<PAGE> PAGE 1
000 B000000 12/31/95
000 C000000 0000759866
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 A
001 A000000 JOHN HANCOCK INCOME SECURITIES TRUST
001 B000000 811-4186
001 C000000 6173751700
002 A000000 101 HUNTINGTON AVENUE
002 B000000 BOSTON
002 C000000 MA
002 D010000 02199
002 D020000 7603
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
008 A000001 JOHN HANCOCK ADVISERS, INC.
008 B000001 A
008 C000001 801-8124
008 D010001 BOSTON
008 D020001 MA
008 D030001 02199
008 D040001 7603
012 A000001 STATE STREET BANK AND TRUST COMPANY
012 B000001 84-1867445
012 C010001 BOSTON
012 C020001 MA
012 C030001 02110
013 A000001 ERNST & YOUNG LLP
013 B010001 BOSTON
013 B020001 MA
013 B030001 02116
014 A000001 JOHN HANCOCK DISTRIBUTORS, INC.
014 B000001 8-13995
<PAGE> PAGE 2
014 A000002 JOHN HANCOCK FUNDS, INC.
014 B000002 8-43582
014 A000003 TUCKER ANTHONY INC.
014 B000003 8-24297
014 A000004 SUTRO & CO., INC.
014 B000004 8-7981
014 A000005 JOHN HANCOCK MUTUAL LIFE INSURANCE COMPANY
014 B000005 8-15661
014 A000006 FREEDOM DISTRIBUTORS CORPORATION
014 B000006 8-37458
015 A000001 INVESTORS BANK & TRUST COMPANY
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02111
015 E010001 X
018 000000 Y
019 A000000 N
019 B000000 0
020 A000001 BEAR STEARNS
020 B000001 13-2975144
020 C000001 5
020 C000002 0
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 5
022 A000001 SMITH BARNEY SHEARSON
022 B000001 13-1912900
022 C000001 412010
022 D000001 25208
022 A000002 BANKERS TRUST
022 B000002 13-4941247
022 C000002 189471
022 D000002 1830
022 A000003 UNION BANK OF SWITZERLAND
022 B000003 04-2474663
022 C000003 172752
022 D000003 16865
022 A000004 SWISS BANK
022 C000004 157039
022 D000004 0
022 A000005 SANWA BANK
022 C000005 33584
022 D000005 0
022 A000006 GOLDMAN SACHS
<PAGE> PAGE 3
022 B000006 13-5108880
022 C000006 13014
022 D000006 17564
022 A000007 BEAR STEARNS
022 B000007 13-2975144
022 C000007 12732
022 D000007 14413
022 A000008 MERRILL LYNCH
022 B000008 13-5674085
022 C000008 12149
022 D000008 11604
022 A000009 MORGAN STANLEY
022 B000009 13-2655998
022 C000009 9543
022 D000009 6460
022 A000010 FIRST BOSTON
022 B000010 13-5659485
022 C000010 9552
022 D000010 3713
023 C000000 1080308
023 D000000 150709
024 000000 N
025 D000001 0
025 D000002 0
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 N
026 B000000 N
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 N
028 A010000 0
028 A020000 0
028 A030000 0
028 A040000 0
028 B010000 0
028 B020000 0
028 B030000 0
028 B040000 0
028 C010000 0
028 C020000 0
028 C030000 0
<PAGE> PAGE 4
028 C040000 0
028 D010000 0
028 D020000 0
028 D030000 0
028 D040000 0
028 E010000 0
028 E020000 0
028 E030000 0
028 E040000 0
028 F010000 0
028 F020000 0
028 F030000 0
028 F040000 0
028 G010000 0
028 G020000 0
028 G030000 0
028 G040000 0
028 H000000 0
030 A000000 0
030 B000000 0.00
030 C000000 0.00
031 A000000 0
031 B000000 0
032 000000 0
033 000000 0
035 000000 0
036 B000000 0
038 000000 0
042 A000000 0
042 B000000 0
042 C000000 0
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 0
044 000000 0
045 000000 Y
046 000000 N
047 000000 Y
048 000000 0.000
048 A010000 150000
048 A020000 0.650
048 B010000 50000
048 B020000 0.375
048 C010000 100000
048 C020000 0.350
048 D010000 0
048 D020000 0.000
048 E010000 0
<PAGE> PAGE 5
048 E020000 0.000
048 F010000 0
048 F020000 0.000
048 G010000 0
048 G020000 0.000
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 300000
048 K020000 0.300
049 000000 N
050 000000 N
051 000000 N
052 000000 N
053 A000000 N
054 A000000 Y
054 B000000 Y
054 C000000 N
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 Y
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
054 O000000 N
055 A000000 N
055 B000000 N
056 000000 Y
057 000000 N
058 A000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
061 000000 0
062 A000000 Y
062 B000000 0.0
062 C000000 0.0
062 D000000 4.1
062 E000000 0.0
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
<PAGE> PAGE 6
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 16.1
