STATE STREET RESEARCH INCOME TRUST
NSAR-A, 1998-11-25
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<PAGE>      PAGE  1
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<PAGE>      PAGE  2
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SIGNATURE   DOUGLAS A. ROMICH                            
TITLE       ASSISTANT TREASURER 
 


<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000787980
<NAME> STATE STREET RESEARCH INCOME TRUST
<SERIES>
   <NUMBER> 011
   <NAME> STATE STREET RESEARCH HIGH INCOME FUND CLASS A
       
<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000787980
<NAME> STATE STREET RESEARCH INCOME TRUST
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   <NUMBER> 012
   <NAME> STATE STREET RESEARCH HIGH INCOME FUND CLASS B
       
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000787980
<NAME> STATE STREET RESEARCH INCOME TRUST
<SERIES>
   <NUMBER> 014
   <NAME> STATE STREET RESEARCH HIGH INCOME FUND CLASS C
       
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<EXPENSES-NET>                               7,332,072
<NET-INVESTMENT-INCOME>                     48,207,221
<REALIZED-GAINS-CURRENT>                    27,141,495
<APPREC-INCREASE-CURRENT>                (158,432,531)
<NET-CHANGE-FROM-OPS>                     (83,083,815)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                  (1,556,397)
<DISTRIBUTIONS-OF-GAINS>                     (384,617)
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                      2,035,617
<NUMBER-OF-SHARES-REDEEMED>                  (937,459)
<SHARES-REINVESTED>                            202,095
<NET-CHANGE-IN-ASSETS>                    (71,294,828)
<ACCUMULATED-NII-PRIOR>                      2,927,957
<ACCUMULATED-GAINS-PRIOR>                   11,432,291
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                        3,469,094
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                              7,332,072
<AVERAGE-NET-ASSETS>                     1,067,413,231
<PER-SHARE-NAV-BEGIN>                             6.59
<PER-SHARE-NII>                                   0.26
<PER-SHARE-GAIN-APPREC>                         (0.73)
<PER-SHARE-DIVIDEND>                            (0.26)
<PER-SHARE-DISTRIBUTIONS>                       (0.07)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               5.79
<EXPENSE-RATIO>                                   1.84
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000787980
<NAME> STATE STREET RESEARCH INCOME TRUST
<SERIES>
   <NUMBER> 013
   <NAME> STATE STREET RESEARCH HIGH INCOME FUND CLASS S
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          MAR-31-1999
<PERIOD-END>                               SEP-30-1998
<INVESTMENTS-AT-COST>                    1,188,355,205
<INVESTMENTS-AT-VALUE>                   1,082,730,371
<RECEIVABLES>                               39,587,585
<ASSETS-OTHER>                                  72,402
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                           1,122,390,358
<PAYABLE-FOR-SECURITIES>                    16,212,491
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                   70,525,368
<TOTAL-LIABILITIES>                         86,737,859
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                 1,110,777,075
<SHARES-COMMON-STOCK>                        1,231,743
<SHARES-COMMON-PRIOR>                        1,194,458
<ACCUMULATED-NII-CURRENT>                    3,133,548
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                     27,047,051
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                 (105,305,175)
<NET-ASSETS>                             1,035,652,499
<DIVIDEND-INCOME>                            5,458,993
<INTEREST-INCOME>                           50,080,300
<OTHER-INCOME>                                       0
<EXPENSES-NET>                               7,332,072
<NET-INVESTMENT-INCOME>                     48,207,221
<REALIZED-GAINS-CURRENT>                    27,141,495
<APPREC-INCREASE-CURRENT>                (158,432,531)
<NET-CHANGE-FROM-OPS>                     (83,083,815)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                    (352,717)
<DISTRIBUTIONS-OF-GAINS>                      (80,411)
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        186,460
<NUMBER-OF-SHARES-REDEEMED>                  (208,294)
<SHARES-REINVESTED>                             59,119
<NET-CHANGE-IN-ASSETS>                    (71,294,828)
<ACCUMULATED-NII-PRIOR>                      2,927,957
<ACCUMULATED-GAINS-PRIOR>                   11,432,291
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                        3,469,094
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                              7,332,072
<AVERAGE-NET-ASSETS>                     1,067,413,231
<PER-SHARE-NAV-BEGIN>                             6.58
<PER-SHARE-NII>                                   0.29
<PER-SHARE-GAIN-APPREC>                         (0.73)
<PER-SHARE-DIVIDEND>                            (0.29)
<PER-SHARE-DISTRIBUTIONS>                       (0.07)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               5.78
<EXPENSE-RATIO>                                   0.84
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000787980
<NAME> STATE STREET RESEARCH INCOME TRUST
<SERIES>
   <NUMBER> 031
   <NAME> STATE STREET RESEARCH MANAGED ASSETS CLASS A
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          MAR-31-1999
<PERIOD-END>                               SEP-30-1998
