<PAGE> PAGE 1
000 A000000 08/31/1999
000 C000000 0000350183
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 MSDW DIVIDEND GROWTH SECURITIES INC.
001 B000000 811-3128
001 C000000 2123921600
002 A000000 2 WORLD TRADE CENTER
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10048
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 MORGAN STANLEY DEAN WITTER ADVISORS INC.
008 B000001 A
008 C000001 801-42061
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10048
011 A000001 MORGAN STANLEY DEAN WITTER DISTRIBUTORS INC
011 B000001 8-45262
011 C010001 NEW YORK
011 C020001 NY
011 C030001 10048
012 A000001 MORGAN STANLEY DEAN WITTER TRUST FSB
012 B000001 84-1785
012 C010001 JERSEY CITY
012 C020001 NJ
012 C030001 07311
013 A000001 PRICEWATERHOUSECOOPERS LLP
013 B010001 NEW YORK
013 B020001 NY
<PAGE> PAGE 2
013 B030001 10036
014 A000001 DEAN WITTER REYNOLDS INC.
014 B000001 8-14172
014 A000002 MORGAN STANLEY & CO. INCORPORATED
014 B000002 8-15869
015 A000001 THE BANK OF NEW YORK
015 B000001 C
015 C010001 NEW YORK
015 C020001 NY
015 C030001 10286
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 127
019 C000000 MSDW-FUNDS
020 A000001 MORGAN STANLEY & COMPANY INC.
020 B000001 13-2655998
020 C000001 76
020 A000002 DEAN WITTER REYNOLDS INC.
020 B000002 94-1671384
020 C000002 65
020 A000003 LEHMAN BROTHERS INC.
020 B000003 13-2518466
020 C000003 44
020 A000004 WEEDEN & COMPANY, L.P.
020 B000004 13-3364318
020 C000004 44
020 A000005 SALOMON SMITH BARNEY INC.
020 B000005 13-1912900
020 C000005 43
020 A000006 DEUTSCHE BANK SECURITIES CORPORATION
020 B000006 13-2730828
020 C000006 40
020 A000007 INVESTMENT TECHNOLOGY GROUP INC.
020 B000007 95-4339369
020 C000007 39
020 A000008 CIBC OPPENHEIMER CORPORATION
020 B000008 13-5492430
020 C000008 37
020 A000009 CS FIRST BOSTON CORPORATION
020 B000009 13-5659485
020 C000009 32
020 A000010 SANFORD C. BERNSTEIN & CO. INC.
020 B000010 13-2625874
020 C000010 29
021 000000 787
022 A000001 GOLDMAN SACHS & COMPANY
022 B000001 13-5108880
022 C000001 13375456
022 D000001 0
022 A000002 BANC OF AMERICA SECURITIES LLC
<PAGE> PAGE 3
022 B000002 56-2058405
022 C000002 13349371
022 D000002 0
022 A000003 MERRILL LYNCH, PIERCE, FENNER & SMITH INC.
022 B000003 13-5674085
022 C000003 7618458
022 D000003 0
022 A000004 CS FIRST BOSTON CORPORATION
022 B000004 13-5659485
022 C000004 593325
022 D000004 0
022 A000005 LEHMAN BROTHERS INC.
022 B000005 13-2518466
022 C000005 349702
022 D000005 0
022 A000006 J.P. MORGAN SECURITIES INC.
022 B000006 13-3224016
022 C000006 339723
022 D000006 0
022 A000007 SALOMON SMITH BARNEY INC.
022 B000007 13-1912900
022 C000007 324620
022 D000007 0
022 A000008 GENERAL ELECTRIC CAPITAL CORPORATION
022 B000008 13-3112953
022 C000008 289086
022 D000008 0
022 A000009 THE BANK OF NEW YORK
022 B000009 13-5160382
022 C000009 235473
022 D000009 0
022 A000010 DEUTSCHE BANK SECURITIES CORPORATION
022 B000010 13-2730828
022 C000010 149591
022 D000010 0
023 C000000 37276986
023 D000000 3447
024 000000 Y
025 A000001 J.P. MORGAN SECURITIES INC.
025 B000001 13-3224016
025 C000001 E
025 D000001 193781
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 Y
<PAGE> PAGE 4
026 C000000 Y
026 D000000 Y
026 E000000 Y
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 Y
028 A010000 222876
028 A020000 44119
028 A030000 0
028 A040000 302704
028 B010000 218136
028 B020000 0
028 B030000 0
028 B040000 319919
028 C010000 224308
