<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000892538
<NAME> SUNAMERICA SERIES TRUST
<SERIES>
<NUMBER> 013
<NAME> SUNAMERICA SERIES TRUST WORLDWIDE HIGH INCOME 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> 125,208,219
<INVESTMENTS-AT-VALUE> 116,600,265
<RECEIVABLES> 3,990,937
<ASSETS-OTHER> 115,618
<OTHER-ITEMS-ASSETS> 1,393,885
<TOTAL-ASSETS> 122,100,705
<PAYABLE-FOR-SECURITIES> 597,125
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 228,678
<TOTAL-LIABILITIES> 825,803
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 137,057,741
<SHARES-COMMON-STOCK> 11,197,902
<SHARES-COMMON-PRIOR> 11,745,783
<ACCUMULATED-NII-CURRENT> 19,584,487
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (26,903,467)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (8,463,859)
<NET-ASSETS> 121,274,902
<DIVIDEND-INCOME> 37,878
<INTEREST-INCOME> 7,281,379
<OTHER-INCOME> 0
<EXPENSES-NET> 676,857
<NET-INVESTMENT-INCOME> 6,642,400
<REALIZED-GAINS-CURRENT> 3,442,965
<APPREC-INCREASE-CURRENT> (7,230,314)
<NET-CHANGE-FROM-OPS> 2,855,051
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,511,678
<NUMBER-OF-SHARES-REDEEMED> (2,059,559)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (3,128,619)
<ACCUMULATED-NII-PRIOR> 12,942,087
<ACCUMULATED-GAINS-PRIOR> (30,346,432)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 612,657
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 681,556
<AVERAGE-NET-ASSETS> 123,204,735
<PER-SHARE-NAV-BEGIN> 10.59
<PER-SHARE-NII> 0.57
<PER-SHARE-GAIN-APPREC> (0.33)
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.83
<EXPENSE-RATIO> 1.10
</TABLE>
