PIONEER EMERGING MARKETS FUND
NSAR-B, 2000-01-27
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<PAGE>      PAGE  1
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SIGNATURE   ROBERT P. NAULT
TITLE       ASST. SECRETARY



<TABLE> <S> <C>

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<CIK> 0000921023
<NAME> PIONEER EMERGING MARKETS FUND
<SERIES>
   <NUMBER> 001
   <NAME> PIONEER EMERGING MARKETS FUND CLASS A

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<NAME> PIONEER EMERGING MARKETS FUND
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   <NAME> PIONEER EMERGING MARKETS FUND CLASS B

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<CIK> 0000921023
<NAME> PIONEER EMERGING MARKETS FUND
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   <NUMBER> 003
   <NAME> PIONEER EMERGING MARKETS FUND CLASS C

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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000921023
<NAME> PIONEER EMERGING MARKETS FUND
<SERIES>
   <NUMBER> 004
   <NAME> PIONEER EMERGING MARKETS FUND CLASS Y

<S>                             <C>
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<INVESTMENTS-AT-VALUE>                       182434063
<RECEIVABLES>                                  7941291
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<PAYABLE-FOR-SECURITIES>                       4846920
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<TOTAL-LIABILITIES>                           13281104
<SENIOR-EQUITY>                                      0
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<SHARES-COMMON-STOCK>                          1945990
<SHARES-COMMON-PRIOR>                           140280
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</TABLE>

                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS

To the Board of Trustees of
Pioneer Emerging Markets Fund:

In planning and  performing  our audit of the  financial  statements  of Pioneer
Emerging  Markets Fund for the year ended  November 30, 1999, we considered  its
internal control,  including control activities for safeguarding securities,  in
order to determine our auditing  procedures  for the purpose of  expressing  our
opinion on the financial  statements and to comply with the requirements of Form
N-SAR, not to provide assurance on internal control.

The management of Pioneer  Emerging Markets Fund is responsible for establishing
and maintaining internal control. In fulfilling this  responsibility,  estimates
and  judgments by  management  are required to assess the expected  benefits and
related  costs of controls.  Generally,  controls  that are relevant to an audit
pertain to the entity's objective of preparing financial statements for external
purposes  that are  fairly  presented  in  conformity  with  generally  accepted
accounting principles. Those controls include the safeguarding of assets against
unauthorized acquisition, use or disposition.

Because of inherent  limitations in internal  control,  error or fraud may occur
and not be detected.  Also,  projection of any evaluation of internal control to
future periods is subject to the risk that it may become  inadequate  because of
changes in conditions or that the  effectiveness of the design and operation may
deteriorate.

Our consideration of internal control would not necessarily disclose all matters
in  internal   control  that  might  be  material   weaknesses  under  standards
established  by the  American  Institute  of  Certified  Public  Accountants.  A
material weakness is a condition in which the design or operation of one or more
of the internal control components does not reduce to a relatively low level the
risk  that  misstatements  caused  by error or fraud in  amounts  that  would be
material in relation to the financial statements being audited may occur and not
be  detected  within a timely  period  by  employees  in the  normal  course  of
performing  their assigned  functions.  However,  we noted no matters  involving
internal  control  and  its  operation,   including  controls  for  safeguarding
securities,  that we consider to be material  weaknesses  as defined above as of
November 30, 1999.

This report is intended solely for the  information  and use of management,  the
Board of Trustees of Pioneer  Emerging  Markets  Fund,  and the  Securities  and
Exchange Commission.


                                                           Arthur Andersen LLP


                                                       /s/ Arthur Andersen LLP

Boston, Massachusetts
January 7, 2000





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