PAGE  1
000 B000000 12/31/2010
000 C000000 0000904112
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 MORGAN STANLEY EMERGING MARKETS DEBT FUND
001 B000000 811-07694
001 C000000 2122966963
002 A000000 522 FIFTH AVENUE
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10036
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 N
007 B000000  0
007 C010100  1
008 A000001 MORGAN STANLEY INVESTMENT MANAGEMENT INC.
008 B000001 A
008 C000001 801-15757
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10036
010 A000001 MORGAN STANLEY INVESTMENT MANAGEMENT INC.
010 B000001 801-15757
010 C010001 NEW YORK
010 C020001 NY
010 C030001 10036
012 A000001 COMPUTERSHARE TRUST COMPANY, N.A.
012 B000001 85-05003
012 C010001 CANTON
012 C020001 MA
012 C030001 02021
013 A000001 ERNST & YOUNG LLP
013 B010001 BOSTON
013 B020001 MA
013 B030001 02116
013 B040001 5072
014 A000001 ARIGIL MENKUL DEGERLER A.S.
014 B000001 8-00000
014 A000002 BANK MORGAN STANLEY AG
014 B000002 8-00000
014 A000003 BANK OF TOKYO - MITSUBISHI UFJ LTD.
014 B000003 8-00000
014 A000004 BETTER ALTERNATIVE TRADING SYSTEM
      PAGE  2
014 B000004 8-00000
014 A000005 BLOCK INTEREST DISCOVERY SERVICE
014 B000005 8-00000
014 A000006 CHINA INTERNATIONAL CAPITAL CORP. HONG KONG S
014 B000006 8-00000
014 A000007 H.C. SECURITIES AND INVESTMENTS
014 B000007 8-00000
014 A000008 HTI VALORI MOBILAIRE S.A.
014 B000008 8-00000
014 A000009 MITSUBISHI UFJ SECURITIES INTERNATIONAL PLC
014 B000009 8-00000
014 A000010 MITSUBISHI UFJ TRUST AND BANKING CORP.
014 B000010 8-00000
014 A000011 MORGAN STANLEY & CO. INCORPORATED
014 B000011 8-15869
014 A000012 MORGAN STANLEY & CO. INTERNATIONAL PLC
014 B000012 8-00000
014 A000013 MORGAN STANLEY ASIA (SINGAPORE) SECURITIES PT
014 B000013 8-00000
014 A000014 MORGAN STANLEY ASIA LIMITED
014 B000014 8-00000
014 A000015 MORGAN STANLEY CANADA LIMITED
014 B000015 8-00000
014 A000016 MORGAN STANLEY DEAN WITTER ASIA (SINGAPORE) P
014 B000016 8-00000
014 A000017 MORGAN STANLEY DEAN WITTER AUSTRALIA LIMITED
014 B000017 8-00000
014 A000018 MORGAN STANLEY DEAN WITTER AUSTRALIA SECURITI
014 B000018 8-00000
014 A000019 MORGAN STANLEY DEAN WITTER C.T.V.M. S.A.
014 B000019 8-00000
014 A000020 MORGAN STANLEY DISTRIBUTION, INC.
014 B000020 8-44766
014 A000021 MORGAN STANLEY DISTRIBUTORS INC.
014 B000021 8-45262
014 A000022 MORGAN STANLEY FUTURES (HONG KONG) LIMITED
014 B000022 8-00000
014 A000023 MORGAN STANLEY HONG KONG SECURITIES LIMITED
014 B000023 8-00000
014 A000024 MORGAN STANLEY INDIA COMPANY PRIVATE LTD.
014 B000024 8-00000
014 A000025 MORGAN STANLEY INDIA FINANCIAL SERVICES PRIVA
014 B000025 8-00000
014 A000026 MORGAN STANLEY JAPAN SECURITIES CO., LTD.
014 B000026 8-00000
014 A000027 MORGAN STANLEY MARKET PRODUCTS INC.
014 B000027 8-37795
014 A000028 MORGAN STANLEY MUFG SECURITIES CO., LTD.
014 B000028 8-00000
014 A000029 MORGAN STANLEY SECURITIES LIMITED
014 B000029 8-00000
      PAGE  3
014 A000030 MORGAN STANLEY SMITH BARNEY AUSTRALIA PTY LTD
014 B000030 8-00000
014 A000031 MORGAN STANLEY SMITH BARNEY FINANCING, LLC
014 B000031 8-00000
014 A000032 MORGAN STANLEY SMITH BARNEY LLC
014 B000032 8-68191
014 A000033 MORGAN STANLEY TAIWAN LIMITED
014 B000033 8-00000
014 A000034 MORGAN STANLEY, S.V. S.A.
014 B000034 8-00000
014 A000035 MS SECURITIES SERVICES INC.
014 B000035 8-26804
014 A000036 MUNICENTER
014 B000036 8-00000
014 A000037 OOO MORGAN STANLEY BANK
014 B000037 8-00000
014 A000038 PRIME DEALER SERVICES CORP.
014 B000038 8-47025
014 A000039 RMB MORGAN STANLEY
014 B000039 8-00000
014 A000040 UNIONBANC INVESTMENT SERVICES
014 B000040 8-30706
014 A000041 OLIVETREE SECURITIES LTD.
014 B000041 8-00000
014 A000042 MITSUBISHI UFJ SECURITIES CO. LTD.
014 B000042 8-00000
014 A000043 MITSUBISHI UFJ MORGAN STANLEY SECURITIES CO.
014 B000043 8-00000
015 A000001 STATE STREET BANK & TRUST COMPANY
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02101
015 E010001 X
015 A000002 JPMORGAN CHASE BANK N.A.
015 B000002 C
015 C010002 NEW YORK
015 C020002 NY
015 C030002 10017
015 E010002 X
015 A000003 JPMORGAN CHASE BANK N.A.
015 B000003 S
015 C010003 NEW YORK
015 C020003 NY
015 C030003 10017
015 E040003 X
018  000000 Y
019 A000000 Y
019 B000000  105
019 C000000 MORGANSTAN
020 A000001 GOLDMAN SACHS & CO.
      PAGE  4
020 B000001 13-5108880
020 C000001      7
021  000000        7
022 A000001 STATE STREET BANK & TRUST CO.
022 B000001 04-1867445
022 C000001    164602
022 D000001    158593
022 A000002 JP MORGAN CHASE & CO.
022 B000002 13-3379014
022 C000002    102112
