATE-TERM                        +5.6%       + 8.3%        +13.9%
CALIFORNIA LONG-TERM                       +6.5        +13.6         +20.1
NEW YORK LONG-TERM                         +6.4        +13.5         +19.9
PENNSYLVANIA LONG-TERM                     +6.5        +12.0         +18.5
NEW JERSEY LONG-TERM                       +6.4        +13.3         +19.7
OHIO LONG-TERM                             +6.4        +13.1         +19.5
FLORIDA LONG-TERM                          +6.3        +13.8         +20.1
- ----------------------------------------------------------------------------
</TABLE>

The generous positive capital returns exhibited in the table present a dramatic
contrast to the sharply negative capital returns of one year ago. It should go
without saying that, for investors in longer-term bond funds, this kind of
year-to-year principal volatility





                                      1
<PAGE>   4
[FIGURE 2]

<TABLE>
<CAPTION>
          Average Annual Total Returns--Periods Ended November 30, 1995
- ----------------------------------------------------------------------------------
                                                                          Since
                                       1 Year           5 Years         Inception*
- ----------------------------------------------------------------------------------
<S>                                    <C>              <C>               <C>
VANGUARD PA LONG-TERM PORTFOLIO        +18.48%          +8.95%            +8.28%
AVERAGE PA MUNICIPAL FUND              +18.99           +8.40             +7.83
LEHMAN MUNICIPAL BOND INDEX            +18.90           +8.72             +8.41
</TABLE>

*Inception, April 7, 1986.
Note: Past performance is not predictive of future performance.

more or less comes with the territory. With that caveat in mind, it would not
be unexpected if the capital reward of fiscal 1995 were to revert to a capital
penalty sooner or later in another fiscal year.

       The Portfolios' strong absolute returns of the past year also stack up
pretty well relative to the results of their two most appropriate performance
benchmarks: the unmanaged Lehman Municipal Bond Index and the average
competitive fund in each respective state category. The chart above shows the
cumulative returns earned by the Pennsylvania Insured Long-Term Portfolio since
its inception in April 1986, compared with each of these benchmarks.

       You will note that the +8.3% annualized return for the Pennsylvania
Insured Long-Term Portfolio was a bit ahead of the +7.8% annualized return for
the average Pennsylvania municipal fund. Despite our emphasis on high quality
and our reliance on the extra credit safety of insured bonds, our cost
advantage carried the day. However, our returns fell just shy of the +8.4%
return for the Lehman Municipal Bond Index.  As you know, the Lehman Index is a
tough standard for all state tax-free funds, given that it exists in a world
devoid of fund operating expenses and transaction costs. While we endeavor to
exceed this Index standard after our expenses, doing so on a consistent basis
may prove to be a large challenge.

THE FISCAL YEAR IN REVIEW

Above all, fiscal 1995 can be viewed as a year of recovery in the bond market.
On balance for the fiscal year, the yield on the long-term U.S.  Treasury bond
tumbled from 8.0% to 6.1%, a precipitous drop of 190 basis points, equivalent
to a +26% price increase excluding the generous interest coupon. The yield on
the 90-day U.S. Treasury bill also declined--albeit not nearly as
sharply--beginning the fiscal year at 5.8% and ending at 5.5%.

       During this same period, the municipal bond market moved in similar
fashion; however, the decline in long-term municipal bond yields was somewhat
more subdued. On balance for the fiscal year, yields on high-grade municipal
bonds fell from





                                      2
<PAGE>   5
[FIGURE 3]

6.9% to 5.5%, engendering a price increase of +20%. Yields on top-grade (MIG 1)
municipal notes declined from 3.8% to 3.5%.

       In my view, the abrupt decline in long-term interest rates over the past
twelve months was related to several contributing factors.  Most importantly,
we should not lose sight of the fact that interest rates had risen virtually
without interruption in the months leading up to the commencement of our 1995
fiscal year, reaching a peak in November 1994. This climb in rates was
engendered largely by investors' fears about a resurgence of inflation. With
the Federal Reserve Board raising the Federal funds rate (the rate at which
banks borrow from one another) an unprecedented seven times in the 13 months
from February 1994 to February 1995, these inflation fears certainly seemed
well-founded.

       Although restrictive monetary policy often fails to deliver the desired
result, in this case the Fed's medicine seemed to work as intended. That is,
U.S. economic growth slowed and inflation concerns gradually dissipated.
Reflecting this renewed investor optimism, long-term rates did an about-face
beginning in late January 1995 and began to move steadily lower. By the time
the summer of 1995 began, the Fed felt free to relax its stern monetary policy
and actually reduced the Federal funds rate by 1/4 of 1% to 5 3/4%.*

       The chart to the left should place the events of the past two fiscal
years into a somewhat longer run perspective. You will note that the first
three years witnessed a steady downtrend in rates, followed by the abrupt
two-year cycle that I just described. Yet, when all is said and done, yields on
long-term municipal bonds today remain generally below the levels maintained
during fiscal 1991-1992. In other words, despite the "slings and arrows" of the
recent volatile period, the prices of municipal bonds are higher today than
during the early years of the period.

       It is interesting to trace the relative yields of long and short
municipals over the past five years. You can see in the lower chart that the
difference between the two yields--the "spread," if you will--has come
virtually full circle over the past five years. It stood at 135 basis points
(1.35%) at the beginning of fiscal 1991, climbed to nearly 400 basis points by
the end of fiscal 1992, and has narrowed considerably since then, moving back
to roughly 200 basis points at the close of the past fiscal year. What this
means is that investors who choose to extend the maturity of their bond
holdings earn a much lower risk premium today than they did some three years
ago.

TAX-EXEMPT VERSUS TAXABLE YIELDS

It is perhaps obvious that the reason investors are willing to accept
relatively lower yields from municipal bonds is the tax-exempt status of these
securities. While the after-tax advantage of municipals is often taken for
granted, whether municipals represent an appropriate alternative depends
importantly on: (1) the investor's tax

- -------------
*  Another reduction, to 5 1/2%, was implemented shortly after the close of
   our fiscal year.





                                      3
<PAGE>   6
bracket; and (2) the yield spread between taxable and tax-exempt securities.

       When I wrote to you one year ago in my 1994 Chairman's letter, I noted
that, for investors in the highest marginal tax bracket, long-term municipal
bonds provided 44% higher after-tax income compared to Federally taxable U.S.
Treasury bonds. Today, that yield advantage has widened to 49%. However, on the
short side of the yield spectrum, the after-tax yield premium of MIG 1 notes
over U.S. Treasury bills has shrunk, from 9% to 6%. This table presents a
comparison of the annual income earned on tax-exempt and taxable securities as
of November 30, 1995, assuming a $100,000 investment:

<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------
                                                    ILLUSTRATION OF INCOME ON
                                                 HYPOTHETICAL $100,000 INVESTMENT
                                              --------------------------------------
                                               LONG-TERM                 SHORT-TERM
- ------------------------------------------------------------------------------------
<S>                                             <C>                       <C>
TAXABLE GROSS INCOME                            $  6,100                   $  5,500
LESS TAXES (39.6%)                                (2,400)                    (2,200)
                                                ---------                  ---------
NET AFTER-TAX INCOME                               3,700                      3,300
- ------------------------------------------------------------------------------------
TAX-EXEMPT INCOME                               $  5,500                   $  3,500
- ------------------------------------------------------------------------------------
INCREASE IN
  AFTER-TAX INCOME                              $  1,800                   $    200
- ------------------------------------------------------------------------------------
PERCENTAGE INCREASE                                 +49%                        +6%
- ------------------------------------------------------------------------------------
</TABLE>

Table assumes current yields (as of November 30, 1995) of 6.1% for U.S.
Treasury bonds, 5.5% for U.S. Treasury bills, 5.5% for long-term municipal
bonds, and 3.5% for short-term municipal notes.

The table provides a good indication of the kind of boost in after-tax income
that a high-tax-bracket investor might receive by investing in a state tax-free
bond fund rather than a Federally taxable U.S. Treasury bond fund. However,
given the speed with which interest rates can fluctuate, the illustration
should not be considered a representation of future results.

       In fairness, I should also add that this is not entirely an "apples to
apples" comparison. As you know, U.S. Treasury bonds are backed by the full
faith and credit of the U.S. government; municipal bonds, on the other hand,
are subject to some degree of credit risk. More to the point, state-specific
funds entail an incremental risk engendered by their high concentration of
investments in discrete economic regions of the country. This risk is mitigated
to a tremendous extent in our Insured Longer-Term Portfolios through the use of
private portfolio insurance for virtually all of the bonds held in the
portfolios. This insurance effectively guarantees the full payment of annual
income and, at maturity, principal for all of the insured bonds that we hold.
As a result, each of our Insured Longer-Term Portfolios carries an implied
average quality rating of Aaa, the highest rating accorded by Moody's Investors
Services.

       In the case of our State Tax-Free Money Market Portfolios, similar
portfolio insurance generally is not available. Thus, the burden of assuring
the creditworthiness of each individual portfolio holding rests squarely on the
shoulders of the professional money managers in Vanguard's Fixed Income Group.
I am pleased to say that they have handled this task over the years with
considerable diligence, emphasizing high-quality and credit-enhanced
securities. (This "credit enhancement" consists largely of irrevocable letters
of credit from high-quality banks  guaranteeing the timely payment of interest
and principal.) Their efforts have resulted in each of the holdings in our
Money Market Portfolios earning Moody's highest rating--or the equivalent--for
shorter-term instruments.

       Notwithstanding the quality of our portfolio holdings, investors in all
money market funds should bear in mind that their investments are not
guaranteed by the Federal Deposit Insurance Corporation, as would be the case
for an investment in a bank account or a certificate of deposit. There is also
no assurance that a money market fund will be able to maintain a stable net
asset value of $1.00 per share. However, we believe that our diligent credit
analysis and strict adherence to conservative average maturity guidelines will
go a long way toward protecting the interests of our shareholders.

IN SUMMARY

When I wrote to you in my Annual Report one year ago, near the low point in the
tax-exempt bond market, I was optimistic enough to predict that





                                      4
<PAGE>   7
"during fiscal 1995 the probabilities now favor greater stability in long-term
tax-exempt rates, and somewhat higher short-term rates." As it turns out, short
rates actually slipped a bit lower, and I was not nearly optimistic enough on
the bond side, as a strong rebound in the bond market commenced virtually in
lock-step with the start of the new fiscal year. This recovery--reflecting the
traditional view that the dawn inevitably follows the darkness--provided a
substantive enhancement to shareholders in our Insured Longer-Term Portfolios.
It also reinforced the value of my traditional admonition to shareholders to
"stay the course."