028 C020000 0
028 C030000 0
028 C040000 239846
028 D010000 200962
028 D020000 279863
028 D030000 0
028 D040000 203853
028 E010000 190458
028 E020000 0
028 E030000 0
028 E040000 271265
028 F010000 185068
028 F020000 0
028 F030000 0
028 F040000 255824
028 G010000 1241808
028 G020000 323982
028 G030000 0
028 G040000 1593411
028 H000000 1195920
029 000000 Y
030 A000000 528
030 B000000 5.25
030 C000000 0.00
031 A000000 0
031 B000000 290
032 000000 0
033 000000 818
034 000000 Y
035 000000 9207
036 A000000 N
036 B000000 0
037 000000 N
038 000000 0
<PAGE> PAGE 5
039 000000 N
040 000000 Y
041 000000 Y
042 A000000 0
042 B000000 0
042 C000000 100
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 66451
044 000000 0
045 000000 Y
046 000000 N
047 000000 Y
048 000000 0.000
048 A010000 250000
048 A020000 0.625
048 B010000 750000
048 B020000 0.500
048 C010000 1000000
048 C020000 0.475
048 D010000 1000000
048 D020000 0.450
048 E010000 1000000
048 E020000 0.425
048 F010000 1000000
048 F020000 0.400
048 G010000 1000000
048 G020000 0.375
048 H010000 2000000
048 H020000 0.350
048 I010000 2000000
048 I020000 0.325
048 J010000 0
048 J020000 0.000
048 K010000 10000000
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 Y
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 Y
<PAGE> PAGE 6
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 1000
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 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 N
<PAGE> PAGE 7
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 Y
070 J020000 N
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 N
070 O020000 N
070 P010000 Y
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 444907
071 B000000 137641
071 C000000 19551697
071 D000000 1
072 A000000 6
072 B000000 30675
072 C000000 196909
072 D000000 0
072 E000000 0
072 F000000 34992
072 G000000 0
072 H000000 0
072 I000000 6788
072 J000000 386
072 K000000 0
072 L000000 345
072 M000000 9
072 N000000 250
<PAGE> PAGE 8
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 18
072 S000000 13
072 T000000 66451
072 U000000 0
072 V000000 0
072 W000000 110
072 X000000 109362
072 Y000000 0
072 Z000000 118222
072AA000000 111480
072BB000000 0
072CC010000 884630
072CC020000 0
072DD010000 94255
072DD020000 4807
072EE000000 249741
073 A010000 0.0000
073 A020000 0.0000
073 B000000 0.8003
073 C000000 0.0000
074 A000000 0
074 B000000 233
074 C000000 821720
074 D000000 0
074 E000000 0
074 F000000 18792643
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 0
074 K000000 0
074 L000000 77781
074 M000000 469
074 N000000 19692846
074 O000000 0
074 P000000 17807
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 15416
074 S000000 0
074 T000000 19659623
074 U010000 303061
074 U020000 10901
074 V010000 0.00
074 V020000 0.00
074 W000000 0.0000
<PAGE> PAGE 9
074 X000000 968514
074 Y000000 0
075 A000000 0
075 B000000 20287447
076 000000 0.00
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
SIGNATURE BARRY FINK
TITLE VICE PRESIDENT
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000350183
<NAME> MSDW DIVIDEND GROWTH SECURITIES INC.- CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> FEB-29-2000
<PERIOD-END> AUG-31-1999
<INVESTMENTS-AT-COST> 9,438,525,977
<INVESTMENTS-AT-VALUE> 19,614,595,940
<RECEIVABLES> 77,781,093
<ASSETS-OTHER> 468,669
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 19,692,845,702
