<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000892538
<NAME> SUNAMERICA SERIES TRUST
<SERIES>
<NUMBER> 025
<NAME> SUNAMERICA SERIES TRUST SMALL COMPANY VALUE PORTFOLIO
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JAN-31-2001
<PERIOD-START> FEB-01-2000
<PERIOD-END> JUL-31-2000
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<INVESTMENTS-AT-VALUE> 6,008,248
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<OTHER-ITEMS-ASSETS> 9,990
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<PAYABLE-FOR-SECURITIES> 81,528
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 33,499
<TOTAL-LIABILITIES> 115,027
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 5,084,105
<SHARES-COMMON-STOCK> 507,376
<SHARES-COMMON-PRIOR> 496,944
<ACCUMULATED-NII-CURRENT> (13,092)
<OVERDISTRIBUTION-NII> 0
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<OVERDISTRIBUTION-GAINS> 0
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<OTHER-INCOME> 0
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<NET-INVESTMENT-INCOME> (13,092)
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<APPREC-INCREASE-CURRENT> 72,512
<NET-CHANGE-FROM-OPS> 581,851
<EQUALIZATION> 0
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<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 60,344
<NUMBER-OF-SHARES-REDEEMED> (49,912)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 700,885
<ACCUMULATED-NII-PRIOR> 0
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<OVERDISTRIB-NII-PRIOR> 0
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<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.68
<EXPENSE-RATIO> 1.40
</TABLE>