       In the coming year, we, too, fully intend to stay the course that has
served our investors so well for so many years. We will continue to focus on
providing returns that exceed those of appropriate competitive standards, but
we will do so with the highest standards of credit quality. While high credit
quality typically comes at a price--i.e., lower gross yields--our shareholders,
thanks to our exceptionally low expense ratios, need not sacrifice income for
quality. Indeed, while the average competitive state tax-free fund charges
annual expenses at the rate of 0.83% of average net assets, our Vanguard State
Tax-Free Portfolios incur an expense ratio of but 0.20%. This remarkable annual
benefit of 63 basis points is available through the Vanguard State Tax-Free
Funds with no sacrifice in quality. The resulting higher yields in a
higher-quality bond fund is as close to the proverbial "free lunch" as you are
likely to see.

       Thank you for your continued support and commitment to Vanguard, and I
look forward to reporting to you again six months hence.

Sincerely,


/s/ JOHN C. BOGLE
- -----------------

John C. Bogle
Chairman of the Board

December 20, 1995

Note: Mutual fund data from Lipper Analytical Services, Inc.





                                      5
<PAGE>   8
A FEW WORDS ABOUT POSSIBLE CHANGES IN THE TAX LAW

In our last Semi-Annual Report, we mentioned that potential changes in the tax
laws had impacted the tax-exempt bond market, resulting in an unusually large
after-tax yield advantage for municipal bonds. Since then, Congress has
continued to debate the merits of a "flat tax," with no definitive resolution
in sight. Given this uncertainty, the current yield on municipal bonds remains
at approximately 90% of the yield on taxable U.S. Treasuries. As a result, an
investor in the highest marginal tax bracket (40%), can earn an after-tax yield
of about 3.7% (60% of 6.1%) on a U.S. Treasury bond, compared to 5.5% on a
high-grade municipal bond--an increase of nearly 50% in after-tax income.

       Until the long-term implications of a revised tax code become clearer,
we would caution municipal bond investors to give careful consideration before
making precipitate changes in the allocation of their holdings of municipal
bonds. In the meantime, we will keep you abreast of our views on the possible
effects of any proposed legislation that could materially impact the tax status
of your holdings in Vanguard State Tax-Free Funds.



<TABLE>
<CAPTION>
- ----------------------------------------------------------------------------------------------------------------------------------
                                                                      NET ASSET VALUE
                               TOTAL                                     PER SHARE
                          NET ASSETS                               --------------------          TWELVE MONTHS 
                          (MILLIONS)       AVERAGE     AVERAGE     NOV. 30,    NOV. 30,    -------------------------    CURRENT
PORTFOLIO              NOV. 30, 1995      MATURITY     QUALITY*      1994        1995      DIVIDENDS    TOTAL RETURN    YIELD**
- ----------------------------------------------------------------------------------------------------------------------------------
<S>                           <C>       <C>              <C>       <C>          <C>          <C>           <C>           <C>
MONEY MARKET                                                  
  CALIFORNIA    . . . . .     $1,202       65 DAYS       MIG 1     $ 1.00       $ 1.00       $.036         + 3.7%        3.61%
  PENNSYLVANIA    . . . .      1,200       36 DAYS       MIG 1       1.00         1.00        .036         + 3.7         3.64
  NEW JERSEY    . . . . .        859       57 DAYS       MIG 1       1.00         1.00        .035         + 3.6         3.57
  OHIO    . . . . . . . .        178       57 DAYS       MIG 1       1.00         1.00        .037         + 3.8         3.71
- ----------------------------------------------------------------------------------------------------------------------------------
INSURED INTERMEDIATE-TERM                                     
  CALIFORNIA    . . . . .     $  206     7.1 YEARS         Aaa     $ 9.64       $10.44       $.511         +13.9%        4.61%
INSURED LONG-TERM                                             
  CALIFORNIA    . . . . .        975    13.1 YEARS         Aaa       9.92        11.27        .602         +20.1         5.15
  NEW YORK    . . . . . .        859    10.5 YEARS         Aaa       9.70        11.01        .581         +19.9         4.97
  PENNSYLVANIA    . . . .      1,569    10.3 YEARS         Aaa      10.07        11.28        .612         +18.5         5.09
  NEW JERSEY    . . . . .        796    10.7 YEARS         Aaa      10.40        11.78        .623         +19.7         4.90
  OHIO    . . . . . . . .        197     9.3 YEARS         Aaa      10.28        11.63        .610         +19.5         5.01
  FLORIDA   . . . . . . .        423    14.1 YEARS         Aaa       9.61        10.94        .560         +20.1         5.08
- ----------------------------------------------------------------------------------------------------------------------------------
</TABLE>

  *  MIG 1 and Aaa are Moody's highest ratings for short-term and long-term
     municipal bonds, respectively.  
 **  Money Market Portfolios' yields are 7-day annualized yields; others are 
     30-day SEC yields.
     Note: The shares of each of the Vanguard "single-state" Portfolios are
     available for purchase solely by residents of the designated states.





                                      6
<PAGE>   9
                         AVERAGE ANNUAL TOTAL RETURNS

THE AVERAGE ANNUAL TOTAL RETURNS FOR THE PORTFOLIOS (PERIODS ENDED SEPTEMBER
30, 1995) ARE AS FOLLOWS:

<TABLE>
<CAPTION>
                                                                                         SINCE INCEPTION
                                                                                   ----------------------------
                                                 INCEPTION                         TOTAL      INCOME    CAPITAL
                                                   DATE       1 YEAR    5 YEARS    RETURN     RETURN     RETURN
                                                  ------      ------    -------    ------     ------     ------
<S>                                               <C>         <C>       <C>        <C>        <C>        <C>
CALIFORNIA INSURED INTERMEDIATE-TERM               3/4/94     + 8.79%      --      +6.98%     +5.09%     +1.89%
CALIFORNIA INSURED LONG-TERM                       4/7/86     +10.73    +9.00%     +7.79      +6.51      +1.28
CALIFORNIA MONEY MARKET                            6/1/87     + 3.62    +3.28      +4.15      +4.15       0.00
NEW YORK INSURED TAX-FREE                          4/7/86     +11.06    +9.40      +7.39      +6.50      +0.89
PENNSYLVANIA INSURED LONG-TERM                     4/7/86     +10.10    +9.36      +8.05      +6.70      +1.35
PENNSYLVANIA MONEY MARKET                         6/13/88     + 3.60    +3.31      +4.16      +4.16       0.00
NEW JERSEY INSURED LONG-TERM                       2/3/88     +10.98    +9.21      +8.58      +6.50      +2.08
NEW JERSEY MONEY MARKET                            2/3/88     + 3.52    +3.26      +4.14      +4.14       0.00
OHIO INSURED LONG-TERM                            6/18/90     +10.78    +9.13      +8.77      +6.03      +2.74
OHIO MONEY MARKET                                 6/18/90     + 3.70    +3.34      +3.48      +3.48       0.00
FLORIDA INSURED TAX-FREE                           9/1/92     +11.14       --      +7.63      +5.45      +2.18
</TABLE>

ALL OF THESE DATA REPRESENT PAST PERFORMANCE. THE INVESTMENT RETURN AND
PRINCIPAL VALUE OF AN INVESTMENT WILL FLUCTUATE SO THAT INVESTORS' SHARES, WHEN
REDEEMED, MAY BE WORTH MORE OR LESS THAN THEIR ORIGINAL COST.

PLEASE NOTE THAT AN INVESTMENT IN A MONEY MARKET FUND, SUCH AS THE MONEY MARKET
PORTFOLIOS OF VANGUARD STATE TAX-FREE FUNDS, IS NEITHER INSURED NOR GUARANTEED
BY THE U.S. GOVERNMENT, AND THERE IS NO ASSURANCE THAT THE FUND WILL BE ABLE TO
MAINTAIN A STABLE NET ASSET VALUE OF $1.00 PER SHARE.





                                      7
<PAGE>   10
                      REPORT FROM THE INVESTMENT ADVISER

STATE INSURED LONG-TERM PORTFOLIOS

      It seems hard to believe that just one year ago we experienced the worst
price decline for the fixed-income markets since the 1920s. A powerful market
rally during 1995 has recaptured 1994's "lost ground." In retrospect, we are
reminded of the relevance of our Chairman's advice to "stay the course" in
weathering periods of market volatility.

       The Federal Reserve's 1994 tightening of monetary policy helped raise
short-term interest rates, which translated into a slowing of economic activity
this year. Such slowing has diminished inflationary pressure. Fixed-income
investors responded by aggressively buying bonds.  During our 1995 fiscal year,
the yield on the 30-year Treasury bond fell 1.9 percentage points (from 8.0% to
6.1%). During the same period, the yield on high-grade, long-term municipal
bonds fell 1.4 percentage points (from 6.9% to 5.5%). Naturally, the decline in
interest rates has positively affected the share prices of the State Insured
Longer-Term Portfolios. This year has provided exceptionally good performance.

       Specific to the municipal market, the Orange County bankruptcy and the
rumblings of a new Federal "flat tax" structure were pivotal events. First,
Orange County filed for bankruptcy in December of 1994. During the first six
months of 1995, County officials wrestled with several alternatives to "balance
the books." By the end of our fiscal year, the County appeared to be slowly
making progress through budget cuts, revenue sharing agreements, and the
rollover of short-term credit obligations. Ultimately, we expect that Orange
County will emerge from bankruptcy, but the process will be long and is not yet
clearly defined.

       It is important to note again that the Vanguard Portfolios did not and
do not have any direct exposure to Orange County debt. To be sure, this
geographically specific event underscores the advantages of the extra level of
credit protection offered by insured bonds in municipal portfolios.

       In contrast, there is very little protection we can offer against the
seemingly all too frequent changes in tax policy proposed by the various
branches of the Federal government. The latest discussions regarding a flat tax
have aroused great concern throughout the municipal market. A flat tax, if
enacted, will eliminate the current system's progression of increasing marginal
tax rates and replace it with a single lower level for all earned income. This
would require the abandonment of all or most tax deductions, exemptions, and
credits.

        With some proposals, unearned income (interest, dividends, or capital
gains) will not be taxed. Under this scenario, municipal obligations would lose
their unique tax-exempt status. This would reduce the attractiveness of
municipal issues relative to their taxable brethren. Market participants have
already begun to factor in this potential unattractiveness. The yield on
long-term, high-quality municipal bonds has risen from 86.3% of the 30-year
Treasury bond yield at the beginning of the year to 90.2% at the close.
Certainly, it is far too early to forecast the ultimate outcome of the flat tax
legislative proposals, but without the support of the current administration it
is doubtful that any changes will occur prior to the 1996 Presidential
elections. In the meantime, shareholders can enjoy the very attractive
after-tax yield advantage of municipal bonds.

