PAGE  1
000 A000000 05/31/2012
000 C000000 894351
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 WESTERN ASSET MUNICIPAL PARTNERS FUND, INC.
001 B000000 811-7362
001 C000000 8887770102
002 A000000 620 EIGHTH AVENUE, 49TH FLOOR
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10018
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 N
007 B000000  0
007 C010100  1
008 A000001 LEGG MASON PARTNERS FUND ADVISOR, LLC
008 B000001 A
008 C000001 801-66785
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10018
008 A000002 WESTERN ASSET MANAGEMENT COMPANY
008 B000002 S
008 C000002 801-08162
008 D010002 PASADENA
008 D020002 CA
008 D030002 91101
012 A000001 AMERICAN STOCK TRANSFER & TRUST COMPANY
012 B000001 84-000416
012 C010001 NEW YORK
012 C020001 NY
012 C030001 10038
013 A000001 KPMG LLP
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10154
014 A000001 CARNES CAPITAL CORPORATION
014 B000001 8-33443
014 A000002 LEGG MASON INVESTOR SERVICES, LLC
014 B000002 8-53089
014 A000003 ROYCE FUND SERVICES, INC.
014 B000003 8-28663
014 A000004 PERMAL (HONG KONG) LIMITED
      PAGE  2
014 B000004 8-00000
015 A000001 STATE STREET BANK & TRUST CO.
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02111
015 E010001 X
018  000000 Y
019 A000000 Y
019 B000000  160
019 C000000 LEGGMASONF
020 A000001 BARCLAYS CAPITAL INC.
020 B000001 06-1031656
020 C000001      1
021  000000        1
022 A000001 J P MORGAN SECURITIES
022 B000001 13-3224013
022 C000001      7990
022 D000001      2400
022 A000002 MERRILL LYNCH PIERCE FENNER & SMITH, INC.
022 B000002 13-5674085
022 C000002      8120
022 D000002         0
022 A000003 WELLS FARGO SECURITIES LLC
022 B000003 94-3379992
022 C000003      2200
022 D000003      5800
022 A000004 RAYMOND JAMES & ASSOCIATES, INC.
022 B000004 59-1237041
022 C000004         0
022 D000004      6489
022 A000005 PERSHING LLC
022 B000005 13-3769702
022 C000005      2783
022 D000005      3100
022 A000006 BARCLAYS CAPITAL INC.
022 B000006 06-1031656
022 C000006      3482
022 D000006      1100
022 A000007 BANK OF MONTREAL
022 B000007 00-0000000
022 C000007         0
022 D000007      3650
022 A000008 RBC CAPITAL MARKETS CORP.
022 B000008 41-1416330
022 C000008         0
022 D000008      3564
022 A000009 CITIGROUP GLOBAL MARKETS INC.
022 B000009 11-2418191
022 C000009      2019
022 D000009         0
      PAGE  3
022 A000010 UBS SECURITIES LLC
022 B000010 13-3873456
022 C000010         0
022 D000010      1143
023 C000000      27886
023 D000000      28257
024  000000 N
026 A000000 N
026 B000000 Y
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
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
      PAGE  4
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  0.550
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 N
053 A000000 N
054 A000000 Y
054 B000000 Y
054 C000000 Y
054 D000000 N
054 E000000 N
      PAGE  5
054 F000000 N
054 G000000 Y
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 Y
054 M000000 Y
054 N000000 N
054 O000000 Y
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   0.0
062 E000000   0.4
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 151.5
062 P000000   0.0
062 Q000000   0.0
062 R000000   0.0
063 A000000   0
063 B000000 10.7
064 A000000 Y
064 B000000 N
066 A000000 N
067  000000 N
068 A000000 N
068 B000000 N
069  000000 N
070 A010000 Y
070 A020000 N
070 B010000 N
070 B020000 N
070 C010000 Y
      PAGE  6
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 Y
070 E020000 Y
070 F010000 N
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 N
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 Y
070 K020000 N
070 L010000 N
070 L020000 N
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
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000     21986
071 B000000     16953
071 C000000    236231
071 D000000    7
072 A000000  6
072 B000000     5350
072 C000000        0
072 D000000        0
072 E000000        0
072 F000000      663
072 G000000        0
072 H000000        0
072 I000000       20
072 J000000        4
072 K000000        0
072 L000000       16
072 M000000       14
072 N000000       11
072 O000000        0
072 P000000        0
      PAGE  7
072 Q000000        0
072 R000000       56
072 S000000       11
072 T000000        0
072 U000000        0
072 V000000        0
072 W000000      109
072 X000000      903
072 Y000000        0
072 Z000000     4447
072AA000000     1079
072BB000000        0
072CC010000    10414
072CC020000        0
072DD010000     4082
072DD020000        0
072EE000000       69
073 A010000   0.4200
073 A020000   0.0071
073 B000000   0.0000
073 C000000   0.0000
074 A000000        2
074 B000000        0
074 C000000      700
074 D000000   242040
074 E000000        0
074 F000000        0
074 G000000        0
074 H000000        0
074 I000000        0
074 J000000        0
074 K000000        0
074 L000000     3233
074 M000000       28
074 N000000   246002
074 O000000      993
074 P000000      114
074 Q000000        0
074 R010000        0
074 R020000        0
074 R030000        0
074 R040000      130
074 S000000    85000
074 T000000   159765
074 U010000     9719
074 U020000        0
074 V010000    16.44
074 V020000     0.00
074 W000000   0.0000
074 X000000     5243
074 Y000000     3177
      PAGE  8
075 A000000        0
075 B000000   156064
076  000000    16.74
077 A000000 N
078  000000 N
080 C000000        0
081 B000000   0
082 B000000        0
083 B000000        0
084 B000000        0
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 WESTERN ASSET MUNICIPAL PARTNERS FUND INC.
087 A020000 95766P108
087 A030000 MNP
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 Y
SIGNATURE   STEVEN FRANK
TITLE       TREASURER