<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000863032
<NAME> MFS SERIES TRUST VI
<SERIES>
<NUMBER> 014
<NAME> MFS GLOBAL TOTAL RETURN FUND CLASS I
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-START> NOV-01-1999
<PERIOD-END> APR-30-2000
<INVESTMENTS-AT-COST> 313503232
<INVESTMENTS-AT-VALUE> 356912807
<RECEIVABLES> 6044317
<ASSETS-OTHER> 3809
<OTHER-ITEMS-ASSETS> 3424
<TOTAL-ASSETS> 362964357
<PAYABLE-FOR-SECURITIES> 1182202
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1083145
<TOTAL-LIABILITIES> 2265347
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 301970084
<SHARES-COMMON-STOCK> 115308
<SHARES-COMMON-PRIOR> 113230
<ACCUMULATED-NII-CURRENT> 1187134
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 13053326
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 44488466
<NET-ASSETS> 360699010
<DIVIDEND-INCOME> 2057427
<INTEREST-INCOME> 4121205
<OTHER-INCOME> (211340)
<EXPENSES-NET> (3316586)
<NET-INVESTMENT-INCOME> 2650706
<REALIZED-GAINS-CURRENT> 13382121
<APPREC-INCREASE-CURRENT> 8863499
<NET-CHANGE-FROM-OPS> 24896326
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (12779)
<DISTRIBUTIONS-OF-GAINS> (113766)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 123112
<NUMBER-OF-SHARES-REDEEMED> (130422)
<SHARES-REINVESTED> 9388
<NET-CHANGE-IN-ASSETS> (10881694)
<ACCUMULATED-NII-PRIOR> 654061
<ACCUMULATED-GAINS-PRIOR> 27154402
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1499088
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3331800
<AVERAGE-NET-ASSETS> 372687205
<PER-SHARE-NAV-BEGIN> 14.02
<PER-SHARE-NII> 0.14
<PER-SHARE-GAIN-APPREC> 0.83
<PER-SHARE-DIVIDEND> (0.11)
<PER-SHARE-DISTRIBUTIONS> (1.05)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 13.83
<EXPENSE-RATIO> 1.13
</TABLE>