       For the State Insured Portfolios, the past year has held great  rewards
for investors who "stayed the course." However, as interest rates have now
returned to historically low levels, we are hesitant to suggest bond prices
will continue on this course through next year.  Regardless, investors'
paramount focus should be on long-term objectives. Whatever direction interest
rates move from year to year, Vanguard will continue to combine low expenses
with the conservative management of high-quality Federal and state tax-exempt
portfolios. We believe the outcome is a superior and durable investment.

STATE MONEY MARKET PORTFOLIOS

The beginning of the fiscal year proved to be rocky for the short-term
municipal market. Not long after the Orange County debacle, the Japanese
banking industry came under fire, resulting in the downgrading of several large
Japanese banks. The Daiwa Bank trading scandal further tarnished the reputation
of the Japanese banking industry. We are pleased to report that Vanguard Money
Market Portfolios managed to safely navigate through these





                                      8
<PAGE>   11
murky waters. The Portfolios had no exposure to Orange County notes, nor did we
hold any issues backed by Daiwa Bank.

       Notwithstanding the credit problems overshadowing the municipal money
market, prices on short-term municipals moved higher over the fiscal year. One
area of strength came from a phenomenal rally in the Treasury market. Evidence
of slow growth and low inflation pushed yields on one-year Treasury bills lower
by nearly -1.5% to 5.4% for the fiscal year. Similarly, comparable
high-quality, one-year municipal notes posted a -1.0% decline in yields over
the same period. The Federal Reserve Board intervened two times during the
fiscal year. The first was a tightening of monetary policy, the second an
offsetting easing of policy. Since the close of our fiscal year, signs of
continued economic weakness prompted the Fed to again lower the Federal funds
rate (the rate banks charge each other for overnight loans) 25 basis points to
5.50%.

       Dividends for the Vanguard State Tax-Free Money Market Portfolios bucked
the trend of overall interest rates by moving dramatically higher during the
fiscal year. The average dividend rose more than +40% over this past year. The
impetus for the change came from widening credit spreads for issues supported
by Japanese banks, which led to a rise in average yields for all variable rate
instruments. Variable rate securities, which account for roughly 50% of the
Portfolios' composition, offset the decline in yields experienced in the
broader market and pushed municipal money market yields higher.

       In conclusion, the growing number of risks in the marketplace underscore
the advantage of maintaining high quality standards.  Vanguard's conservative
investment style and low expenses combine to provide shareholders with
consistently superior relative returns.

Sincerely,

Ian A. MacKinnon                                   David E. Hamlin
Senior Vice President                              Principal

Pamela W. Tynan                                    Danine A. Mueller
Principal                                          Principal

Reid O. Smith                                      Jerome J. Jacobs
Principal                                          Principal

Vanguard Fixed Income Group

December 28, 1995





                                      9
<PAGE>   12
                           STATEMENT OF NET ASSETS

                                                            FINANCIAL STATEMENTS
                                                               November 30, 1995
<TABLE>
<CAPTION>
                                               Face            Market
INSURED LONG-TERM                            Amount             Value
PORTFOLIO                                     (000)            (000)+
- ----------------------------------------------------------------------
<S>                                         <C>         <C>
MUNICIPAL BONDS (102.5%)
- ----------------------------------------------------------------------
ISSUER INSURED (95.8%)
   Allegheny County GO
    0.00%, 5/1/03 (2)                       $12,315     $       8,737
    6.00%, 5/1/10 (2)                         3,030             3,195
    6.00%, 5/1/12 (2)                         3,000             3,137
   Allegheny County Hosp.
    Development Auth.
    (Children's Hosp. of Pittsburgh)
    VRDO 3.65%, 12/7/95 (1)                  23,700            23,700
    (Magee Women's Hosp.)
    6.00%, 10/1/10 (3)                        4,235             4,577
    (Mercy Hosp.)
    6.75%, 4/1/21 (2)                         4,500             4,922
    (Presbyterian Univ. Health)
    VRDO 3.70%, 12/7/95 (1)                   9,600             9,600
    6.00%, 11/1/12 (1)                        3,000             3,089
    7.125%, 7/1/99 (1) (Prere.)               6,835             7,624
    7.60%, 3/1/08 (1)                         5,000             5,475
   Allegheny County Sanitation Auth.
    5.50%, 12/1/13 (3)                       20,295            20,468
    5.50%, 12/1/16 (3)                       23,665            23,665
    6.25%, 12/1/14 (1)                        9,660            10,401
    6.50%, 12/1/11 (3)                        8,000             8,628
   Altoona City Auth.
    6.50%, 11/1/19 (3)                       20,000            21,804
   Beaver County Industrial
    Development Auth.
    Ohio Edison)
    7.00%, 6/1/21 (3)                        22,715            25,374
    7.10%, 6/1/18 (3)                         5,000             5,503
   Berks County GO
    0.00%, 11/15/13 (3)                       7,250             2,763
    0.00%, 11/15/14 (3)                       8,615             3,108
    0.00%, 11/15/15 (3)                       6,250             2,119
    5.75%, 11/15/12 (3)                      15,500            15,892
   Berks County Hosp. Rev.
    (Reading Hosp.)
    5.70%, 10/1/14 (1)                        4,500             4,663
    6.10%, 10/1/23 (1)                       16,500            17,203
   Blair County Hosp. Auth.
    (Altoona Hosp.)
    6.50%, 7/1/22 (2)                         8,500             9,137
   Boyertown Area School Dist.
    6.10%, 3/1/15 (2)                         6,000             6,234
   Bucks County Water & Sewer Auth.
    9.10%, 12/1/95 (3) (Prere.)               1,200             1,200
    9.20%, 12/1/95 (3) (Prere.)               1,200             1,200
   Butler County GO
    6.00%, 7/15/12 (3)                        5,185             5,382
   Center City Philadelphia
    Business Improvement
    5.50%, 12/1/15 (2)                        6,955             6,955
   Center Township Sewer Auth.
    5.50%, 4/15/11 (2)                        2,375             2,420
   Central Dauphin County
    School Dist. GO
    0.00%, 6/1/04 (2)                         4,800             3,202
   Central Greene School Dist.
    6.50%, 2/15/24 (1)                        5,500             5,923
   Chester County Hosp. Auth.
    (Chester County Hosp.)
    7.00%, 7/1/16 (1)                        11,000            11,195
   Cornwall Lebanon Suburban
    Joint School Dist.
    5.875%, 3/1/14 (3)                        5,635             5,815
    5.90%, 3/1/11 (3)                         3,270             3,424
   Corry Area School Dist. GO
    5.50%, 12/15/10 (1)                       4,600             4,683
   Dauphin County General Auth.
    (West Pennsylvania Hosp.)
    5.50%, 7/1/13 (1)                         5,000             5,022
   Dauphin County Hosp. Auth.
    (Harrisburg Hosp.)
    8.125%, 7/1/07 (1)                        3,000             3,230
   Delaware County Auth. College Rev.
    (Haverford College)
    5.40%, 11/15/13 (1)                       1,750             1,755
   Delaware County Hosp. Auth.
    (Crozer Chester Medical Center)
    5.30%, 12/15/11 (1)                       4,660             4,655
    (Delaware County Memorial Hosp.)
    4.00%, 8/15/96 (5)                        1,180             1,184
    5.50%, 8/15/13 (5)                       12,000            12,061
    5.50%, 8/15/19 (5)                        4,000             3,953
    7.125%, 8/15/09 (1)                       5,160             5,771
    7.20%, 8/15/19 (1)                        8,000             8,967
   Delaware County Industrial
    Development Auth. (PECO)
    3.80%, 1/30/96 (3)                       15,000            15,009
   Delaware River Joint Toll
    Bridge Comm.
    6.00%, 7/1/18 (3)                         3,040             3,133
   Delaware River Port Auth.
    5.50%, 1/1/26 (3)++                      21,450            21,236
    6.50%, 1/1/09 (2)                         4,500             4,762
    7.375%, 1/1/07 (2)                       13,500            14,808
   Erie County GO
    5.25%, 9/1/12 (3)                         2,875             2,840
   Erie County Hosp. Auth.
    (St. Vincent Health Care)
    6.125%, 7/1/13 (1)                        3,900             4,117
   Fort LeBoeuf School Dist. GO
    5.80%, 1/1/13 (1)                         5,500             5,657
   Garnet Valley School Dist. GO
    5.70%, 4/1/11 (2)                         3,000             3,080
</TABLE>