<INVESTMENTS-AT-COST>                      828,383,662
<INVESTMENTS-AT-VALUE>                     825,140,678
<RECEIVABLES>                               41,654,326
<ASSETS-OTHER>                                  38,028
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                             866,833,032
<PAYABLE-FOR-SECURITIES>                    71,298,026
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                  101,627,565
<TOTAL-LIABILITIES>                        172,925,591
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                   659,895,791
<SHARES-COMMON-STOCK>                       30,129,764
<SHARES-COMMON-PRIOR>                       28,496,828
<ACCUMULATED-NII-CURRENT>                    3,441,554
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                     34,696,074
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                   (4,125,978)
<NET-ASSETS>                               693,907,441
<DIVIDEND-INCOME>                            2,207,119
<INTEREST-INCOME>                           10,774,751
<OTHER-INCOME>                                       0
<EXPENSES-NET>                               6,075,262
<NET-INVESTMENT-INCOME>                      6,906,608
<REALIZED-GAINS-CURRENT>                    35,665,553
<APPREC-INCREASE-CURRENT>                (114,116,538)
<NET-CHANGE-FROM-OPS>                     (71,544,377)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                  (2,996,320)
<DISTRIBUTIONS-OF-GAINS>                  (13,408,629)
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                      2,646,068
<NUMBER-OF-SHARES-REDEEMED>                (2,473,306)
<SHARES-REINVESTED>                          1,460,174
<NET-CHANGE-IN-ASSETS>                    (55,942,818)
<ACCUMULATED-NII-PRIOR>                      2,015,262
<ACCUMULATED-GAINS-PRIOR>                   29,827,380
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                        2,767,655
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                              6,075,262
<AVERAGE-NET-ASSETS>                       738,041,333
<PER-SHARE-NAV-BEGIN>                            11.60
<PER-SHARE-NII>                                   0.12
<PER-SHARE-GAIN-APPREC>                         (1.14)
<PER-SHARE-DIVIDEND>                            (0.10)
<PER-SHARE-DISTRIBUTIONS>                       (0.47)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.01
<EXPENSE-RATIO>                                   1.25
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000787980
<NAME> STATE STREET RESEARCH INCOME TRUST
<SERIES>
   <NUMBER> 032
   <NAME> STATE STREET RESEARCH MANAGED ASSETS CLASS B
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          MAR-31-1999
<PERIOD-END>                               SEP-30-1998
<INVESTMENTS-AT-COST>                      828,383,662
<INVESTMENTS-AT-VALUE>                     825,140,678
<RECEIVABLES>                               41,654,326
<ASSETS-OTHER>                                  38,028
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                             866,833,032
<PAYABLE-FOR-SECURITIES>                    71,298,026
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                  101,627,565
<TOTAL-LIABILITIES>                        172,925,591
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                   659,895,791
<SHARES-COMMON-STOCK>                       35,320,319
<SHARES-COMMON-PRIOR>                       31,937,031
<ACCUMULATED-NII-CURRENT>                    3,441,554
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                     34,696,074
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                   (4,125,978)
<NET-ASSETS>                               693,907,441
<DIVIDEND-INCOME>                            2,207,119
<INTEREST-INCOME>                           10,774,751
<OTHER-INCOME>                                       0
<EXPENSES-NET>                               6,075,262
<NET-INVESTMENT-INCOME>                      6,906,608
<REALIZED-GAINS-CURRENT>                    35,665,553
<APPREC-INCREASE-CURRENT>                (114,116,538)
<NET-CHANGE-FROM-OPS>                     (71,544,377)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                  (2,127,164)
<DISTRIBUTIONS-OF-GAINS>                  (15,386,668)
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                      4,415,491
<NUMBER-OF-SHARES-REDEEMED>                (2,592,016)
<SHARES-REINVESTED>                          1,559,813
<NET-CHANGE-IN-ASSETS>                    (55,942,818)
<ACCUMULATED-NII-PRIOR>                      2,015,262
<ACCUMULATED-GAINS-PRIOR>                   29,827,380
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                        2,767,655
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                              6,075,262
<AVERAGE-NET-ASSETS>                       738,041,333
<PER-SHARE-NAV-BEGIN>                            11.55
<PER-SHARE-NII>                                   0.08
<PER-SHARE-GAIN-APPREC>                         (1.13)
<PER-SHARE-DIVIDEND>                            (0.06)
<PER-SHARE-DISTRIBUTIONS>                       (0.47)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.97
<EXPENSE-RATIO>                                   2.00
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000787980
<NAME> STATE STREET RESEARCH INCOME TRUST
<SERIES>
   <NUMBER> 034
   <NAME> STATE STREET RESEARCH MANAGED ASSETS CLASS C