062 N000000 14.6
062 O000000 0.0
062 P000000 66.0
062 Q000000 0.0
062 R000000 -0.8
063 A000000 0
063 B000000 14.5
064 A000000 N
064 B000000 N
066 A000000 N
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 Y
070 A020000 Y
070 B010000 Y
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 Y
070 D020000 N
070 E010000 Y
070 E020000 Y
070 F010000 Y
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 Y
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 N
070 K020000 N
070 L010000 Y
070 L020000 Y
070 M010000 N
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 N
070 Q010000 N
<PAGE> PAGE 7
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 156156
071 B000000 152288
071 C000000 144841
071 D000000 105
072 A000000 12
072 B000000 14285
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 1034
072 G000000 0
072 H000000 0
072 I000000 131
072 J000000 50
072 K000000 0
072 L000000 91
072 M000000 13
072 N000000 0
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 37
072 S000000 4
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 39
072 X000000 1399
072 Y000000 0
072 Z000000 12886
072AA000000 915
072BB000000 603
072CC010000 16512
072CC020000 0
072DD010000 12862
072DD020000 0
072EE000000 0
073 A010000 1.2550
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 1
074 B000000 6991
074 C000000 0
074 D000000 166958
074 E000000 0
074 F000000 0
074 G000000 0
<PAGE> PAGE 8
074 H000000 0
074 I000000 0
074 J000000 71
074 K000000 0
074 L000000 3170
074 M000000 3
074 N000000 177194
074 O000000 4080
074 P000000 287
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 95
074 S000000 0
074 T000000 172732
074 U010000 10319
074 U020000 0
074 V010000 16.74
074 V020000 0.00
074 W000000 0.0000
074 X000000 8948
074 Y000000 6064
075 A000000 0
075 B000000 164855
076 000000 15.75
077 A000000 Y
077 B000000 Y
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 N
077 P000000 N
077 Q010000 Y
077 Q020000 N
077 Q030000 N
078 000000 N
080 A000000 GULF INSURANCE COMPANY
080 B000000 ICI MUTUAL INSURANCE COMPANY
080 C000000 35000
081 A000000 Y
081 B000000 68
<PAGE> PAGE 9
082 A000000 N
082 B000000 0
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 Y
085 B000000 N
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
087 A010000 COMMON SHARES
087 A020000 410123103
087 A030000 JHS
088 A000000 Y
088 B000000 N
088 C000000 N
088 D000000 N
SIGNATURE THOMAS H. DROHAN
TITLE SR. VICE PRESIDENT
<TABLE> <S> <C>
<ARTICLE> 6
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1995
<PERIOD-START> JAN-01-1995
<PERIOD-END> DEC-31-1995
<INVESTMENTS-AT-COST> 166,878,678
<INVESTMENTS-AT-VALUE> 173,948,673
<RECEIVABLES> 3,241,456
<ASSETS-OTHER> 4,064
<OTHER-ITEMS-ASSETS> 7,069,995
<TOTAL-ASSETS> 177,194,193
<PAYABLE-FOR-SECURITIES> 4,079,983
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 381,878
<TOTAL-LIABILITIES> 4,461,861
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 166,206,744
<SHARES-COMMON-STOCK> 10,319,398
<SHARES-COMMON-PRIOR> 10,205,263
<ACCUMULATED-NII-CURRENT> 29,763
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (574,170)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 7,069,995
<NET-ASSETS> 172,732,332
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 14,285,112
<OTHER-INCOME> 0
<EXPENSES-NET> 1,399,510
<NET-INVESTMENT-INCOME> 12,885,602
<REALIZED-GAINS-CURRENT> 312,164
<APPREC-INCREASE-CURRENT> 16,511,944
<NET-CHANGE-FROM-OPS> 29,709,710
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 12,862,006
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 114,135
<NET-CHANGE-IN-ASSETS> 18,615,871
<ACCUMULATED-NII-PRIOR> 6,167
<ACCUMULATED-GAINS-PRIOR> (886,334)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,034,167
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,399,510
<AVERAGE-NET-ASSETS> 165,777,777
<PER-SHARE-NAV-BEGIN> 15.10
<PER-SHARE-NII> 1.26
<PER-SHARE-GAIN-APPREC> 1.64
<PER-SHARE-DIVIDEND> 1.26
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.74
<EXPENSE-RATIO> 0.84
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>