                                      10
<PAGE>   13
<TABLE>
<CAPTION>
                                               Face            Market
                                             Amount             Value
                                              (000)            (000)+
- ----------------------------------------------------------------------
   <S>                                     <C>          <C>
   Greensburg Salem School Dist. GO
    6.45%, 9/15/18 (1)                     $  7,500     $       7,951
   Haverford Township School Dist.
    6.25%, 6/1/19 (3)                        11,500            12,192
   Hazleton Area School Dist.
    5.75%, 3/1/13 (3)                        11,875            12,252
   Lancaster Higher Education Auth.
    (Franklin & Marshall College)
    6.60%, 4/15/10 (1)                        4,940             5,432
    6.70%, 4/15/12 (1)                        4,000             4,376
   Lehigh County GO
    5.625%, 7/1/25 (1)++                     17,500            17,487
    5.70%, 7/1/10 (1)                         3,905             4,039
    6.00%, 10/15/99 (2) (Prere.)              1,000             1,066
    7.00%, 7/1/16 (1)                         4,415             5,348
   Lewisburg Area School Dist. GO
    6.20%, 6/1/12 (1)                         3,500             3,689
    6.25%, 6/1/15 (1)                         3,685             3,869
   Ligonier Valley School Dist. GO
    6.00%, 3/1/19 (1)                         6,000             6,200
   Lycoming County College Auth. GO
    5.40%, 11/1/08 (2)                        6,000             6,106
   Lycoming County Hosp. Auth.
    (Williamsport Hosp.)
    5.25%, 11/15/15 (7)++                    15,525            14,716
    5.375%, 11/15/10 (7)++                    9,820             9,647
    6.875%, 11/1/96 (2) (Prere.)              4,450             4,668
    7.00%, 11/1/96 (2) (Prere.)               3,000             3,151
   Manheim Central School Dist. GO
    6.85%, 3/1/08 (3)                         2,705             3,019
   Mars Area School Dist. GO
    6.25%, 9/1/19 (3)                         4,000             4,246
   Montgomery County Higher
    Education & Health Auth.
    (Abington Memorial Hosp.)
    6.00%, 6/1/22 (2)                        10,160            10,479
    6.10%, 6/1/12 (2)                         5,000             5,326
   Montgomery County Industrial
    Development Auth. PCR (PECO)
    6.70%, 12/1/21 (1)                       12,000            13,133
   Mount Lebanon Hosp.
    Development Auth.
    (St. Clair Memorial Hosp.)
    6.25%, 7/1/06 (3)                         9,250            10,304
   Nazareth School Dist.
    5.50%, 11/15/15 (2)                       1,500             1,501
   Neshaminy School Dist. GO
    6.30%, 2/15/13 (3)                       10,000            10,633
   North Penn Water Auth.
    5.75%, 11/1/24 (3)                       19,460            19,620
    6.125%, 11/1/10 (3)                       5,140             5,469
    7.00%, 11/1/24 (3)                        4,500             5,295
   North Wales Water Auth.
    (Montgomery County)
    5.25%, 11/1/19 (3)                       12,350            12,038
    6.125%, 11/1/12 (3)                       3,000             3,149
    6.125%, 11/1/22 (3)                       8,300             8,604
    6.25%, 11/1/14 (3)                        2,300             2,450
    7.00%, 11/1/20 (3)                        7,000             8,217
   Northampton County Higher
    Education Auth.
    (Lehigh Univ.)
    7.10%, 11/15/09 (1)                       7,035             7,788
   Northampton County Hosp. Auth.
    (Easton Hosp.)
    6.25%, 1/1/19 (1)                        10,000            10,514
    7.875%, 1/1/19 (6)                          285               316
   Northampton County Industrial
    Development Auth. PCR
    (Central Metro Edison)
    6.10%, 7/15/21 (1)                        4,410             4,623
   Northumberland County
    Commonwealth Lease
    6.25%, 10/15/01 (1) (Prere.)             13,600            14,605
   Penn Hills GO
    5.80%, 12/1/13 (2)                       11,735            12,716
   Penn Trafford School Dist. GO
    5.85%, 5/1/14 (1)                         2,435             2,510
   Pennsbury School Dist. GO
    (Bucks County)
    6.70%, 8/15/10 (3)                        1,925             2,212
    6.80%, 8/15/14 (3)                        4,025             4,654
   Pennsylvania Convention
    Center Auth.
    0.00%, 9/1/04 (3)                         5,000             3,296
    6.00%, 9/1/19 (3)                        12,600            13,569
    6.70%, 9/1/16 (3)                        19,150            21,919
   Pennsylvania GO
    5.00%, 11/15/97 (2)                       9,075             9,258
    5.00%, 4/15/09 (2)                        9,985             9,860
   Pennsylvania Higher
    Education Auth.
    (College and Univ. Rev.)
    7.20%, 1/1/04 (2)                         2,500             2,532
    (Drexel Univ.)
    5.625%, 5/1/14 (1)                       11,755            11,853
    (State System)
    5.375%, 6/15/18 (2)                       8,845             8,793
    (Temple Univ.)
    6.50%, 4/1/21 (1)                         6,000             6,427
   Pennsylvania Intergovernment
    Cooperation Auth.
    5.625%, 6/15/23 (1)                      27,500            27,442
</TABLE>





                                      11
<PAGE>   14
                      STATEMENT OF NET ASSETS (continued)


<TABLE>
<CAPTION>
                                               Face            Market
                                             Amount             Value
                                              (000)            (000)+
- ----------------------------------------------------------------------
   <S>                                     <C>           <C>
    6.75%, 6/15/21 (3)                      $23,050      $     25,821
    7.00%, 6/15/14 (3)                        2,250             2,564
   Pennsylvania Turnpike Comm.
    5.50%, 12/1/17 (3)                       29,000            28,873
    5.75%, 12/1/12 (2)                       10,000            10,312
    6.00%, 6/1/15 (1)                        28,800            29,693
    6.25%, 6/1/11 (2)                        14,390            15,351
   Pennsylvania Turnpike Comm.
    Oil Franchise Tax Rev.
    6.00%, 12/1/19 (2)                        7,450             7,761
   Philadelphia Airport Rev.
    9.875%, 6/15/06 (1)                       2,215             2,248
   Philadelphia Gas Works
    6.00%, 5/15/12 (2)                       14,250            14,750
    6.75%, 1/1/15 (2)                        13,930            15,063
    7.25%, 1/1/10 (2)                        10,085            11,027
   Philadelphia GO
    6.00%, 11/15/10 (3)                       2,810             2,993
    6.00%, 11/15/11 (3)                       3,025             3,191
    6.00%, 11/15/12 (3)                       3,355             3,534
    6.00%, 11/15/13 (3)                       1,885             1,971
   Philadelphia Municipal Auth. Rev.
    5.55%, 11/15/08 (3)                       3,040             3,146
    5.60%, 11/15/09 (3)                       2,100             2,166
    5.60%, 11/15/10 (3)                       6,755             6,942
    5.625%, 11/15/18 (3)                      8,750             8,760
    7.10%, 11/15/05 (1)                       3,000             3,407
   Philadelphia Parking Auth. Rev.
    7.375%, 9/1/18 (2)                       12,065            13,206
   Philadelphia School Dist. GO
    0.00%, 7/1/01 (2)                        11,750             9,148
    5.50%, 9/1/15 (2)                         5,000             4,982
    5.50%, 9/1/18 (2)                         9,000             8,930
    5.50%, 9/1/25 (2)                         6,450             6,356
    5.85%, 7/1/09 (1)                         1,500             1,583
   Philadelphia Water & Waste
    Water Rev.
    5.00%, 6/15/18 (1)                        5,005             4,739
    5.50%, 8/1/14 (1)                        10,400            10,339
    5.60%, 8/1/18 (1)                         5,920             5,940
    6.25%, 8/1/11 (1)                         3,750             4,172
    7.00%, 6/15/10 (3)                       33,865            40,260
    7.00%, 6/15/11 (3)                       35,685            42,516
   Pittsburgh GO
    5.20%, 9/1/06 (2)                         1,175             1,203
    5.30%, 9/1/07 (2)                         1,000             1,025
    5.50%, 9/1/14 (2)                         9,500             9,735
    6.00%, 3/1/14 (2)                         3,515             3,537
    6.25%, 9/1/16 (1)                        11,030            11,645
    7.00%, 3/1/06 (3)                        18,265            19,359
    7.00%, 3/1/07 (3)                         2,135             2,263
   Pittsburgh Public Parking Auth.
    5.875%, 12/1/12 (3)                       8,200             8,528
   Pittsburgh School Dist. GO
    6.75%, 8/1/01 (2) (Prere.)                3,250             3,638
   Pittsburgh Water & Sewer System
    7.25%, 9/1/14 (3) (ETM)                  25,210            29,705
    7.625%, 9/1/04 (3) (ETM)                  5,370             6,346
   Pocono Mountain School Dist. GO
    5.75%, 10/1/09 (2)                        6,000             6,212
   Reading GO (Berks County)
    5.875%, 11/15/12 (2)                     18,000            18,585
    6.00%, 11/15/22 (2)                       4,350             4,479
   St. Mary's Hosp. Auth.
    (Franciscan Health System)
    7.00%, 7/1/09 (6)                         1,000             1,095
    7.00%, 7/1/13 (6)                         5,050             5,530
    7.00%, 6/15/15 (6)                        1,770             1,937
   Sayre Health Care Facilities
    Auth. VRDO
    3.65%, 12/6/95 (2)                       17,400            17,400
    (Guthrie Health Care System)
    6.00%, 3/1/21 (2)                        10,710            10,936
    7.00%, 3/1/11 (2)                         2,000             2,237
   Seneca Valley School Dist. GO
    5.50%, 7/1/14 (3)                         9,965             9,986
    5.75%, 7/1/10 (3)                         4,000             4,135
   Souderton Area School Dist. GO
    7.00%, 9/1/12 (2)                         2,200             2,341
   South Fork Hosp. Auth.
    (Conemaugh Valley Hosp.)
    5.625%, 7/1/10 (7)                        2,300             2,381
    5.75%, 7/1/18 (7)                         7,000             7,160
   Spring-Ford Area School Dist. GO
    6.50%, 2/1/18 (2)                         8,260             9,114
   Univ. of Pittsburgh
    6.125%, 6/1/21 (1)                       28,400            29,612
   Washington County Hosp. Auth.
    (Shadyside Hosp.)
    5.875%, 12/15/09 (2)                     22,000            23,125
    (Washington Hosp.)
    6.75%, 7/1/12 (2)                        10,000            10,847
   Wayne County Hosp. &
    Health Facility
    7.125%, 7/1/96 (1) (Prere.)               1,500             1,531
   West Allegheny School Dist.
    6.25%, 8/1/14 (2)                         6,155             6,469
   West Jefferson Hills School Dist. GO
    5.90%, 8/1/10 (3)                         3,160             3,281
    5.95%, 8/1/14 (3)                         7,180             7,406
   West Mifflin School Dist. GO
    5.35%, 2/15/09 (3)                        1,555             1,571
    5.625%, 2/15/15 (3)                       7,000             7,023
   Westmoreland County Auth.
    6.125%, 7/1/17 (1) (ETM)                  8,205             8,837
</TABLE>





