PAGE  1
000 B000000 12/31/2012
000 C000000 0001227476
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 NUVEEN CREDIT STRATEGIES INCOME FUND
001 B000000 811-21333
001 C000000 3129178200
002 A000000 333 WEST WACKER DRIVE
002 B000000 CHICAGO
002 C000000 IL
002 D010000 60606
002 D020000 1286
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 N
007 B000000  0
007 C010100  1
008 A000001 NUVEEN FUND ADVISORS, LLC
008 B000001 A
008 C000001 801-14147
008 D010001 CHICAGO
008 D020001 IL
008 D030001 60606
008 D040001 1286
008 A000002 SPECTRUM ASSET MANAGEMENT, INC.
008 B000002 S
008 C000002 801-30405
008 D010002 STAMFORD
008 D020002 CT
008 D030002 06905
008 A000003 TRADEWINDS GLOBAL INVESTORS, LLC.
008 B000003 S
008 C000003 801-65208
008 D010003 LOS ANGELES
008 D020003 CA
008 D030003 90067
008 A000004 SYMPHONY ASSET MANAGEMENT, LLC.
008 B000004 S
008 C000004 801-52638
008 D010004 SAN FRANCISCO
008 D020004 CA
008 D030004 94104
012 A000001 COMPUTERSHARE INC.
012 B000001 84-05925
      PAGE  2
012 C010001 PROVIDENCE
012 C020001 RI
012 C030001 02940
013 A000001 ERNST & YOUNG LLP
013 B010001 CHICAGO
013 B020001 IL
013 B030001 60606
014 A000001 NUVEEN INVESTMENTS, LLC
014 B000001 8-13464
014 A000002 SPECTRUM ASSET MANAGEMENT, INC.
014 B000002 8-36472
014 A000003 DELETE
014 A000004 DELETE
015 A000001 STATE STREET BANK AND TRUST COMPANY
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02110
015 E010001 X
018  000000 Y
019 A000000 Y
019 B000000  216
019 C000000 NUVEENFUND
020 A000001 SPECTRUM ASSET MANAGEMENT, INC
020 B000001 06-1209521
020 C000001    229
020 A000002 BARCLAYS CAPITAL
020 B000002 06-1031656
020 C000002     42
020 A000003 INVESTMENT TECHNOLOGY GROUP INC.
020 B000003 13-3757717
020 C000003     37
020 A000004 INSTINET
020 B000004 13-3443395
020 C000004     26
020 A000005 HOWARD WEIL DIVISION LEGG MASON
020 B000005 73-1102349
020 C000005     17
020 A000006 JP MORGAN
020 B000006 13-3224016
020 C000006     16
020 A000007 CREDIT SUISSE
020 B000007 13-5659485
020 C000007     16
020 A000008 GUGGENHEIM CAPITAL MARKETS LLC
020 C000008     13
020 A000009 ITG INC.
020 B000009 95-2848406
020 C000009     13
020 A000010 CALYON SECURITIES
020 C000010     11
      PAGE  3
021  000000      499
022 A000001 CREDIT SUISSE
022 B000001 13-5659485
022 C000001    385010
022 D000001     86370
022 A000002 SPECTRUM ASSET MGMT
022 B000002 06-1209521
022 C000002       300
022 D000002    444355
022 A000003 BARCLAYS BANK PLC
022 B000003 13-4942190
022 C000003    227942
022 D000003    174343
022 A000004 CITIGROUP
022 B000004 13-3214963
022 C000004    232452
022 D000004     65776
022 A000005 HSBC
022 B000005 13-2650272
022 C000005    211852
022 D000005     35815
022 A000006 BANK OF AMERICA
022 B000006 56-2058405
022 C000006    178597
022 D000006     53226
022 A000007 ROYAL BANK OF SCOTLAND
022 B000007 13-4187851
022 C000007    148285
022 D000007     60936
022 A000008 DEUTSCHE BANK
022 B000008 13-2730828
022 C000008    142382
022 D000008     66309
022 A000009 LANCASTER POLLARD
022 B000009 31-1253650
022 C000009    187909
022 D000009     14708
022 A000010 MORGAN STANLEY
022 B000010 13-2655998
022 C000010    108265
022 D000010     49238
023 C000000    2503212
023 D000000    1756234
024  000000 N
026 A000000 N
026 B000000 N
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
      PAGE  4
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
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
      PAGE  5
044  000000      0
045  000000 Y
046  000000 N
047  000000 N
048  000000  0.000
048 A010000        0
