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<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 535409
<NET-ASSETS> 2098838
<DIVIDEND-INCOME> 26241
<INTEREST-INCOME> 4195
<OTHER-INCOME> 0
<EXPENSES-NET> 4568
<NET-INVESTMENT-INCOME> 25868
<REALIZED-GAINS-CURRENT> 135342
<APPREC-INCREASE-CURRENT> 133530
<NET-CHANGE-FROM-OPS> 294740
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 25620
<DISTRIBUTIONS-OF-GAINS> 127262
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 26677
<NUMBER-OF-SHARES-REDEEMED> 15254
<SHARES-REINVESTED> 5423
<NET-CHANGE-IN-ASSETS> 575625
<ACCUMULATED-NII-PRIOR> 15
<ACCUMULATED-GAINS-PRIOR> 22165
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 27
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 4568
<AVERAGE-NET-ASSETS> 1824210
<PER-SHARE-NAV-BEGIN> 24.07
<PER-SHARE-NII> 0.34
<PER-SHARE-GAIN-APPREC> 3.85
<PER-SHARE-DIVIDEND> 0.34
<PER-SHARE-DISTRIBUTIONS> 1.72
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 26.20
<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> YEAR
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-START> JAN-01-1996
<PERIOD-END> DEC-31-1996
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 2764442
<INVESTMENTS-AT-VALUE> 3509331
<RECEIVABLES> 98857
<ASSETS-OTHER> 401
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3608589
<PAYABLE-FOR-SECURITIES> 35437
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 42296
<TOTAL-LIABILITIES> 77733
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2776906
<SHARES-COMMON-STOCK> 198663
<SHARES-COMMON-PRIOR> 104429
<ACCUMULATED-NII-CURRENT> 92
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 8749
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 745109
<NET-ASSETS> 3530856
<DIVIDEND-INCOME> 48257
<INTEREST-INCOME> 4842
<OTHER-INCOME> 0
<EXPENSES-NET> 5598
<NET-INVESTMENT-INCOME> 47501
<REALIZED-GAINS-CURRENT> 27380
<APPREC-INCREASE-CURRENT> 412119
<NET-CHANGE-FROM-OPS> 487000
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 47409
<DISTRIBUTIONS-OF-GAINS> 19087
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 109053
<NUMBER-OF-SHARES-REDEEMED> 18391
<SHARES-REINVESTED> 3572
<NET-CHANGE-IN-ASSETS> 1959967
<ACCUMULATED-NII-PRIOR> 623
<ACCUMULATED-GAINS-PRIOR> 4197
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 27
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5598
<AVERAGE-NET-ASSETS> 2551018
<PER-SHARE-NAV-BEGIN> 15.04
<PER-SHARE-NII> 0.29
<PER-SHARE-GAIN-APPREC> 2.84
<PER-SHARE-DIVIDEND> 0.29
<PER-SHARE-DISTRIBUTIONS> 0.11
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 17.77
<EXPENSE-RATIO> 0.22
<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> YEAR
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-START> JAN-01-1996
<PERIOD-END> DEC-31-1996
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 643371
<INVESTMENTS-AT-VALUE> 787310
<RECEIVABLES> 63985
<ASSETS-OTHER> 69
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 851364
<PAYABLE-FOR-SECURITIES> 63330
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1130
<TOTAL-LIABILITIES> 64460
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 644969
<SHARES-COMMON-STOCK> 46552
<SHARES-COMMON-PRIOR> 19405
<ACCUMULATED-NII-CURRENT> 48
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (2052)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 143939
<NET-ASSETS> 786904
<DIVIDEND-INCOME> 8880
<INTEREST-INCOME> 268
<OTHER-INCOME> 0
<EXPENSES-NET> 1031
<NET-INVESTMENT-INCOME> 8117
<REALIZED-GAINS-CURRENT> 6444
<APPREC-INCREASE-CURRENT> 97843
<NET-CHANGE-FROM-OPS> 112404
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 8068
<DISTRIBUTIONS-OF-GAINS> 5200
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 34801
