<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000892538
<NAME> SUNAMERICA SERIES TRUST
<SERIES>
<NUMBER> 19
<NAME> SUNAMERICA SERIES TRUST REAL ESTATE PORTFOLIO
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JAN-31-2001
<PERIOD-START> FEB-01-2000
<PERIOD-END> JUL-31-2000
<INVESTMENTS-AT-COST> 63,594,711
<INVESTMENTS-AT-VALUE> 70,322,329
<RECEIVABLES> 208,091
<ASSETS-OTHER> 3,315
<OTHER-ITEMS-ASSETS> 1,292
<TOTAL-ASSETS> 70,535,027
<PAYABLE-FOR-SECURITIES> 259,475
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 161,165
<TOTAL-LIABILITIES> 420,640
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 72,541,554
<SHARES-COMMON-STOCK> 6,708,048
<SHARES-COMMON-PRIOR> 6,306,597
<ACCUMULATED-NII-CURRENT> 3,940,971
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (13,095,756)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 6,727,618
<NET-ASSETS> 70,114,387
<DIVIDEND-INCOME> 1,645,535
<INTEREST-INCOME> 120,270
<OTHER-INCOME> 0
<EXPENSES-NET> 298,609
<NET-INVESTMENT-INCOME> 1,467,196
<REALIZED-GAINS-CURRENT> (1,101,654)
<APPREC-INCREASE-CURRENT> 12,562,543
<NET-CHANGE-FROM-OPS> 12,928,085
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3,914,668
<NUMBER-OF-SHARES-REDEEMED> (3,513,217)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 16,348,683
<ACCUMULATED-NII-PRIOR> 2,473,775
<ACCUMULATED-GAINS-PRIOR> (11,994,102)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 249,004
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 298,791
<AVERAGE-NET-ASSETS> 62,593,017
<PER-SHARE-NAV-BEGIN> 8.53
<PER-SHARE-NII> 0.22
<PER-SHARE-GAIN-APPREC> 1.70
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.45
<EXPENSE-RATIO> 0.96
</TABLE>