048 A020000 0.000
048 B010000        0
048 B020000 0.000
048 C010000        0
048 C020000 0.000
048 D010000        0
048 D020000 0.000
048 E010000        0
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        0
048 K020000 0.000
049  000000 N
050  000000 N
051  000000 N
052  000000 Y
053 A000000 N
054 A000000 Y
054 B000000 N
054 C000000 N
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 N
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
054 O000000 Y
055 A000000 Y
055 B000000 N
056  000000 Y
057  000000 N
      PAGE  6
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   2.6
062 E000000   0.0
062 F000000   0.0
062 G000000   0.0
062 H000000   0.0
062 I000000   0.0
062 J000000   0.0
062 K000000   0.0
062 L000000   0.0
062 M000000   0.0
062 N000000   0.0
062 O000000   0.0
062 P000000  28.7
062 Q000000  99.8
062 R000000  12.6
063 A000000   0
063 B000000  4.2
064 A000000 Y
064 B000000 N
066 A000000 Y
066 B000000 N
066 C000000 N
066 D000000 N
066 E000000 Y
066 F000000 N
066 G000000 N
067  000000 N
068 A000000 N
068 B000000 N
069  000000 N
070 A010000 Y
070 A020000 Y
070 B010000 Y
070 B020000 Y
070 C010000 Y
070 C020000 N
070 D010000 Y
070 D020000 N
070 E010000 Y
070 E020000 N
070 F010000 Y
070 F020000 N
070 G010000 Y
      PAGE  7
070 G020000 N
070 H010000 Y
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 Y
070 K020000 N
070 L010000 Y
070 L020000 Y
070 M010000 Y
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 N
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 Y
070 R020000 N
071 A000000   2571011
071 B000000   2488608
071 C000000   1953229
071 D000000  127
072 A000000 12
072 B000000   122982
072 C000000     8156
072 D000000        0
072 E000000      328
072 F000000    15268
072 G000000        0
072 H000000        0
072 I000000        7
072 J000000      594
072 K000000       50
072 L000000      101
072 M000000       35
072 N000000        0
072 O000000        0
072 P000000     7653
072 Q000000        0
072 R000000       27
072 S000000      334
072 T000000        0
072 U000000        0
072 V000000        0
072 W000000      519
072 X000000    24588
      PAGE  8
072 Y000000        0
072 Z000000   106878
072AA000000    29097
072BB000000        0
072CC010000    68763
072CC020000        0
072DD010000   109326
072DD020000        0
072EE000000        0
073 A010000   0.8028
073 A020000   0.0000
073 B000000   0.0000
073 C000000   0.0000
074 A000000     1341
074 B000000    35291
074 C000000        0
074 D000000  1728462
074 E000000     1524
074 F000000   168340
074 G000000        0
074 H000000        0
074 I000000        0
074 J000000    37181
074 K000000        0
074 L000000    20703
074 M000000      316
074 N000000  1993158
074 O000000    77636
074 P000000     1310
074 Q000000        0
074 R010000        0
074 R020000        0
074 R030000        0
074 R040000   568555
074 S000000        0
074 T000000  1345657
074 U010000   136181
074 U020000        0
074 V010000     9.88
074 V020000     0.00
074 W000000   0.0000
074 X000000      218
074 Y000000  1857517
075 A000000        0
075 B000000  1324214
076  000000     9.65
077 A000000 Y
077 B000000 Y
077 Q010000 Y
078  000000 N
080 A000000 CHUBB GROUP OF INSURANCE COMPANIES
      PAGE  9
080 B000000 BERKLEY, GREAT AMERICAN, ST.PAUL,CNA & ZURICH
080 C000000   114000
081 A000000 Y
081 B000000 215
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 STOCK
087 A020000 67073D102
087 A030000 JQC
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 Y
SIGNATURE   STEPHEN D. FOY
TITLE       VP & CONTROLLER