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> (33,222,661)
<TOTAL-LIABILITIES> (33,222,661)
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 9,296,571,825
<SHARES-COMMON-STOCK> 4,324,542
<SHARES-COMMON-PRIOR> 3,777,381
<ACCUMULATED-NII-CURRENT> 75,588,059
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 111,393,194
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 10,176,069,963
<NET-ASSETS> 270,858,389
<DIVIDEND-INCOME> 196,909,489
<INTEREST-INCOME> 30,674,555
<OTHER-INCOME> 0
<EXPENSES-NET> (109,361,742)
<NET-INVESTMENT-INCOME> 118,222,302
<REALIZED-GAINS-CURRENT> 111,479,619
<APPREC-INCREASE-CURRENT> 884,629,813
<NET-CHANGE-FROM-OPS> 1,114,331,734
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1,857,153)
<DISTRIBUTIONS-OF-GAINS> (3,326,793)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,115,206
<NUMBER-OF-SHARES-REDEEMED> (641,288)
<SHARES-REINVESTED> 73,243
<NET-CHANGE-IN-ASSETS> 737,906,981
<ACCUMULATED-NII-PRIOR> 56,427,122
<ACCUMULATED-GAINS-PRIOR> 249,654,160
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (34,991,661)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (109,361,742)
<AVERAGE-NET-ASSETS> 262,333,181
<PER-SHARE-NAV-BEGIN> 60.22
<PER-SHARE-NII> 0.51
<PER-SHARE-GAIN-APPREC> 3.16
<PER-SHARE-DIVIDEND> (0.46)
<PER-SHARE-DISTRIBUTIONS> (0.80)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 62.63
<EXPENSE-RATIO> 0.66
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000350183
<NAME> MSDW DIVIDEND GROWTH SECURITIES INC.- CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> FEB-29-2000
<PERIOD-END> AUG-31-1999
<INVESTMENTS-AT-COST> 9,438,525,977
<INVESTMENTS-AT-VALUE> 19,614,595,940
<RECEIVABLES> 77,781,093
<ASSETS-OTHER> 468,669
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 19,692,845,702
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> (33,222,661)
<TOTAL-LIABILITIES> (33,222,661)
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 9,296,571,825
<SHARES-COMMON-STOCK> 298,736,590
<SHARES-COMMON-PRIOR> 300,101,280
<ACCUMULATED-NII-CURRENT> 75,588,059
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 111,393,194
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 10,176,069,963
<NET-ASSETS> 18,706,131,211
<DIVIDEND-INCOME> 196,909,489
<INTEREST-INCOME> 30,674,555
<OTHER-INCOME> 0
<EXPENSES-NET> (109,361,742)
<NET-INVESTMENT-INCOME> 118,222,302
<REALIZED-GAINS-CURRENT> 111,479,619
<APPREC-INCREASE-CURRENT> 884,629,813
<NET-CHANGE-FROM-OPS> 1,114,331,734
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (92,397,428)
<DISTRIBUTIONS-OF-GAINS> (237,710,650)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 16,426,936
<NUMBER-OF-SHARES-REDEEMED> (22,568,907)
<SHARES-REINVESTED> 4,777,281
<NET-CHANGE-IN-ASSETS> 737,906,981
<ACCUMULATED-NII-PRIOR> 56,427,122
<ACCUMULATED-GAINS-PRIOR> 249,654,160
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (34,991,661)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (109,361,742)
<AVERAGE-NET-ASSETS> 19,329,328,427
<PER-SHARE-NAV-BEGIN> 60.18
<PER-SHARE-NII> 0.37
<PER-SHARE-GAIN-APPREC> 3.18
<PER-SHARE-DIVIDEND> (0.31)
<PER-SHARE-DISTRIBUTIONS> (0.80)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 62.62
<EXPENSE-RATIO> 1.09
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000350183
<NAME> MSDW DIVIDEND GROWTH SECURITIES INC.- CLASS C
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> FEB-29-2000
<PERIOD-END> AUG-31-1999
