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<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 21763
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 13867
<NUMBER-OF-SHARES-REDEEMED> 11462
<SHARES-REINVESTED> 817
<NET-CHANGE-IN-ASSETS> 222545
<ACCUMULATED-NII-PRIOR> 15
<ACCUMULATED-GAINS-PRIOR> 22165
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 15
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2179
<AVERAGE-NET-ASSETS> 1731719
<PER-SHARE-NAV-BEGIN> 24.07
<PER-SHARE-NII> 0.20
<PER-SHARE-GAIN-APPREC> 2.30
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0.32
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 26.25
<EXPENSE-RATIO> 0.25
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000036405
<NAME> VANGUARD INDEX TRUST
<SERIES>
<NUMBER> 03
<NAME> TOTAL STOCK MARKET PORTFOLIO
<MULTIPLIER> 1,000
<CURRENCY> US
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-START> JAN-01-1996
<PERIOD-END> JUN-30-1996
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 2324137
<INVESTMENTS-AT-VALUE> 2807697
<RECEIVABLES> 710767
<ASSETS-OTHER> 1002
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3519466
<PAYABLE-FOR-SECURITIES> 636405
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 18185
<TOTAL-LIABILITIES> 654590
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2363696
<SHARES-COMMON-STOCK> 174761
<SHARES-COMMON-PRIOR> 104429
<ACCUMULATED-NII-CURRENT> 6259
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 11430
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 483491
<NET-ASSETS> 2864876
<DIVIDEND-INCOME> 18797
<INTEREST-INCOME> 1683
<OTHER-INCOME> 0
<EXPENSES-NET> 2163
<NET-INVESTMENT-INCOME> 18317
<REALIZED-GAINS-CURRENT> 10871
<APPREC-INCREASE-CURRENT> 150501
<NET-CHANGE-FROM-OPS> 179689
<EQUALIZATION> 2511
<DISTRIBUTIONS-OF-INCOME> 15192
<DISTRIBUTIONS-OF-GAINS> 3638
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 76942
<NUMBER-OF-SHARES-REDEEMED> 7671
<SHARES-REINVESTED> 1061
<NET-CHANGE-IN-ASSETS> 1293987
<ACCUMULATED-NII-PRIOR> 623
<ACCUMULATED-GAINS-PRIOR> 4197
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 15
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2163
<AVERAGE-NET-ASSETS> 2026883
<PER-SHARE-NAV-BEGIN> 15.04
<PER-SHARE-NII> 0.14
<PER-SHARE-GAIN-APPREC> 1.36
<PER-SHARE-DIVIDEND> 0.12
<PER-SHARE-DISTRIBUTIONS> 0.03
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.39
<EXPENSE-RATIO> 0.21
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000036405
<NAME> VANGUARD INDEX TRUST
<SERIES>
<NUMBER> 05
<NAME> GROWTH PORTFOLIO
<MULTIPLIER> 1,000
<CURRENCY> US
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-START> JAN-01-1996
<PERIOD-END> JUN-30-1996
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 428760
<INVESTMENTS-AT-VALUE> 511861
<RECEIVABLES> 63933
<ASSETS-OTHER> 50
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 575844
<PAYABLE-FOR-SECURITIES> 64171
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 795
<TOTAL-LIABILITIES> 64966
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 424695
<SHARES-COMMON-STOCK> 33165
<SHARES-COMMON-PRIOR> 19405
<ACCUMULATED-NII-CURRENT> 565
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 2517
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 83101
<NET-ASSETS> 510878
<DIVIDEND-INCOME> 3225
<INTEREST-INCOME> 129
<OTHER-INCOME> 0
<EXPENSES-NET> 391
<NET-INVESTMENT-INCOME> 2963
<REALIZED-GAINS-CURRENT> 2506
<APPREC-INCREASE-CURRENT> 37005
<NET-CHANGE-FROM-OPS> 42474
<EQUALIZATION> 401
<DISTRIBUTIONS-OF-INCOME> 2941
<DISTRIBUTIONS-OF-GAINS> 1562
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 17230
<NUMBER-OF-SHARES-REDEEMED> 3751
<SHARES-REINVESTED> 281
<NET-CHANGE-IN-ASSETS> 239876
<ACCUMULATED-NII-PRIOR> 142
<ACCUMULATED-GAINS-PRIOR> 1573
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 7