<NUMBER-OF-SHARES-REDEEMED> 8427
<SHARES-REINVESTED> 772
<NET-CHANGE-IN-ASSETS> 515902
<ACCUMULATED-NII-PRIOR> 142
<ACCUMULATED-GAINS-PRIOR> 1573
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 12
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1511
<AVERAGE-NET-ASSETS> 516406
<PER-SHARE-NAV-BEGIN> 13.97
<PER-SHARE-NII> 0.22
<PER-SHARE-GAIN-APPREC> 3.07
<PER-SHARE-DIVIDEND> 0.22
<PER-SHARE-DISTRIBUTIONS> 0.14
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.90
<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> YEAR
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-START> JAN-01-1996
<PERIOD-END> DEC-31-1996
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 838326
<INVESTMENTS-AT-VALUE> 1014323
<RECEIVABLES> 82987
<ASSETS-OTHER> 88
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1097398
<PAYABLE-FOR-SECURITIES> 77747
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3924
<TOTAL-LIABILITIES> 81671
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 818752
<SHARES-COMMON-STOCK> 59666
<SHARES-COMMON-PRIOR> 33551
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 531
<ACCUMULATED-NET-GAINS> 21497
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 176009
<NET-ASSETS> 1015727
<DIVIDEND-INCOME> 20433
<INTEREST-INCOME> 276
<OTHER-INCOME> 0
<EXPENSES-NET> 1511
<NET-INVESTMENT-INCOME> 19198
<REALIZED-GAINS-CURRENT> 46863
<APPREC-INCREASE-CURRENT> 88860
<NET-CHANGE-FROM-OPS> 154921
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 19729
<DISTRIBUTIONS-OF-GAINS> 28488
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 34020
<NUMBER-OF-SHARES-REDEEMED> 10585
<SHARES-REINVESTED> 2679
<NET-CHANGE-IN-ASSETS> 519400
<ACCUMULATED-NII-PRIOR> 195
<ACCUMULATED-GAINS-PRIOR> 9219
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 12
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1511
<AVERAGE-NET-ASSETS> 755653
<PER-SHARE-NAV-BEGIN> 14.79
<PER-SHARE-NII> 0.37
<PER-SHARE-GAIN-APPREC> 2.81
<PER-SHARE-DIVIDEND> 0.38
<PER-SHARE-DISTRIBUTIONS> 0.57
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 17.02
<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> YEAR
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-START> JAN-01-1996
<PERIOD-END> DEC-31-1996
<EXCHANGE-RATE> 1
<INVESTMENTS-AT-COST> 1456282
<INVESTMENTS-AT-VALUE> 1723370
<RECEIVABLES> 62328
<ASSETS-OTHER> 145
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1785843
<PAYABLE-FOR-SECURITIES> 9626
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 62863
<TOTAL-LIABILITIES> 72489
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1440834
<SHARES-COMMON-STOCK> 84695
<SHARES-COMMON-PRIOR> 52196
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 494
<ACCUMULATED-NET-GAINS> 5966
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 267048
<NET-ASSETS> 1713354
<DIVIDEND-INCOME> 21215
<INTEREST-INCOME> 2741
<OTHER-INCOME> 0
<EXPENSES-NET> 3401
<NET-INVESTMENT-INCOME> 20555
<REALIZED-GAINS-CURRENT> 108296
<APPREC-INCREASE-CURRENT> 83327
<NET-CHANGE-FROM-OPS> 212178
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 21098
<DISTRIBUTIONS-OF-GAINS> 109741
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 37170
<NUMBER-OF-SHARES-REDEEMED> 10771
<SHARES-REINVESTED> 6100
<NET-CHANGE-IN-ASSETS> 742121
<ACCUMULATED-NII-PRIOR> 49
<ACCUMULATED-GAINS-PRIOR> 7411
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 29
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3401
<AVERAGE-NET-ASSETS> 1364219
<PER-SHARE-NAV-BEGIN> 18.61
<PER-SHARE-NII> 0.26
<PER-SHARE-GAIN-APPREC> 3.07
<PER-SHARE-DIVIDEND> 0.27
<PER-SHARE-DISTRIBUTIONS> 1.44
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 20.23
<EXPENSE-RATIO> 0.25
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