                                      12
<PAGE>   15
<TABLE>
<CAPTION>
                                               Face            Market
                                             Amount             Value
                                              (000)            (000)+
- ----------------------------------------------------------------------
<S>                                        <C>          <C>
   Westview Municipal Auth. Water Rev.
    7.50%, 11/15/17 (3)                    $  2,860     $       2,907
   York County Southwestern
    School Dist. GO
   6.40%, 6/15/12 (3)                         3,825             4,131
                                                        --------------
        GROUP TOTAL                                         1,503,212
                                                        --------------
- ----------------------------------------------------------------------
PORTFOLIO INSURED (.9%)
   Allegheny County Hosp.
    Development Auth.
    (Mercy Hosp.)
    7.375%, 4/1/15                            3,650             3,754
    (St. Margaret's Hosp.)
    9.80%, 7/1/10                             1,500             1,536
   Pennsylvania Hosp. & Higher
    Education Facilities Auth.
    (Pennsylvania Hosp.)
    7.25%, 7/1/14                             8,535             8,645
                                                        --------------
        GROUP TOTAL                                            13,935
                                                        --------------
- ----------------------------------------------------------------------
SECONDARY MARKET INSURED (.1%)
   Allegheny County Hosp.
    Development Auth.
    (Mercy Hosp.)
    7.375%, 4/1/15 (1)                        1,350             1,392
                                                        --------------
- ----------------------------------------------------------------------
NON-INSURED (5.7%)
   Allegheny County Hosp.
    Development Auth. VRDO
    (Allegheny Health System)
    3.60%, 12/6/95 (LOC)                     15,400            15,400
   Delaware County Industrial
    Development Auth. PCR VRDO
    (PECO)
    3.65%, 12/6/95 (LOC)                      1,400             1,400
   Delaware County Industrial
    Development Auth. Airport
    Facilities Rev. VRDO
    (United Parcel Service)
    3.80%, 12/4/95                            1,500             1,500
   Emmaus General Auth. Local
    Govt. Rev. VRDO
    3.75%, 12/6/95                              600               600
    (East Penn School Dist.)
    3.75%, 12/6/95 (LOC)                      3,700             3,700
   Geisinger Health System Auth. VRDO
    (Montour County)
    3.70%, 12/4/95                              300               300
   Pennsylvania GO
    4.70%, 7/1/96                             4,225             4,254
   Pennsylvania Higher Education
    Facilities Auth. VRDO
    (Carnegie Mellon Univ.)
    3.80%, 12/4/95                           10,400            10,400
    (Temple Univ.)
    3.70%, 12/4/95 (LOC)                      3,300             3,300
   Pennsylvania Housing Single Family
    Mortgage Finance Agency
    6.90%, 4/1/17                             7,500             7,982
    7.55%, 4/1/16                             9,670            10,412
   Pennsylvania Infrastructure
    Investment Auth. VRDO
    (Pennvest Loan Pooled Project)
    3.60%, 12/6/95                            5,650             5,650
    3.60%,12/6/95*                              400               400
   Philadelphia Auth. for Industrial
    Development VRDO
    (Institute for Cancer Research)
    3.70%, 12/4/95 (LOC)                        300               300
   Philadelphia School District TRAN
    4.50%, 6/28/96                           14,000            14,075
   Swarthmore Borough Auth.
    College Rev.
    7.375%, 9/15/18                           2,200             2,382
   Univ. of Pittsburgh
    Higher Education VRDO
    3.55%, 12/7/95 (LOC)                      4,400             4,400
OUTSIDE PENNSYLVANIA:
   Puerto Rico Govt. Development
    Bank VRDO
    3.30%, 12/6/95 (LOC)                      3,900             3,900
                                                        --------------
         GROUP TOTAL                                           90,355
                                                        --------------
- ----------------------------------------------------------------------
 TOTAL MUNICIPAL BONDS
   (Cost $1,506,474)                                        1,608,894
- ----------------------------------------------------------------------
</TABLE>





                                      13
<PAGE>   16
                      STATEMENT OF NET ASSETS (continued)

<TABLE>
<CAPTION>
                                                              Markets
                                                                Value
                                                               (000)+
- ----------------------------------------------------------------------
OTHER ASSETS AND LIABILITIES (-2.5%)
- ----------------------------------------------------------------------
<S>                                                        <C>
   Other Assets--Note B                                    $   30,470
   Liabilities                                                (70,326)
                                                           -----------
                                                              (39,856)
- ----------------------------------------------------------------------
NET ASSETS (100%)
- ----------------------------------------------------------------------
   Applicable to 139,116,264 outstanding shares
    of beneficial interest (unlimited
    authorization--no par value)                           $1,569,038
- ----------------------------------------------------------------------
NET ASSET VALUE PER SHARE                                      $11.28
======================================================================
</TABLE>
+See Note A to Financial Statements.  
For explanations of abbreviations and other references, see page 16.


<TABLE>
<CAPTION>
- ------------------------------------------------------------------------
AT NOVEMBER 30, 1995,
 NET ASSETS CONSISTED OF:
- ------------------------------------------------------------------------
                                             Amount                  Per
                                              (000)                Share
                                         ----------          -----------
<S>                                      <C>                 <C>
   Paid in Capital                       $1,464,389               $10.53
   Undistributed Net
    Investment Income                            --                   --
   Accumulated Net Realized
    Gains                                     3,887                  .03
   Unrealized Appreciation
    (Depreciation)--Note E:
      Investment Securities                 102,420                  .73
      Futures Contracts                      (1,658)                (.01)
- ------------------------------------------------------------------------
NET ASSETS                               $1,569,038               $11.28
- ------------------------------------------------------------------------


<CAPTION>
                                               Face                Market
                                             Amount                 Value
MONEY MARKET PORTFOLIO                        (000)                (000)+
- -------------------------------------------------------------------------
MUNICIPAL BONDS (97.8%)
- -------------------------------------------------------------------------
<S>                                         <C>              <C>
   Allegheny County GO VRDO
    3.70%, 12/7/95                          $17,900          $     17,900
    TOB 3.75%, 12/7/95 (2)                    3,000                 3,000
   Allegheny County Higher
    Education Auth. VRDO
    (Univ. of Pittsburgh)
    3.55%-3.65%, 12/7/95 (LOC)               38,030                38,030
   Allegheny County Hosp.
    Development Auth.
    (Allegheny Health System)
    VRDO 3.55%-3.60%,
    12/6/95 (LOC)                            37,450                37,450
    (Children's Hosp.-Pittsburgh)
    VRDO 3.65%, 12/7/95 (1)                   1,700                 1,700
    (Health Center Development)
    CP 3.95%, 12/7/95 (LOC)                  14,800                14,800
    (Presbyterian Univ. Health)
    VRDO 3.70%, 12/7/95 (1)                  23,249                23,249
    (South Hills Health System)
    VRDO 3.60%, 12/6/95 (LOC)                10,650                10,650
   Allegheny County PCR CP
    (Duquesne Light Co.)
    4.40%, 12/7/95 (LOC)                      5,000                 5,000
   Beaver County Industrial
    Development Auth. PCR CP
    (Duquesne Light Co.)
    3.75%-3.80%,
    12/14/95-2/23/96 (LOC)                   68,415                68,415
   Berks County TRAN
    5.20%, 12/31/95                           2,800                 2,800
   Dauphin County General Auth.
    Hosp. Rev. VRDO
    (Reading Hosp. & Medical Center)
    3.65%, 12/6/95                            8,000                 8,000
   Delaware County Industrial
    Development Auth. PCR
    (PECO)
    3.75%-3.80%,
    12/11/95-2/8/96 (3)                      18,900                18,900
    VRDO 3.65%, 12/6/95 (LOC)                22,725                22,725
   Delaware County Industrial
    Development Auth. Airport
    Facilities Rev. VRDO
    (United Parcel Service)
    3.80%, 12/4/95                           38,700                38,700
   Emmaus General Auth. Local
    Govt. Rev. VRDO
    (Allentown)
    3.75%, 12/6/95 (LOC)                      7,000                 7,000
</TABLE>





                                      14
<PAGE>   17
<TABLE>
<CAPTION>
                                               Face                Market
                                             Amount                 Value
                                              (000)                (000)+
- -------------------------------------------------------------------------
   <S>                                     <C>              <C>
    (East Penn School Dist.)
    3.75%, 12/6/95 (LOC)                   $  6,300         $       6,300
    (Great Valley School Dist.)
    4.15%, 12/6/95 (LOC)                      4,700                 4,700
    (Hatboro-Horsham School Dist.)
    3.75%, 12/6/95 (LOC)                      8,400                 8,400
    (Lower Dauphin School Dist.)
    3.80%, 12/6/95 (LOC)                      5,000                 5,000
    (Pooled Program)
    3.75%, 12/6/95                           24,300                24,300
    (Red Lion School Dist.)
    3.80%, 12/6/95 (LOC)                      3,500                 3,500
    (West Chester School Dist.)
    3.80%, 12/6/95 (LOC)                     10,000                10,000
   Geisinger Health System Auth.
    VRDO 3.70%, 12/4/95                      31,900                31,900
   Lancaster Higher Education Auth.
    VRDO (Franklin & Marshall)
    3.95%, 12/6/95                            2,250                 2,250
   Lehigh County General
    Purpose Auth. Pooled CP
    (Hosp. Central Services)
    3.80%, 12/12/95- 12/13/95 (1)            36,900                36,900
   Lehigh County Industrial Development
    Auth. PCR TOB VRDO
    (Pennsylvania Power & Light)
    3.75%, 12/7/95 (1)                        3,200                 3,200
   Northeastern Pennsylvania
    Hosp. & Education Auth. VRDO
    (Wyoming Valley Auth.)
    4.10%, 12/6/95 (2)                       41,800                41,800
   Northeastern Pennsylvania
    Hosp. Auth. Pooled CP
    (Hosp. Central Services)
    3.75%-3.90%,
    12/12/95-2/22/96 (1)                     37,900                37,900
   Pennsylvania GO
    6.00%, 9/15/96                            4,550                 4,623
   Pennsylvania GO TOB VRDO
    3.75%, 12/7/95 (2)                        9,125                 9,125
   Pennsylvania TAN
    4.50%, 6/28/96                           37,000                37,154
   Pennsylvania Higher Education
    Facilities Auth.
    (Carnegie Mellon)
    VRDO 3.80%, 12/4/95                      67,600                67,600
    (Temple Univ.)
    VRDO 3.70%, 12/4/95 (LOC)                32,300                32,300
    (Thomas Jefferson Univ.)
    3.90%, 6/1/96*                           10,000                10,000
    (Univ. of Pennsylvania
    Health Services)
    VRDO 3.50%, 12/6/95                      74,000                74,000
   Pennsylvania Infrastructure
    Investment Auth. VRDO
    (Pennvest Loan Pooled Project)
    3.60%, 12/6/95                           64,600                64,600
   Pennsylvania Intergovernmental
    Cooperative Auth.
    5.20%, 6/15/96 (3)                        8,150                 8,210
   Pennsylvania Turnpike Rev.
    7.875%, 12/1/96 (Prere.)                  7,640                 8,100
    TOB VRDO 3.75%,
    12/7/95 (Prere.)                         12,000                12,000
   Philadelphia Auth. for Industrial
    Development VRDO
    (Franklin Institute)
    3.85%, 12/7/95                           14,095                14,095
    (Institute for Cancer Research)
    3.70%, 12/4/95 (LOC)                      4,200                 4,200
   Philadelphia Hosp. & Higher
    Education Facilities Auth.
    (Children's Hosp.)
    VRDO 3.70%, 12/4/95 (LOC)                50,450                50,450
    (Frankford Hosp.)
    4.00%, 1/1/96 (7)                         1,000                 1,000
    (Pennsylvania Hosp.)
    VRDO 3.60%, 12/6/95 (3)                  30,000                30,000
    3.85%, 7/1/96* (3)                       30,000                29,994
   Philadelphia GO
    7.90%, 2/15/96 (Prere.)                   5,000                 5,141
   Philadelphia School Dist. TRAN
    4.50%, 6/28/96                           11,000                11,034
   Philadelphia Water & Sewer
    9.10%, 12/1/95 (Prere.)                   3,900                 3,978
   St. Mary's Hosp. Auth. Langhorne
    VRDO (Franciscan Health System)
    3.80%, 12/4/95 (LOC)                     18,230                18,230
   Sayre Health Care Facilities Auth.
    VRDO 3.65%, 12/6/95 (2)                  63,070                63,070
   Scranton-Lackawanna Health &
    Welfare Auth.
    (Univ. of Scranton)
    3.954%, 5/1/96* (LOC)                     5,235                 5,235
   Temple Univ. Notes
    5.00%, 5/22/96                           24,000                24,077
   Univ. of Pittsburgh
    Higher Education VRDO
    3.55%, 12/7/95 (LOC)                     30,500                30,500
</TABLE>





