<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000892538
<NAME> SUNAMERICA SERIES TRUST
<SERIES>
<NUMBER> 21
<NAME> SUNAMERICA SERIES TRUST EMERGING MARKETS
<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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<PAID-IN-CAPITAL-COMMON> 101,988,684
<SHARES-COMMON-STOCK> 11,050,942
<SHARES-COMMON-PRIOR> 9,339,236
<ACCUMULATED-NII-CURRENT> (358,558)
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<APPREC-INCREASE-CURRENT> (28,665,029)
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<NET-CHANGE-IN-ASSETS> (262,099)
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</TABLE>
