<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information extracted from the AARP
U.S. Stock Index Fund Semiannual Report for the six months ended 3/31/2000 and
is qualified in its entirety by reference to such financial statements.
</LEGEND>
<SERIES>
<NUMBER> 5
<NAME> AARP U.S. Stock Index Fund
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-START> OCT-01-1999
<PERIOD-END> MAR-31-2000
<INVESTMENTS-AT-COST> 724,657,921
<INVESTMENTS-AT-VALUE> 863,024,733
<RECEIVABLES> 7,343,462
<ASSETS-OTHER> 392
<OTHER-ITEMS-ASSETS> 5,423
<TOTAL-ASSETS> 870,374,010
<PAYABLE-FOR-SECURITIES> 4,773,196
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,645,364
<TOTAL-LIABILITIES> 6,418,560
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 718,537,040
<SHARES-COMMON-STOCK> 30,369,827
<SHARES-COMMON-PRIOR> 23,658,097
<ACCUMULATED-NII-CURRENT> (17,411)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 7,064,517
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 138,371,304
<NET-ASSETS> 863,955,450
<DIVIDEND-INCOME> 5,562,468
<INTEREST-INCOME> 359,970
<OTHER-INCOME> (4,827)
<EXPENSES-NET> 2,143,674
<NET-INVESTMENT-INCOME> 3,773,937
<REALIZED-GAINS-CURRENT> 7,484,430
<APPREC-INCREASE-CURRENT> 102,539,009
<NET-CHANGE-FROM-OPS> 113,797,376
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (4,028,866)
<DISTRIBUTIONS-OF-GAINS> (909,867)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 306,398,967
<NUMBER-OF-SHARES-REDEEMED> (132,968,025)
<SHARES-REINVESTED> 4,692,249
<NET-CHANGE-IN-ASSETS> 286,981,834
<ACCUMULATED-NII-PRIOR> 237,518
<ACCUMULATED-GAINS-PRIOR> 489,954
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,104,330
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,537,894
<AVERAGE-NET-ASSETS> 725,680,620
<PER-SHARE-NAV-BEGIN> 24.39
<PER-SHARE-NII> 0.14
<PER-SHARE-GAIN-APPREC> 4.11
<PER-SHARE-DIVIDEND> (0.15)
<PER-SHARE-DISTRIBUTIONS> (0.04)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 28.45
<EXPENSE-RATIO> 0.55
</TABLE>
