<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000866707
<NAME> PIONEER EUROPE FUND
<SERIES>
<NUMBER> 002
<NAME> PIONEER EUROPE FUND CLASS B
<CURRENCY> US
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-END> APR-30-2000
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 442036007
<INVESTMENTS-AT-VALUE> 584065954
<RECEIVABLES> 15921941
<ASSETS-OTHER> 3501
<OTHER-ITEMS-ASSETS> 92
<TOTAL-ASSETS> 599991488
<PAYABLE-FOR-SECURITIES> 2459267
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3029020
<TOTAL-LIABILITIES> 5488287
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 431329487
<SHARES-COMMON-STOCK> 5197347
<SHARES-COMMON-PRIOR> 4257893
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 2168858
<ACCUMULATED-NET-GAINS> 23407652
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 141934920
<NET-ASSETS> 594503201
<DIVIDEND-INCOME> 2733313
<INTEREST-INCOME> 486941
<OTHER-INCOME> 0
<EXPENSES-NET> 5372061
<NET-INVESTMENT-INCOME> (2151807)
<REALIZED-GAINS-CURRENT> 23409003
<APPREC-INCREASE-CURRENT> 84913902
<NET-CHANGE-FROM-OPS> 106171098
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 4718142
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1759064
<NUMBER-OF-SHARES-REDEEMED> 949498
<SHARES-REINVESTED> 129888
<NET-CHANGE-IN-ASSETS> 146910144
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 15705702
<OVERDISTRIB-NII-PRIOR> 1924
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2608242
<INTEREST-EXPENSE> 950
<GROSS-EXPENSE> 5405274
<AVERAGE-NET-ASSETS> 175245317
<PER-SHARE-NAV-BEGIN> 30.38
<PER-SHARE-NII> (0.16)
<PER-SHARE-GAIN-APPREC> 7.35
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 1.11
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 36.46
<EXPENSE-RATIO> 2.38
</TABLE>