WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Putnam Master Income Trust
</LEGEND>
<SERIES>
<NUMBER> 1
<S> <C>
<PERIOD0-TYPE> Annual
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-END> OCT-31-2000
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<INVESTMENTS-AT-VALUE> 371,531,537
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<OTHER-ITEMS-LIABILITIES> 7,915,323
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<SHARES-COMMON-STOCK> 53,095,749
<SHARES-COMMON-PRIOR> 53,095,749
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (3,579,092)
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<REALIZED-GAINS-CURRENT> (17,428,509)
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<NET-CHANGE-IN-ASSETS> (31,211,984)
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<OVERDISTRIB-NII-PRIOR> (3,244,473)
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[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
0
</TABLE>
