<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000892538
<NAME> SUNAMERICA SERIES TRUST
<SERIES>
<NUMBER> 04
<NAME> SUNAMERICA SERIES TRUST PUTNAM GROWTH 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> 666,466,583
<INVESTMENTS-AT-VALUE> 847,658,254
<RECEIVABLES> 5,889,341
<ASSETS-OTHER> 9,757
<OTHER-ITEMS-ASSETS> 962
<TOTAL-ASSETS> 853,558,314
<PAYABLE-FOR-SECURITIES> 5,352,176
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,646,908
<TOTAL-LIABILITIES> 6,999,084
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 572,588,953
<SHARES-COMMON-STOCK> 31,271,363
<SHARES-COMMON-PRIOR> 29,607,550
<ACCUMULATED-NII-CURRENT> (694,915)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 93,473,521
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 181,191,671
<NET-ASSETS> 846,559,230
<DIVIDEND-INCOME> 2,112,300
<INTEREST-INCOME> 443,041
<OTHER-INCOME> 0
<EXPENSES-NET> 3,250,256
<NET-INVESTMENT-INCOME> (694,915)
<REALIZED-GAINS-CURRENT> 23,484,748
<APPREC-INCREASE-CURRENT> (6,089,551)
<NET-CHANGE-FROM-OPS> 16,700,282
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 5,284,155
<NUMBER-OF-SHARES-REDEEMED> (3,620,342)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 62,663,110
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 69,988,773
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3,084,913
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,251,551
<AVERAGE-NET-ASSETS> 832,675,280
<PER-SHARE-NAV-BEGIN> 26.48
<PER-SHARE-NII> (0.02)
<PER-SHARE-GAIN-APPREC> 0.61
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 27.07
<EXPENSE-RATIO> 0.78
</TABLE>
