<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 915092
<NAME> MASTER INVESTMENT PORTFOLIO
<SERIES>
<NUMBER> 18
<NAME> INTERNATIONAL INDEX MASTER PORTFOLIO
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 70,125,914
<INVESTMENTS-AT-VALUE> 78,062,525
<RECEIVABLES> 319,472
<ASSETS-OTHER> 222,414
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 78,604,411
<PAYABLE-FOR-SECURITIES> 157,013
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 130,828
<TOTAL-LIABILITIES> 287,841
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 0
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 78,316,570
<DIVIDEND-INCOME> 666,870
<INTEREST-INCOME> 84,779
<OTHER-INCOME> 0
<EXPENSES-NET> 89,265
<NET-INVESTMENT-INCOME> 662,384
<REALIZED-GAINS-CURRENT> 77,198
<APPREC-INCREASE-CURRENT> (3,936,605)
<NET-CHANGE-FROM-OPS> (3,197,023)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 14,693,917
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 53,559
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 89,265
<AVERAGE-NET-ASSETS> 71,884,954
<PER-SHARE-NAV-BEGIN> 0
<PER-SHARE-NII> 0
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 0.00
<EXPENSE-RATIO> 0.25
</TABLE>
