WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Putnam Income Fund
</LEGEND>
<SERIES>
<NUMBER> 5
<NAME> CLASS M
<S> <C>
<PERIOD-TYPE> SEMI
<FISCAL-YEAR-END> OCT-31-1999
<PERIOD-END> APR-30-2000
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<OTHER-ITEMS-LIABILITIES> 117,373,513
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<SHARES-COMMON-PRIOR> 253,302,748
<ACCUMULATED-NII-CURRENT> 677,531
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<REALIZED-GAINS-CURRENT> (62,412,706)
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<NET-CHANGE-IN-ASSETS> (655,752,466)
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[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