022 D000002    128628
022 A000003 UBS SECURITIES LLC
022 B000003 13-3873456
022 C000003     84890
022 D000003     69661
022 A000004 DEUTSCHE BANK AG
022 B000004 13-2944980
022 C000004     70267
022 D000004     33994
022 A000005 GOLDMAN SACHS & CO.
022 B000005 13-5108880
022 C000005     33518
022 D000005     39870
022 A000006 RBS SECURITIES
022 B000006 13-3172275
022 C000006     14984
022 D000006     26666
022 A000007 HSBC SECURITIES, INC.
022 B000007 13-2650272
022 C000007     23930
022 D000007     15764
022 A000008 BARCLAYS PLC
022 B000008 13-4942190
022 C000008     13073
022 D000008     25772
022 A000009 BANCO SANTANDER, S.A.
022 B000009 13-2617929
022 C000009     17095
022 D000009     15311
022 A000010 DBTC AMERICAS/DBAG LONDON GLOBAL MRKS
022 B000010 00-0000000
022 C000010     15858
022 D000010     16535
023 C000000     572967
023 D000000     568439
024  000000 N
026 A000000 N
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
      PAGE  5
026 F000000 Y
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
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
      PAGE  6
042 H000000   0
043  000000      0
044  000000      0
045  000000 Y
046  000000 N
047  000000 Y
048  000000  1.000
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 N
053 A000000 Y
053 B000000 Y
053 C000000 N
054 A000000 Y
054 B000000 Y
054 C000000 Y
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 Y
054 H000000 N
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
054 O000000 N
      PAGE  7
055 A000000 Y
055 B000000 N
056  000000 Y
057  000000 N
058 A000000 N
059  000000 Y
060 A000000 N
060 B000000 N
061  000000        0
062 A000000 Y
062 B000000   0.0
062 C000000   0.0
062 D000000   2.1
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   2.9
062 M000000   0.0
062 N000000   0.0
062 O000000   0.0
062 P000000   2.4
062 Q000000  84.4
062 R000000   8.2
063 A000000   0
063 B000000  5.9
064 A000000 N
064 B000000 Y
065  000000 N
066 A000000 N
067  000000 N
068 A000000 N
068 B000000 Y
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
      PAGE  8
070 H010000 Y
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 Y
070 K020000 Y
070 L010000 Y
070 L020000 Y
070 M010000 Y
070 M020000 Y
070 N010000 Y
070 N020000 Y
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 Y
070 R020000 N
071 A000000    297069
071 B000000    302007
071 C000000    282227
071 D000000  105
072 A000000 12
072 B000000    20665
072 C000000       34
072 D000000        0
072 E000000        0
072 F000000     2745
072 G000000      191
072 H000000        0
072 I000000        9
072 J000000       50
072 K000000        0
072 L000000       53
072 M000000        8
072 N000000        0
072 O000000        0
072 P000000      156
072 Q000000        0
072 R000000       96
072 S000000       27
072 T000000        0
072 U000000        0
072 V000000        0
072 W000000       21
072 X000000     3356
072 Y000000      110
      PAGE  9
072 Z000000    17453
072AA000000    16090
072BB000000        0
072CC010000        0
072CC020000     6118
072DD010000    15611
072DD020000        0
072EE000000     7294
073 A010000   0.6600
073 A020000   0.0000
073 B000000   0.3100
073 C000000   0.0000
074 A000000      432
074 B000000     6312
074 C000000        0
074 D000000   263070
074 E000000        0
074 F000000        0
074 G000000        0
074 H000000        0
074 I000000    33586
074 J000000        0
074 K000000      316
074 L000000     4953
074 M000000      414
074 N000000   309083
074 O000000        0
074 P000000      237
074 Q000000        0
074 R010000        0
074 R020000        0
074 R030000        0
074 R040000    39449
074 S000000        0
074 T000000   269397
074 U010000    23670
074 U020000        0
074 V010000    11.38
074 V020000     0.00
074 W000000   0.0000
074 X000000        0
074 Y000000        0
075 A000000        0
075 B000000   274485
076  000000    10.48
077 A000000 Y
077 B000000 Y
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
      PAGE  10
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 Y
077 P000000 N
077 Q010000 N
077 Q020000 N
077 Q030000 N
078  000000 N
080 A000000 ICI MUTUAL INSURANCE COMPANY
080 B000000 Continental Insurance Company
080 C000000    50000
081 A000000 Y
081 B000000 106
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   2726
086 A020000  30428
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 61744H105
087 A030000 MSD
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 N
SIGNATURE   STEVEN FORRESTER
TITLE       MANAGER