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 391
<AVERAGE-NET-ASSETS> 395234
<PER-SHARE-NAV-BEGIN> 13.97
<PER-SHARE-NII> 0.11
<PER-SHARE-GAIN-APPREC> 1.48
<PER-SHARE-DIVIDEND> 0.10
<PER-SHARE-DISTRIBUTIONS> 0.06
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 15.40
<EXPENSE-RATIO> 0.20
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000036405
<NAME> VANGUARD INDEX TRUST
<SERIES>
<NUMBER> 04
<NAME> VALUE PORTFOLIO
<MULTIPLIER> 1,000
<CURRENCY> US
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-START> JAN-01-1996
<PERIOD-END> JUN-30-1996
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 661603
<INVESTMENTS-AT-VALUE> 767757
<RECEIVABLES> 101058
<ASSETS-OTHER> 75
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 868890
<PAYABLE-FOR-SECURITIES> 102794
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1343
<TOTAL-LIABILITIES> 104137
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 635158
<SHARES-COMMON-STOCK> 48817
<SHARES-COMMON-PRIOR> 33551
<ACCUMULATED-NII-CURRENT> 3399
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 20038
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 106158
<NET-ASSETS> 764753
<DIVIDEND-INCOME> 8879
<INTEREST-INCOME> 112
<OTHER-INCOME> 0
<EXPENSES-NET> 629
<NET-INVESTMENT-INCOME> 8362
<REALIZED-GAINS-CURRENT> 20346
<APPREC-INCREASE-CURRENT> 19009
<NET-CHANGE-FROM-OPS> 47717
<EQUALIZATION> 996
<DISTRIBUTIONS-OF-INCOME> 6154
<DISTRIBUTIONS-OF-GAINS> 9527
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 18184
<NUMBER-OF-SHARES-REDEEMED> 3839
<SHARES-REINVESTED> 920
<NET-CHANGE-IN-ASSETS> 268426
<ACCUMULATED-NII-PRIOR> 195
<ACCUMULATED-GAINS-PRIOR> 9219
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 8
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 629
<AVERAGE-NET-ASSETS> 634265
<PER-SHARE-NAV-BEGIN> 14.79
<PER-SHARE-NII> 0.20
<PER-SHARE-GAIN-APPREC> 1.06
<PER-SHARE-DIVIDEND> 0.14
<PER-SHARE-DISTRIBUTIONS> 0.24
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 15.67
<EXPENSE-RATIO> 0.20
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000036405
<NAME> VANGUARD INDEX TRUST
<SERIES>
<NUMBER> 06
<NAME> SMALL CAPITALIZATION STOCK PORTFOLIO
<MULTIPLIER> 1,000
<CURRENCY> US
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-START> JAN-01-1996
<PERIOD-END> JUN-30-1996
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 1210211
<INVESTMENTS-AT-VALUE> 1449518
<RECEIVABLES> 99639
<ASSETS-OTHER> 713
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1549870
<PAYABLE-FOR-SECURITIES> 70596
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 29243
<TOTAL-LIABILITIES> 99839
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1151713
<SHARES-COMMON-STOCK> 70434
<SHARES-COMMON-PRIOR> 52196
<ACCUMULATED-NII-CURRENT> 8446
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 51446
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 238426
<NET-ASSETS> 1450031
<DIVIDEND-INCOME> 8788
<INTEREST-INCOME> 1086
<OTHER-INCOME> 0
<EXPENSES-NET> 1477
<NET-INVESTMENT-INCOME> 8397
<REALIZED-GAINS-CURRENT> 52195
<APPREC-INCREASE-CURRENT> 54705
<NET-CHANGE-FROM-OPS> 115297
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 8160
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 22639
<NUMBER-OF-SHARES-REDEEMED> 4797
<SHARES-REINVESTED> 396
<NET-CHANGE-IN-ASSETS> 478798
<ACCUMULATED-NII-PRIOR> 49
<ACCUMULATED-GAINS-PRIOR> 7411
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 15
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1477
<AVERAGE-NET-ASSETS> 1199446
<PER-SHARE-NAV-BEGIN> 18.61
<PER-SHARE-NII> 0.12
<PER-SHARE-GAIN-APPREC> 2.00
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0.14
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 20.59
<EXPENSE-RATIO> 0.25
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