                                      15
<PAGE>   18

                     STATEMENT OF NET ASSETS (continued)

<TABLE>
<CAPTION>
                                               Face                Market
                                             Amount                 Value
                                              (000)                (000)+
- ---------------------------------------------------------------------------
<S>                                         <C>                 <C>
   York County Industrial
    Development Auth. PCR
    VRDO (PECO)
    3.65%, 12/6/95 (LOC)                    $15,440             $   15,440
    CP (PSG&E)
    3.65%, 1/31/96 (1)                        4,200                  4,200
- ---------------------------------------------------------------------------
TOTAL MUNICIPAL BONDS
   (Cost $1,172,825)                                             1,172,825
- ---------------------------------------------------------------------------
OTHER ASSETS AND LIABILITIES (2.2%)
- ---------------------------------------------------------------------------
   Other Assets--Note B                                             30,728
   Liabilities                                                      (3,869)
                                                                -----------
                                                                    26,859
- ---------------------------------------------------------------------------
NET ASSETS (100%)
- ---------------------------------------------------------------------------
   Applicable to 1,199,733,398 outstanding
    shares of beneficial interest
    (unlimited authorization--no par value)                     $1,199,684
- ---------------------------------------------------------------------------
NET ASSET VALUE PER SHARE                                            $1.00
===========================================================================
</TABLE>
+See Note A to Financial Statements.


<TABLE>
<CAPTION>
- ---------------------------------------------------------------------------
AT NOVEMBER 30, 1995,
 NET ASSETS CONSISTED OF:
- ---------------------------------------------------------------------------
                                             Amount                     Per
                                              (000)                   Share
                                         ----------                   -----
<S>                                      <C>                          <C>
   Paid in Capital                       $1,199,732                   $1.00
   Undistributed Net
    Investment Income                            --                      --
   Accumulated Net
    Realized Losses                             (48)                     --
   Unrealized Appreciation
    of Investments                               --                      --
- ---------------------------------------------------------------------------
NET ASSETS                               $1,199,684                   $1.00
- ---------------------------------------------------------------------------
</TABLE>

COP=Certificate of Participation
CP=Commercial Paper
GO=General Obligation
IDR=Industrial Development Revenue
PCR=Pollution Control Revenue
TAN=Tax Anticipation Note
TOB=Tender Option Bond
TRAN=Tax Revenue Anticipation Note
VRDO=Variable Rate Demand Obligation
(ETM)=Escrowed to Maturity
(Prere.)=Prerefunded
*Put Option Obligation.
++Security purchased on a when-issued or delayed delivery basis for which the
  Fund has not taken delivery as of November 30, 1995.

Scheduled principal and interest payments are guaranteed by:
(1) MBIA (Municipal Bond Insurance Association)
(2) AMBAC (AMBAC Indemnity Corporation)
(3) FGIC (Financial Guaranty Insurance Company)
(4) FSA (Financial Security Assurance)
(5) CGI (Capital Guaranty Insurance)
(6) BIGI (Bond Investors Guaranty Insurance)
(7) Connie Lee Inc.
(8) FHA (Federal Housing Authority)
The insurance does not guarantee the market value of the municipal bonds.

(LOC)=Scheduled principal and interest payments are guaranteed by bank letter
of credit.





                                      16
<PAGE>   19
                           STATEMENT OF OPERATIONS

<TABLE>
<CAPTION>
                                                                    INSURED LONG-TERM            MONEY MARKET
                                                                            PORTFOLIO               PORTFOLIO
- --------------------------------------------------------------------------------------------------------------
                                                                           Year Ended              Year Ended
                                                                    November 30, 1995       November 30, 1995
                                                                                (000)                   (000)
- --------------------------------------------------------------------------------------------------------------
<S>                                                             <C>         <C>           <C>         <C>
INVESTMENT INCOME
   INCOME
     Interest   . . . . . . . . . . . . . . . . . . . . .                   $  84,242                 $43,683
- --------------------------------------------------------------------------------------------------------------
               Total Income . . . . . . . . . . . . . . .                      84,242                  43,683
- --------------------------------------------------------------------------------------------------------------
   EXPENSES
     The Vanguard Group--Note B
         Investment Advisory Services . . . . . . . . . .       $   188                   $   151
         Management and Administrative  . . . . . . . . .         2,323                     1,754
         Marketing and Distribution . . . . . . . . . . .           292         2,803         319       2,224
                                                                -------                   -------
     Insurance Expense  . . . . . . . . . . . . . . . . .                          43                      --
     Custodians' Fees   . . . . . . . . . . . . . . . . .                          38                      36
     Auditing Fees  . . . . . . . . . . . . . . . . . . .                           8                       8
     Shareholders' Reports  . . . . . . . . . . . . . . .                          42                      29
     Annual Meeting and Proxy Costs   . . . . . . . . . .                          10                       7
     Trustees' Fees and Expenses  . . . . . . . . . . . .                           5                       4
- --------------------------------------------------------------------------------------------------------------
               Total Expenses . . . . . . . . . . . . . .                       2,949                   2,308
               Expenses Paid Indirectly--Note C . . . . .                         (38)                    (36)
- --------------------------------------------------------------------------------------------------------------
               Net Expenses . . . . . . . . . . . . . . .                       2,911                   2,272
- --------------------------------------------------------------------------------------------------------------
                  Net Investment Income   . . . . . . . .                      81,331                  41,411
- --------------------------------------------------------------------------------------------------------------
REALIZED NET GAIN (LOSS)
     Investment Securities Sold   . . . . . . . . . . . .                       5,201                      (9)
     Futures Contracts  . . . . . . . . . . . . . . . . .                      (1,241)                     --
- --------------------------------------------------------------------------------------------------------------
                  Realized Net Gain (Loss)  . . . . . . .                       3,960                      (9)
- --------------------------------------------------------------------------------------------------------------
CHANGE IN UNREALIZED APPRECIATION
   (DEPRECIATION)
     Investment Securities  . . . . . . . . . . . . . . .                     153,797                      --
     Futures Contracts  . . . . . . . . . . . . . . . . .                         922                      --
- --------------------------------------------------------------------------------------------------------------
                  Change in Unrealized
                     Appreciation (Depreciation)  . . . .                     154,719                      --
- --------------------------------------------------------------------------------------------------------------
                  Net Increase in Net Assets
                    Resulting from Operations   . . . . .                    $240,010                 $41,402
==============================================================================================================
</TABLE>





                                      17
<PAGE>   20
                      STATEMENT OF CHANGES IN NET ASSETS

<TABLE>
<CAPTION>
                                                                    INSURED LONG-TERM                  MONEY MARKET
                                                                            PORTFOLIO                     PORTFOLIO
- -------------------------------------------------------------------------------------------------------------------
                                                        YEAR ENDED         Year Ended      YEAR ENDED    Year Ended
                                                      NOVEMBER 30,       November 30,    NOVEMBER 30,  November 30,
                                                              1995               1994            1995          1994
                                                             (000)              (000)           (000)         (000)
- -------------------------------------------------------------------------------------------------------------------
<S>                                                     <C>                <C>            <C>           <C>
INCREASE (DECREASE) IN NET ASSETS
OPERATIONS
   Net Investment Income  . . . . . . . . . . . .       $   81,331         $   82,880     $    41,411   $    26,215
   Realized Net Gain (Loss) . . . . . . . . . . .            3,960              4,100              (9)          (22)
   Change in Unrealized Appreciation
      (Depreciation)    . . . . . . . . . . . . .          154,719           (167,668)             --            --
- -------------------------------------------------------------------------------------------------------------------
      Net Increase (Decrease) in Net Assets
         Resulting from Operations  . . . . . . .          240,010            (80,688)         41,402        26,193
- -------------------------------------------------------------------------------------------------------------------
DISTRIBUTIONS (1)
   Net Investment Income  . . . . . . . . . . . .          (81,331)           (82,880)        (41,411)      (26,215)
   Realized Net Gain  . . . . . . . . . . . . . .               --            (10,361)             --            --
- -------------------------------------------------------------------------------------------------------------------
      Total Distributions   . . . . . . . . . . .          (81,331)           (93,241)        (41,411)      (26,215)
- -------------------------------------------------------------------------------------------------------------------
CAPITAL SHARE TRANSACTIONS (2)
   Issued        --Regular  . . . . . . . . . . .          188,259            234,511       1,091,595       928,054
                 --In Lieu of Cash Distributions            56,112             66,482          38,465        24,394
                 --Exchange   . . . . . . . . . .          133,058            100,416         234,042       333,652
   Redeemed      --Regular  . . . . . . . . . . .         (143,084)          (208,799)       (979,004)     (820,445)
                 --Exchange   . . . . . . . . . .         (122,841)          (216,183)       (290,386)     (295,925)
- -------------------------------------------------------------------------------------------------------------------
      Net Increase (Decrease) from
         Capital Share Transactions . . . . . . .          111,504            (23,573)         94,712       169,730
- -------------------------------------------------------------------------------------------------------------------
      Total Increase (Decrease)   . . . . . . . .          270,183           (197,502)         94,703       169,708
- -------------------------------------------------------------------------------------------------------------------
NET ASSETS
   Beginning of Year  . . . . . . . . . . . . . .        1,298,855          1,496,357       1,104,981       935,273
- -------------------------------------------------------------------------------------------------------------------
   End of Year  . . . . . . . . . . . . . . . . .       $1,569,038         $1,298,855     $ 1,199,684   $ 1,104,981
===================================================================================================================
   (1)   Distributions Per Share
         Net Investment Income  . . . . . . . . .            $.612              $.625           $.036         $.025
         Realized Net Gain  . . . . . . . . . . .               --              $.079              --            --
- -------------------------------------------------------------------------------------------------------------------
   (2)   Shares Issued and Redeemed
         Issued . . . . . . . . . . . . . . . . .           29,723             30,537       1,325,637     1,261,706
         Issued in Lieu of Cash Distributions . .            5,152              6,106          38,465        24,394
         Redeemed . . . . . . . . . . . . . . . .          (24,765)           (39,341)     (1,269,390)   (1,116,370)
- -------------------------------------------------------------------------------------------------------------------
                                                            10,110             (2,698)         94,712       169,730
- -------------------------------------------------------------------------------------------------------------------
</TABLE>