<INVESTMENTS-AT-COST> 9,438,525,977
<INVESTMENTS-AT-VALUE> 19,614,595,940
<RECEIVABLES> 77,781,093
<ASSETS-OTHER> 468,669
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 19,692,845,702
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> (33,222,661)
<TOTAL-LIABILITIES> (33,222,661)
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 9,296,571,825
<SHARES-COMMON-STOCK> 3,013,189
<SHARES-COMMON-PRIOR> 2,406,129
<ACCUMULATED-NII-CURRENT> 75,588,059
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 111,393,194
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 10,176,069,963
<NET-ASSETS> 188,115,822
<DIVIDEND-INCOME> 196,909,489
<INTEREST-INCOME> 30,674,555
<OTHER-INCOME> 0
<EXPENSES-NET> (109,361,742)
<NET-INVESTMENT-INCOME> 118,222,302
<REALIZED-GAINS-CURRENT> 111,479,619
<APPREC-INCREASE-CURRENT> 884,629,813
<NET-CHANGE-FROM-OPS> 1,114,331,734
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (595,958)
<DISTRIBUTIONS-OF-GAINS> (2,234,456)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 953,472
<NUMBER-OF-SHARES-REDEEMED> (388,974)
<SHARES-REINVESTED> 42,563
<NET-CHANGE-IN-ASSETS> 737,906,981
<ACCUMULATED-NII-PRIOR> 56,427,122
<ACCUMULATED-GAINS-PRIOR> 249,654,160
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (34,991,661)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (109,361,742)
<AVERAGE-NET-ASSETS> 175,979,577
<PER-SHARE-NAV-BEGIN> 60.02
<PER-SHARE-NII> 0.27
<PER-SHARE-GAIN-APPREC> 3.16
<PER-SHARE-DIVIDEND> (0.22)
<PER-SHARE-DISTRIBUTIONS> (0.80)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 62.43
<EXPENSE-RATIO> 1.42
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000350183
<NAME> MSDW DIVIDEND GROWTH SECURITIES INC.- CLASS D
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> FEB-28-1999
<PERIOD-END> AUG-31-1999
<INVESTMENTS-AT-COST> 9,438,525,977
<INVESTMENTS-AT-VALUE> 19,614,595,940
<RECEIVABLES> 77,781,093
<ASSETS-OTHER> 468,669
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 19,692,845,702
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> (33,222,661)
<TOTAL-LIABILITIES> (33,222,661)
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 9,296,571,825
<SHARES-COMMON-STOCK> 7,887,593
<SHARES-COMMON-PRIOR> 8,115,165
<ACCUMULATED-NII-CURRENT> 75,588,059
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 111,393,194
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 10,176,069,963
<NET-ASSETS> 494,517,619
<DIVIDEND-INCOME> 196,909,489
<INTEREST-INCOME> 30,674,555
<OTHER-INCOME> 0
<EXPENSES-NET> (109,361,742)
<NET-INVESTMENT-INCOME> 118,222,302
<REALIZED-GAINS-CURRENT> 111,479,619
<APPREC-INCREASE-CURRENT> 884,629,813
<NET-CHANGE-FROM-OPS> 1,114,331,734
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (4,210,826)
<DISTRIBUTIONS-OF-GAINS> (6,468,686)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 704,635
<NUMBER-OF-SHARES-REDEEMED> (1,094,503)
<SHARES-REINVESTED> 162,296
<NET-CHANGE-IN-ASSETS> 737,906,981
<ACCUMULATED-NII-PRIOR> 56,427,122
<ACCUMULATED-GAINS-PRIOR> 249,654,160
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (34,991,661)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (109,361,742)
<AVERAGE-NET-ASSETS> 519,805,670
<PER-SHARE-NAV-BEGIN> 60.26
<PER-SHARE-NII> 0.59
<PER-SHARE-GAIN-APPREC> 3.17
<PER-SHARE-DIVIDEND> (0.52)
<PER-SHARE-DISTRIBUTIONS> (0.80)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 62.70
<EXPENSE-RATIO> 0.42
</TABLE>