<PAGE> PAGE 1
000 B000000 04/30/2000
000 C000000 104865
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 WASHINGTON MUTUAL INVESTORS FUND, INC.
001 B000000 811-604
001 C000000 2028425665
002 A000000 1101 VERMONT AVENUE, NW, SUITE 600
002 B000000 WASHINGTON
002 C000000 DC
002 D010000 20005
002 D020000 3521
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 CAPITAL RESEARCH AND MANAGEMENT COMPANY
008 B000001 A
008 C000001 801-8055
008 D010001 LOS ANGELES
008 D020001 CA
008 D030001 90071
008 D040001 1447
010 A000001 WASHINGTON MANAGEMENT CORPORATION
010 C010001 WASHINGTON
010 C020001 DC
010 C030001 20005
010 C040001 3521
011 A000001 AMERICAN FUNDS DISTRIBUTORS, INC.
011 B000001 8-17168
011 C010001 LOS ANGELES
011 C020001 CA
011 C030001 90071
011 C040001 1447
<PAGE> PAGE 2
012 A000001 AMERICAN FUNDS SERVICE COMPANY
012 B000001 84-00316
012 C010001 BREA
012 C020001 CA
012 C030001 92821
012 C040001 5804
013 A000001 PRICEWATERHOUSECOOPERS LLP
013 B010001 LOS ANGELES
013 B020001 CA
013 B030001 90071
013 B040001 2889
015 A000001 THE CHASE MANHATTAN BANK
015 B000001 C
015 C010001 BROOKLYN
015 C020001 NY
015 C030001 11245
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 42
019 C000000 AMFUNDSGRP
020 A000001 PAINE WEBBER INC.
020 B000001 13-2638166
020 C000001 1840
020 A000002 SBC WARBURG DILLON READ INC.
020 B000002 13-1939216
020 C000002 1728
020 A000003 DEUTSCHE MORGAN GRENFELL LTD.
020 B000003 NONUSBROKR
020 C000003 1664
020 A000004 JONES (EDWARD D.) & CO.
020 B000004 43-0345811
020 C000004 1568
020 A000005 LEHMAN BROTHERS INC.
020 B000005 13-2518466
020 C000005 1565
020 A000006 SALOMON SMITH BARNEY INC
020 B000006 13-1912900
020 C000006 1557
020 A000007 MERRILL LYNCH, PIERCE, FENNER & SMITH INC.
020 B000007 13-5674085
020 C000007 1411
020 A000008 MORGAN STANLEY DEAN WITTER
020 B000008 13-2655998
020 C000008 1156
020 A000009 EDWARDS (A.G.) & SONS, INC.
020 B000009 43-0895447
020 C000009 994
020 A000010 NATIONAL FINANCIAL SERVICES CORP.
020 B000010 04-2785576
020 C000010 742
<PAGE> PAGE 3
021 000000 31820
022 A000001 THE CHASE MANHATTAN BANK
022 B000001 13-2633612
022 C000001 12971356
022 D000001 7008294
022 A000002 JEFFERIES AND COMPANY INC.
022 B000002 95-2622900
022 C000002 1559
022 D000002 24917
022 A000003 STATE STREET BANK, NORTH QUINCY
022 B000003 04-1867445
022 C000003 0
022 D000003 27848
022 A000004 SALOMON SMITH BARNEY
022 B000004 11-2418191
022 C000004 0
022 D000004 18305
022 A000005 U.B.S. WARBURG
022 B000005 13-3340045
022 C000005 0
022 D000005 15852
022 A000006 MORGAN STANLEY DEAN WITTER
022 B000006 13-2655998
022 C000006 0
022 D000006 11542
022 A000007 NATIONSBANC MONTGOMERY SECURITIES, INC.
022 B000007 56-2058405
022 C000007 11200
022 D000007 0
022 A000008 LEHMAN BROTHERS
022 B000008 13-2518466
022 C000008 0
022 D000008 11036
022 A000009 BEAR, STEARNS SECURITIES CORP.
022 B000009 13-3299429
022 C000009 10158
022 D000009 0
022 A000010 PAINE WEBBER GROUP, INC.
022 B000010 13-2638166
022 C000010 0
022 D000010 4961
023 C000000 12994932
023 D000000 7122754
024 000000 Y
025 A000001 MORGAN (J.P.) SECURITIES, INC.
025 B000001 13-3224016
025 C000001 E
025 D000001 226454
025 A000002 CHASE MANHATTAN BANK, N.A.
025 B000002 13-2633612
025 C000002 E
<PAGE> PAGE 4
025 D000002 475613
025 A000003 DELETE
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 Y
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 Y
028 A010000 550846
028 A020000 0
028 A030000 0
028 A040000 812062
028 B010000 677757
028 B020000 5058065
028 B030000 0
028 B040000 1553037
028 C010000 686354
028 C020000 106
028 C030000 0
028 C040000 1982851
028 D010000 530006
028 D020000 72
028 D030000 0
028 D040000 2288300