                                      18
<PAGE>   21
                             FINANCIAL HIGHLIGHTS

<TABLE>
<CAPTION>
                                                                                        INSURED LONG-TERM PORTFOLIO
- ---------------------------------------------------------------------------------------------------------------------------------
                                                                                            Year Ended November 30,
                                                                         --------------------------------------------------------
For a Share Outstanding Throughout Each Year                                 1995        1994        1993         1992     1991
- ---------------------------------------------------------------------------------------------------------------------------------
<S>                                                                       <C>          <C>        <C>          <C>       <C>
NET ASSET VALUE, BEGINNING OF YEAR  . . . . . . . . . . . . . . .          $10.07      $11.36      $10.96       $10.47   $10.19
                                                                           ------      ------      ------       ------   ------
INVESTMENT OPERATIONS                                                                                      
      Net Investment Income   . . . . . . . . . . . . . . . . . .            .612        .625        .631         .664     .667
      Net Realized and Unrealized Gain (Loss)                                                                 
         on Investments . . . . . . . . . . . . . . . . . . . . .           1.210      (1.211)       .624         .520     .286
                                                                           ------      ------      ------       ------   ------
         TOTAL FROM INVESTMENT OPERATIONS   . . . . . . . . . . .           1.822       (.586)      1.255        1.184     .953
- ---------------------------------------------------------------------------------------------------------------------------------
DISTRIBUTIONS                                                                                              
   Dividends from Net Investment Income . . . . . . . . . . . . .           (.612)      (.625)      (.631)       (.664)   (.667)
   Distributions from Realized Capital Gains  . . . . . . . . . .              --       (.079)      (.224)       (.030)   (.006)
                                                                           ------      ------      ------       ------   ------
         TOTAL DISTRIBUTIONS  . . . . . . . . . . . . . . . . . .           (.612)      (.704)      (.855)       (.694)   (.673)
- ---------------------------------------------------------------------------------------------------------------------------------
NET ASSET VALUE, END OF YEAR  . . . . . . . . . . . . . . . . . .          $11.28      $10.07      $11.36       $10.96   $10.47
=================================================================================================================================
TOTAL RETURN    . . . . . . . . . . . . . . . . . . . . . . . . .         +18.48%      -5.44%     +11.90%      +11.65%   +9.65%
- ---------------------------------------------------------------------------------------------------------------------------------
RATIOS/SUPPLEMENTAL DATA                                                                                   
- ------------------------
Net Assets, End of Year (Millions)  . . . . . . . . . . . . . . .          $1,569      $1,299      $1,496       $1,130     $828
Ratio of Expenses to Average Net Assets . . . . . . . . . . . . .            .20%        .20%        .20%        .24%+    .25%+
Ratio of Net Investment Income to                                                                          
   Average Net Assets . . . . . . . . . . . . . . . . . . . . . .           5.63%       5.76%       5.61%        6.17%    6.46%
Portfolio Turnover Rate . . . . . . . . . . . . . . . . . . . . .             12%         16%         14%          17%       2%
- ---------------------------------------------------------------------------------------------------------------------------------
</TABLE>
+Insurance expense represents .01% and .01%.





                                      19
<PAGE>   22
                       FINANCIAL HIGHLIGHTS (continued)

<TABLE>
<CAPTION>
                                                                               MONEY MARKET PORTFOLIO
- ---------------------------------------------------------------------------------------------------------------------
                                                                              Year Ended November 30,
                                                                -----------------------------------------------------
For a Share Outstanding Throughout Each Year                       1995      1994       1993       1992       1991
- ---------------------------------------------------------------------------------------------------------------------
<S>                                                              <C>      <C>         <C>       <C>        <C>
NET ASSET VALUE, BEGINNING OF YEAR  . . . . . . .                 $1.00     $1.00      $1.00      $1.00      $1.00
                                                                  -----     -----      -----      -----      -----
INVESTMENT OPERATIONS                                             
   Net Investment Income  . . . . . . . . . . . .                  .036      .025       .024       .029       .045
   Net Realized and Unrealized Gain (Loss)
         on Investments . . . . . . . . . . . . .                    --        --         --         --         --
                                                                  -----     -----      -----      -----      -----
         TOTAL FROM INVESTMENT OPERATIONS   . . .                  .036      .025       .024       .029       .045
- ---------------------------------------------------------------------------------------------------------------------
DISTRIBUTIONS
   Dividends from Net Investment Income . . . . .                 (.036)    (.025)     (.024)     (.029)     (.045)
   Distributions from Realized Capital Gains  . .                    --        --         --         --         --
                                                                  -----     -----      -----      -----      -----
         TOTAL DISTRIBUTIONS  . . . . . . . . . .                 (.036)    (.025)     (.024)     (.029)     (.045)
- ---------------------------------------------------------------------------------------------------------------------
NET ASSET VALUE, END OF YEAR  . . . . . . . . . .                 $1.00     $1.00      $1.00      $1.00      $1.00
=====================================================================================================================
TOTAL RETURN    . . . . . . . . . . . . . . . . .                +3.69%    +2.57%     +2.38%     +2.96%     +4.59%
- ---------------------------------------------------------------------------------------------------------------------
RATIOS/SUPPLEMENTAL DATA
- ------------------------
Net Assets, End of Year (Millions)  . . . . . . .                $1,200    $1,105       $935       $782       $818
Ratio of Expenses to Average Net Assets . . . . .                  .20%      .20%       .20%       .24%       .24%
Ratio of Net Investment Income to
   Average Net Assets . . . . . . . . . . . . . .                 3.62%     2.55%      2.35%      2.93%      4.48%
Portfolio Turnover Rate . . . . . . . . . . . . .                   N/A       N/A        N/A        N/A        N/A
- ---------------------------------------------------------------------------------------------------------------------
</TABLE>





                                      20
<PAGE>   23
                         NOTES TO FINANCIAL STATEMENTS

Vanguard Pennsylvania Tax-Free Fund is registered under the Investment Company
Act of 1940 as an open-end investment company and consists of the Insured
Long-Term and Money Market Portfolios. Each Portfolio invests in debt
instruments of municipal issuers whose ability to meet their obligations may be
affected by economic and political developments in the Commonwealth of
Pennsylvania.

A.   The following significant accounting policies are in conformity with
generally accepted accounting principles for investment companies.  Such
policies are consistently followed by the Fund in the preparation of financial
statements.

1.   SECURITY VALUATION: Money Market Portfolio:  investment securities are
     stated at amortized cost which approximates market value. Insured
     Long-Term Portfolio: municipal bonds are valued utilizing primarily the
     latest bid prices or, if bid prices are not available, on the basis of
     valuations based on a matrix system (which considers such factors as
     security prices, yields, maturities, and ratings), both as furnished by an
     independent pricing service.

2.   FEDERAL INCOME TAXES: Each Portfolio of the  Fund intends to continue to
     qualify as a regulated investment company and distribute all of its
     income. Accordingly, no provision for Federal income taxes is required in
     the financial statements.

3.   FUTURES: The Insured Long-Term Portfolio  utilizes Municipal Bond Index,
     U.S. Treasury Bond, and U.S. Treasury Note futures contracts to a limited
     extent, with the objectives of enhancing returns, managing interest rate
     risk, maintaining liquidity, diversifying credit risk, and minimizing
     transaction costs. The Portfolio may purchase futures contracts instead of
     municipal bonds when futures contracts are believed to be priced more
     attractively than municipal bonds. The Portfolio may also seek to take
     advantage of price differences among bond market sectors by simultaneously
     buying futures (or bonds) of one market sector and selling futures (or
     bonds) of another sector.  Futures contracts may also be used to simulate
     a fully invested position in the underlying bonds while maintaining a cash
     balance for liquidity.

     The primary risks associated with the use of futures contracts are
     imperfect correlation between changes in market values of bonds held by
     the Portfolio and the prices of futures contracts, and the possibility of
     an illiquid market. Futures contracts are valued based upon their quoted
     daily settlement prices. Fluctuations in the values of futures contracts
     are recorded as unrealized appreciation (depreciation) until terminated at
     which time realized gains (losses) are recognized. Unrealized appreciation
     (depreciation) related to open futures contracts is required to be treated
     as realized gain (loss) for Federal income tax purposes.

4.   DISTRIBUTIONS: Distributions from net  investment income are declared on a
     daily basis payable on the first business day of the following month.
     Annual distributions from realized gains, if any, are recorded on the
     ex-dividend date. Capital  gain distributions are determined on a tax
     basis and may differ from realized capital gains for financial reporting
     purposes due to differences in the timing of realization of gains.

5.   OTHER: Security transactions are accounted  for on the date the securities
     are purchased or sold. Costs used in determining realized gains and losses
     on the sale of investment securities are those of specific securities
     sold. Premiums and original issue discounts are amortized and accreted,
     respectively, to interest income over the lives of the respective
     securities.





                                      21
<PAGE>   24
                  NOTES TO FINANCIAL STATEMENTS (continued)

B.  The Vanguard Group, Inc. furnishes at cost  investment advisory, corporate
management, administrative, marketing, and distribution services. The costs of
such services are allocated to the Fund under methods approved by the Board of
Trustees.  At November 30, 1995, the Fund had contributed capital aggregating
$329,000 to Vanguard (included in Other Assets), representing 1.6% of
Vanguard's capitalization. The Fund's officers and trustees are also officers
and directors of Vanguard.

C.  The Fund's custodian bank has agreed to reduce its fees when the Fund
maintains cash on deposit in the non-interest bearing custodian account. For
the year ended November 30, 1995, custodian fee offset arrangements reduced
expenses of the Insured Long-Term and Money Market Portfolios by $38,000 and
$36,000, respectively.

