<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 10
<NAME> AXP MID CAP INDEX FUND CLASS D
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JAN-31-2000
<PERIOD-END> JUL-31-2000
<INVESTMENTS-AT-COST> 15056408
<INVESTMENTS-AT-VALUE> 16474679
<RECEIVABLES> 170798
<ASSETS-OTHER> 227189
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 16872666
<PAYABLE-FOR-SECURITIES> 357850
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 27480
<TOTAL-LIABILITIES> 385330
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 13360718
<SHARES-COMMON-STOCK> 1045292
<SHARES-COMMON-PRIOR> 700920
<ACCUMULATED-NII-CURRENT> 53873
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1654474
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1418271
<NET-ASSETS> 6770720
<DIVIDEND-INCOME> 85605
<INTEREST-INCOME> 0
<OTHER-INCOME> 0
<EXPENSES-NET> 40187
<NET-INVESTMENT-INCOME> 45418
<REALIZED-GAINS-CURRENT> 1414226
<APPREC-INCREASE-CURRENT> 247410
<NET-CHANGE-FROM-OPS> 1707054
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 363143
<NUMBER-OF-SHARES-REDEEMED> 18771
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 4315068
<ACCUMULATED-NII-PRIOR> 8455
<ACCUMULATED-GAINS-PRIOR> 240248
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 19028
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 96753
<AVERAGE-NET-ASSETS> 5468838
<PER-SHARE-NAV-BEGIN> 5.71
<PER-SHARE-NII> .02
<PER-SHARE-GAIN-APPREC> .75
<PER-SHARE-DIVIDEND> .00
<PER-SHARE-DISTRIBUTIONS> .00
<RETURNS-OF-CAPITAL> .00
<PER-SHARE-NAV-END> 6.48
<EXPENSE-RATIO> .70
</TABLE>