028 E010000 649396
028 E020000 223337
028 E030000 0
028 E040000 2055279
028 F010000 643994
028 F020000 13
028 F030000 0
028 F040000 1183275
028 G010000 3738353
028 G020000 5281593
028 G030000 0
028 G040000 9874804
028 H000000 1505862
029 000000 Y
030 A000000 160656
030 B000000 5.75
030 C000000 0.00
<PAGE> PAGE 5
031 A000000 26981
031 B000000 0
032 000000 133675
033 000000 0
034 000000 Y
035 000000 285
036 A000000 Y
036 B000000 0
037 000000 N
038 000000 0
039 000000 N
040 000000 Y
041 000000 Y
042 A000000 0
042 B000000 0
042 C000000 0
042 D000000 100
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 125743
044 000000 0
045 000000 Y
046 000000 N
047 000000 Y
048 000000 0.000
048 A010000 3000000
048 A020000 0.400
048 B010000 2000000
048 B020000 0.360
048 C010000 3000000
048 C020000 0.345
048 D010000 4000000
048 D020000 0.320
048 E010000 9000000
048 E020000 0.295
048 F010000 13000000
048 F020000 0.270
048 G010000 21000000
048 G020000 0.250
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 55000000
048 K020000 0.235
049 000000 N
050 000000 N
<PAGE> PAGE 6
051 000000 N
052 000000 N
053 A000000 N
054 A000000 Y
054 B000000 Y
054 C000000 Y
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 N
054 N000000 N
054 O000000 N
055 A000000 N
055 B000000 N
056 000000 N
057 000000 N
058 A000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
061 000000 250
062 A000000 N
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
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 0.0
062 Q000000 0.0
062 R000000 0.0
063 A000000 0
063 B000000 0.0
066 A000000 Y
066 E000000 Y
067 000000 N
068 A000000 N
<PAGE> PAGE 7
068 B000000 N
069 000000 N
070 A010000 N
070 A020000 N
070 B010000 N
070 B020000 N
070 C010000 N
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 N
070 E020000 N
070 F010000 N
070 F020000 N
070 G010000 N
070 G020000 N
070 H010000 N
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 N
070 J020000 N
070 K010000 N
070 K020000 N
070 L010000 N
070 L020000 N
070 M010000 N
070 M020000 N
070 N010000 N
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 13500838
071 B000000 18510861
071 C000000 51447563
071 D000000 26
072 A000000 12
072 B000000 91368
072 C000000 1257914
072 D000000 0
072 E000000 0
072 F000000 105889
072 G000000 47107
072 H000000 0
072 I000000 43063
<PAGE> PAGE 8
072 J000000 415
072 K000000 6732
072 L000000 1278
072 M000000 485
072 N000000 3629
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 89
072 S000000 69
072 T000000 125743
072 U000000 0
072 V000000 0
072 W000000 170
072 X000000 334669
072 Y000000 0
072 Z000000 1014613
072AA000000 5370939
072BB000000 0
072CC010000 0
072CC020000 10719233
072DD010000 952846
072DD020000 0
072EE000000 5085575
073 A010000 0.5800
073 A020000 0.0000
073 B000000 3.1050
073 C000000 0.0000
074 A000000 284
074 B000000 0
074 C000000 2294543
074 D000000 0
074 E000000 0
074 F000000 45033921
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 98871
074 K000000 0
074 L000000 118066
074 M000000 0
074 N000000 47545685
074 O000000 74452
074 P000000 11422
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 106742
074 S000000 0
074 T000000 47353069
<PAGE> PAGE 9
074 U010000 1623868
074 U020000 1177
074 V010000 29.14
074 V020000 29.11
074 W000000 0.0000
074 X000000 1977894
074 Y000000 0
075 A000000 0
075 B000000 53251552
076 000000 0.00
077 A000000 Y
077 B000000 Y
078 000000 N
080 A000000 NATIONAL UNION FIRE & INS. CO. OF PITTSBURGH
080 B000000 ICI MUTUAL AND CHUBB GROUP OF INSURANCE COS
080 C000000 65000
081 A000000 Y
081 B000000 62
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
SIGNATURE HOWARD L. KITZMILLER
TITLE SECRETARY