D.  During the year ended November 30, 1995, the Insured Long-Term Portfolio
made purchases of $286,181,000 and sales of $152,051,000 of investment
securities other than temporary cash investments. The Insured Long-Term
Portfolio utilized a capital loss carryforward of $970,000 to offset taxable
capital gains realized during the year ended November 30, 1995.

E.  At November 30, 1995, unrealized appreciation of investment securities of
the Insured Long-Term Portfolio for financial reporting and Federal income tax
purposes aggregated $102,420,000, all of which related to appreciated
securities.

At November 30, 1995, the Insured Long-Term Portfolio had long positions in
Municipal Bond Index futures contracts expiring in December 1995, with an
aggregate settlement value and net unrealized appreciation of $44,974,000 and
$1,897,000, respectively. The aggregate settlement value of short positions in
U.S. Treasury Bond futures contracts expiring in December 1995, and the related
unrealized depreciation were $92,420,000 and $3,555,000, respectively. The
market value of securities deposited as initial margin for open futures
contracts was $4,013,000.





                                      22
<PAGE>   25
                      REPORT OF INDEPENDENT ACCOUNTANTS

To the Shareholders and Board of Trustees
Vanguard Pennsylvania Tax-Free Fund

In our opinion, the accompanying statements of net assets and the related
statements of operations and of changes in net assets and the financial
highlights present fairly, in all material respects, the financial position of
the Insured Long-Term Portfolio and the Money Market Portfolio (constituting
the Vanguard Pennsylvania Tax-Free Fund, hereafter referred to as the "Fund")
at November 30, 1995, and the results of each of their operations, the changes
in each of their net assets and the financial highlights for each of the
respective periods presented, in conformity with generally accepted accounting
principles.  These financial statements and financial highlights (hereafter
referred to as "financial statements") are the responsibility of the Fund's
management; our responsibility is to express an opinion on these financial
statements based on our audits. We conducted our audits of these financial
statements in accordance with generally accepted auditing standards which
require that we plan and perform the audit to obtain reasonable assurance about
whether the financial statements are free of material misstatement. An audit
includes examining, on a test basis, evidence supporting the amounts and
disclosures in the financial statements, assessing the accounting principles
used and significant estimates made by management, and evaluating the overall
financial statement presentation. We believe that our audits, which included
confirmation of securities by correspondence with the custodian and brokers and
the application of alternative auditing procedures where confirmations from
brokers were not received, provide a reasonable basis for the opinion expressed
above.

PRICE WATERHOUSE LLP

Thirty South Seventeenth Street
Philadelphia, Pennsylvania 19103
December 29, 1995





                                      23
<PAGE>   26
                            TRUSTEES AND OFFICERS

                                       
JOHN C. BOGLE, Chairman and Chief Executive Officer 
Chairman and Director of The Vanguard Group, Inc., and of each of the
investment companies in The Vanguard Group.

JOHN J. BRENNAN, President
President and Director of The Vanguard Group, Inc., and of each of the
investment companies in The Vanguard Group.

ROBERT E. CAWTHORN, Chairman of Rhone-Poulenc Rorer Inc.; Director of Sun
Company, Inc.

BARBARA BARNES HAUPTFUHRER, Director of The Great Atlantic and Pacific Tea Co.,
Alco Standard Corp., Raytheon Co., Knight-Ridder, Inc., and Massachusetts
Mutual Life Insurance Co.

BURTON G. MALKIEL, Chemical Bank Chairman's Professor of Economics, Princeton
University; Director of Prudential Insurance Co. of America, Amdahl Corp.,
Baker Fentress & Co., The Jeffrey Co., and Southern New England Communications
Co.

ALFRED M. RANKIN, JR., Chairman, President, and Chief Executive Officer of
NACCO Industries, Inc.; Director of NACCO Industries, The BFGoodrich Co., and
The Standard Products Co.

JOHN C. SAWHILL, President and Chief Executive Officer of The Nature
Conservancy; formerly, Director and Senior Partner of McKinsey & Co. and
President of New York University; Director of Pacific Gas and Electric Co. and
NACCO Industries.

JAMES O. WELCH, JR., Retired Chairman of Nabisco Brands, Inc.; retired Vice
Chairman and Director of RJR Nabisco; Director of TECO Energy, Inc. and Kmart
Corp.

J. LAWRENCE WILSON, Chairman and Chief Executive Officer of Rohm & Haas Co.;
Director of Cummins Engine Co.; Trustee of Vanderbilt University.

OTHER FUND OFFICERS

RAYMOND J. KLAPINSKY, Secretary; Senior Vice President and Secretary of The
Vanguard Group, Inc.; Secretary of each of the investment companies in The
Vanguard Group.

RICHARD F. HYLAND, Treasurer; Treasurer of The Vanguard Group, Inc., and of
each of the investment companies in The Vanguard Group.

KAREN E. WEST, Controller; Vice President of The Vanguard Group, Inc.;
Controller of each of the investment companies in The Vanguard Group.

OTHER VANGUARD GROUP OFFICERS

ROBERT A. DISTEFANO           IAN A. MACKINNON
Senior Vice President         Senior Vice President
Information Technology        Fixed Income Group

JEREMY G. DUFFIELD            F. WILLIAM MCNABB III
Senior Vice President         Senior Vice President
Planning & Development        Institutional

JAMES H. GATELY               RALPH K. PACKARD
Senior Vice President         Senior Vice President
Individual Investor Group     Chief Financial Officer





                                      24
<PAGE>   27
                         THE VANGUARD FAMILY OF FUNDS

                          EQUITY AND BALANCED FUNDS

GROWTH AND INCOME FUNDS
Vanguard/Windsor Fund
Vanguard/Windsor II
Vanguard Equity Income Fund
Vanguard Quantitative Portfolios
Vanguard/Trustees' Equity Fund
 U.S. Portfolio
Vanguard Convertible
 Securities Fund

BALANCED FUNDS
Vanguard/Wellington Fund
Vanguard/Wellesley Income Fund
Vanguard STAR Portfolio
Vanguard Asset Allocation Fund
Vanguard LIFEStrategy Funds

GROWTH FUNDS
Vanguard/Morgan Growth Fund
Vanguard/PRIMECAP Fund
Vanguard U.S. Growth Portfolio

AGGRESSIVE GROWTH FUNDS
Vanguard Explorer Fund
Vanguard Specialized Portfolios
Vanguard Horizon Fund
 Global Equity Portfolio
 Global Asset Allocation Portfolio
 Capital Opportunity Portfolio
 Aggressive Growth Portfolio

INTERNATIONAL FUNDS
Vanguard International
 Growth Portfolio
Vanguard/Trustees' Equity Fund
 International Portfolio


                                 INDEX FUNDS
Vanguard Index Trust
 500 Portfolio
 Total Stock Market Portfolio
 Extended Market Portfolio
 Growth Portfolio
 Value Portfolio
 Small Capitalization Stock Portfolio

Vanguard Tax-Managed Fund
Vanguard Balanced Index Fund
Vanguard Bond Index Fund
 Total Bond Market Portfolio
 Short-Term Bond Portfolio
 Intermediate-Term Bond Portfolio
 Long-Term Bond Portfolio

Vanguard International Equity
 Index Fund
 European Portfolio
 Pacific Portfolio
 Emerging Markets Portfolio

                              FIXED INCOME FUNDS
MONEY MARKET FUNDS
Vanguard Money Market Reserves
Vanguard Admiral Fund
 U.S. Treasury Money Market Portfolio

TAX-EXEMPT MONEY MARKET FUNDS
Vanguard Municipal Bond Fund
 Money Market Portfolio
Vanguard State Tax-Free Funds
 Money Market Portfolios
 (CA, NJ, OH, PA)

TAX-EXEMPT INCOME FUNDS
Vanguard Municipal Bond Fund
Vanguard State Tax-Free Funds
 Insured Longer-Term Portfolios
 (CA, FL, NJ, NY, OH, PA)

INCOME FUNDS
Vanguard Fixed Income
 Securities Fund
Vanguard Admiral Fund
Vanguard Preferred Stock Fund


              [THE VANGUARD GROUP OF INVESTMENT COMPANIES LOGO]

This Report has been prepared for shareholders and may be distributed to others
only if preceded or accompanied by a current prospectus. All Funds in the
Vanguard Family are offered by prospectus only.


                           Vanguard Financial Center
                        Valley Forge, Pennsylvania 19482

                            New Account Information:
                                1 (800) 662-7447

                         Shareholder Account Services:
                                1 (800) 662-2739


                                   Q770-11/95

ON OUR COVER: On the evening of August 1, 1798, Lord Horatio Nelson sailed his
flagship, HMS Vanguard, into Egypt's Aboukir Bay. In a night encounter, the
British fleet annihilated Napoleon Bonaparte's ships of the line in what is
still considered to be the most complete victory ever recorded in naval
history. Our Report's cover illustration is Thomas Luny's 1830 painting, The
Battle Of The Nile, in which the French flagship, L'Orient, is shown as it
exploded at 10:00 p.m. under a gibbous moon.
<PAGE>   28

                      VANGUARD PENNSYLVANIA TAX-FREE FUND
                                 EDGAR APPENDIX

This appendix describes the components of the printed version of this report
that do not translate into a format acceptable to the EDGAR system.

The cover of the printed version of this report features Thomas Luny's 1830
painting "The Battle Of The Nile".

A photograph of John C. Brennan and John C. Bogle appears on the inside cover
top-center.

A running head featuring a sword, helmet, gloves and battleships in the
background appears at the top of pages one through six.

Line charts illustrating cumulative performance between Vanguard Pennsylvania
Insured Long-Term Portfolio, Lehman Municipal Bond Index and Average
Pennsylvania Municipal Fund, average Annual Total Returns for the period April
7, 1986, to November 30, 1995 appear at the top of page two.

A line chart of the Month-End Yields of 30-Year Prime Municipal Bond and 90-Day
MIG 1 Note for the fiscal years 1991 through 1995 appears at the upper left of
page three.

A running head featuring an hour glass, compass & telescope, and battleships in
the background appears at the top of page seven.

A running head featuring ships wheel, rope and battleships in the background
appears at the top of pages eight & nine.

A running head featuring open log book, pen and battleships in the background
appears at the top of pages ten through twenty three.

A running head featuring a sextant, a map, and battleships in the background
appears at the top of page twenty four.

A running head featuring birds flying and ships in the background appears at
the top of the inside back cover.


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