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          MAR-31-1999
<PERIOD-END>                               SEP-30-1998
<INVESTMENTS-AT-COST>                      828,383,662
<INVESTMENTS-AT-VALUE>                     825,140,678
<RECEIVABLES>                               41,654,326
<ASSETS-OTHER>                                  38,028
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                             866,833,032
<PAYABLE-FOR-SECURITIES>                    71,298,026
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                  101,627,565
<TOTAL-LIABILITIES>                        172,925,591
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                   659,895,791
<SHARES-COMMON-STOCK>                        2,138,163
<SHARES-COMMON-PRIOR>                        2,057,545
<ACCUMULATED-NII-CURRENT>                    3,441,554
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                     34,696,074
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                   (4,125,978)
<NET-ASSETS>                               693,907,441
<DIVIDEND-INCOME>                            2,207,119
<INTEREST-INCOME>                           10,774,751
<OTHER-INCOME>                                       0
<EXPENSES-NET>                               6,075,262
<NET-INVESTMENT-INCOME>                      6,906,608
<REALIZED-GAINS-CURRENT>                    35,665,553
<APPREC-INCREASE-CURRENT>                (114,116,538)
<NET-CHANGE-FROM-OPS>                     (71,544,377)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                    (119,172)
<DISTRIBUTIONS-OF-GAINS>                     (958,429)
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        253,243
<NUMBER-OF-SHARES-REDEEMED>                  (260,903)
<SHARES-REINVESTED>                             88,278
<NET-CHANGE-IN-ASSETS>                    (55,942,818)
<ACCUMULATED-NII-PRIOR>                      2,015,262
<ACCUMULATED-GAINS-PRIOR>                   29,827,380
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                        2,767,655
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                              6,075,262
<AVERAGE-NET-ASSETS>                       738,041,333
<PER-SHARE-NAV-BEGIN>                            11.57
<PER-SHARE-NII>                                   0.08
<PER-SHARE-GAIN-APPREC>                         (1.13)
<PER-SHARE-DIVIDEND>                            (0.06)
<PER-SHARE-DISTRIBUTIONS>                       (0.47)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.99
<EXPENSE-RATIO>                                   2.00
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000787980
<NAME> STATE STREET RESEARCH INCOME TRUST
<SERIES>
   <NUMBER> 033
   <NAME> STATE STREET RESEARCH MANAGED ASSETS CLASS S
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          MAR-31-1999
<PERIOD-END>                               SEP-30-1998
<INVESTMENTS-AT-COST>                      828,383,662
<INVESTMENTS-AT-VALUE>                     825,140,678
<RECEIVABLES>                               41,654,326
<ASSETS-OTHER>                                  38,028
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                             866,833,032
<PAYABLE-FOR-SECURITIES>                    71,298,026
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                  101,627,565
<TOTAL-LIABILITIES>                        172,925,591
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                   659,895,791
<SHARES-COMMON-STOCK>                        1,891,619
<SHARES-COMMON-PRIOR>                        2,298,157
<ACCUMULATED-NII-CURRENT>                    3,441,554
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                     34,696,074
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                   (4,125,978)
<NET-ASSETS>                               693,907,441
<DIVIDEND-INCOME>                            2,207,119
<INTEREST-INCOME>                           10,774,751
<OTHER-INCOME>                                       0
<EXPENSES-NET>                               6,075,262
<NET-INVESTMENT-INCOME>                      6,906,608
<REALIZED-GAINS-CURRENT>                    35,665,553
<APPREC-INCREASE-CURRENT>                (114,116,538)
<NET-CHANGE-FROM-OPS>                     (71,544,377)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                    (237,660)
<DISTRIBUTIONS-OF-GAINS>                   (1,043,133)
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        329,152
<NUMBER-OF-SHARES-REDEEMED>                  (852,288)
<SHARES-REINVESTED>                            116,598
<NET-CHANGE-IN-ASSETS>                    (55,942,818)
<ACCUMULATED-NII-PRIOR>                      2,015,262
<ACCUMULATED-GAINS-PRIOR>                   29,827,380
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                        2,767,655
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                              6,075,262
<AVERAGE-NET-ASSETS>                       738,041,333
<PER-SHARE-NAV-BEGIN>                            11.60
<PER-SHARE-NII>                                   0.14
<PER-SHARE-GAIN-APPREC>                         (1.15)
<PER-SHARE-DIVIDEND>                            (0.11)
<PER-SHARE-DISTRIBUTIONS>                       (0.47)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.01
<EXPENSE-RATIO>                                   1.00
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>


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