<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000867969
<NAME> MFS INSTITUTIONAL TRUST
<SERIES>
<NUMBER> 1
<NAME> MFS INSTITUTIONAL GLOBAL FIXED INCOME FUND
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-START> JUL-01-1999
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 28650192
<INVESTMENTS-AT-VALUE> 28801022
<RECEIVABLES> 1335824
<ASSETS-OTHER> 1401
<OTHER-ITEMS-ASSETS> 237
<TOTAL-ASSETS> 30138484
<PAYABLE-FOR-SECURITIES> 1486915
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 55316
<TOTAL-LIABILITIES> 1542231
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 33307968
<SHARES-COMMON-STOCK> 3305580
<SHARES-COMMON-PRIOR> 1715045
<ACCUMULATED-NII-CURRENT> 35723
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (4923240)
<ACCUM-APPREC-OR-DEPREC> 175802
<NET-ASSETS> 28596253
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1195765
<OTHER-INCOME> 0
<EXPENSES-NET> (138262)
<NET-INVESTMENT-INCOME> 1057503
<REALIZED-GAINS-CURRENT> (1868235)
<APPREC-INCREASE-CURRENT> 998178
<NET-CHANGE-FROM-OPS> 187446
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (545516)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1750039
<NUMBER-OF-SHARES-REDEEMED> (221976)
<SHARES-REINVESTED> 62472
<NET-CHANGE-IN-ASSETS> 13689625
<ACCUMULATED-NII-PRIOR> 623151
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (4154420)
<GROSS-ADVISORY-FEES> (138262)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (227245)
<AVERAGE-NET-ASSETS> 21270617
<PER-SHARE-NAV-BEGIN> 8.69
<PER-SHARE-NII> .43
<PER-SHARE-GAIN-APPREC> (.27)
<PER-SHARE-DIVIDEND> (.20)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.65
<EXPENSE-RATIO> 0.66
</TABLE>
