<PAGE> PAGE 1
000 A000000 11/30/1999
000 C000000 000869760
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 VAN KAMPEN WORLD PORTFOLIO SERIES TRUST
001 B000000 811-06220
001 C000000 6306846000
002 A000000 1 PARKVIEW PLAZA
002 B000000 OAKBROOK TERRACE
002 C000000 IL
002 D010000 60181
002 D020000 5555
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 1
007 C010100 1
007 C020100 VAN KAMPEN GLOBAL GOVERNMENT SECURITIES FUND
007 C030100 N
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
020 C000001 0
020 C000002 0
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 0
022 A000001 STATE STREET BANK & TRUST
022 B000001 04-1867445
022 C000001 305659
022 D000001 0
022 A000002 GOLDMAN SACHS
<PAGE> PAGE 2
022 B000002 13-5108880
022 C000002 77018
022 D000002 24250
022 A000003 CREDIT SUISSE ASSET MANAGEMENT
022 B000003 13-5659485
022 C000003 37010
022 D000003 42899
022 A000004 JP MORGAN
022 B000004 13-3224016
022 C000004 20925
022 D000004 30568
022 A000005 SALOMON BROTHERS
022 B000005 13-3082694
022 C000005 8126
022 D000005 4287
022 A000006 BARCLAYS BANK
022 B000006 13-3551367
022 C000006 4351
022 D000006 5017
022 A000007 MERRILL LYNCH
022 B000007 13-5674085
022 C000007 6236
022 D000007 2666
022 A000008 GE CAPITAL
022 B000008 06-1076552
022 C000008 7209
022 D000008 0
022 A000009 BANK OF BOSTON
022 B000009 04-2472499
022 C000009 1060
022 D000009 6140
022 A000010 DEUTSCHE
022 B000010 13-2730828
022 C000010 3490
022 D000010 3371
023 C000000 472590
023 D000000 120961
026 A000000 Y
026 B000000 Y
026 C000000 Y
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 Y
077 A000000 N
078 000000 N
086 A010000 0
086 A020000 0
<PAGE> PAGE 3
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
008 A000101 VAN KAMPEN ASSET MANAGEMENT
008 B000101 A
008 C000101 801-8286
008 D010101 OAKBROOK TERRACE
008 D020101 IL
008 D030101 60181
008 D040101 5555
008 A000102 MORGAN STANLEY DEAN WITTER INVEST MANAGEMENT
008 B000102 S
008 C000102 801-6229
008 D010102 NEW YORK
008 D020102 NY
008 D030102 10036
012 A000101 VAN KAMPEN INVESTOR SERVICES INC.
012 B000101 84-01621
012 C010101 KANSAS CITY
012 C020101 MO
012 C030101 64141
013 A000101 PRICEWATERHOUSECOOPERS, LLP
013 B010101 HOUSTON
013 B020101 TX
013 B030101 77002
014 A000101 MORGAN STANLEY & CO., INCORPORATED
014 B000101 8-733537
014 A000102 DEAN WITTER REYNOLDS, INC.
014 B000102 8-728181
015 A000101 STATE STREET BANK AND TRUST CO.
015 B000101 C
015 C010101 BOSTON
015 C020101 MA
015 C030101 02105
015 E010101 X
018 000100 Y
019 A000100 Y
019 B000100 118
019 C000100 VANKAMPENF
024 000100 N
025 A000101 DELETE
025 D000101 0
025 A000102 DELETE
025 D000102 0
<PAGE> PAGE 4
025 A000103 DELETE
025 D000103 0
025 D000104 0
025 D000105 0
025 D000106 0
025 D000107 0
025 D000108 0
028 A010100 1105
028 A020100 172
028 A030100 0
028 A040100 1898
028 B010100 1422
028 B020100 172
028 B030100 0
028 B040100 2457
028 C010100 1209
028 C020100 155
028 C030100 0
028 C040100 7825
028 D010100 1534
028 D020100 128
028 D030100 0
028 D040100 4425
028 E010100 917
028 E020100 119
028 E030100 0
028 E040100 4569
028 F010100 1153
028 F020100 108
028 F030100 0
028 F040100 1937
028 G010100 7340
028 G020100 854
028 G030100 0
028 G040100 23111
028 H000100 6947
029 000100 Y
030 A000100 8
030 B000100 4.75
030 C000100 0.00
031 A000100 1
031 B000100 0
032 000100 7
033 000100 0
034 000100 Y
035 000100 10
036 A000100 Y
036 B000100 0
037 000100 N
038 000100 0
039 000100 N
<PAGE> PAGE 5
040 000100 Y
041 000100 Y
042 A000100 0
042 B000100 0
042 C000100 55
042 D000100 45
042 E000100 0
042 F000100 0
042 G000100 0
042 H000100 0
043 000100 156
044 000100 0
045 000100 Y
046 000100 Y
047 000100 Y
048 000100 0.750
048 A010100 0
048 A020100 0.000
048 B010100 0
048 B020100 0.000
048 C010100 0
048 C020100 0.000
048 D010100 0
048 D020100 0.000
048 E010100 0
048 E020100 0.000
048 F010100 0
048 F020100 0.000
048 G010100 0
048 G020100 0.000
048 H010100 0
048 H020100 0.000
048 I010100 0
048 I020100 0.000
048 J010100 0
048 J020100 0.000
048 K010100 0
048 K020100 0.000
049 000100 N
050 000100 N
051 000100 N
052 000100 N
053 A000100 N
054 A000100 Y
054 B000100 N
054 C000100 N
054 D000100 N
054 E000100 N
054 F000100 N
054 G000100 Y
054 H000100 N
<PAGE> PAGE 6
054 I000100 Y
054 J000100 N
054 K000100 N
054 L000100 N
054 M000100 N
054 N000100 N
054 O000100 N
055 A000100 N
055 B000100 N
056 000100 Y
057 000100 N
058 A000100 N
059 000100 Y
060 A000100 Y
060 B000100 Y
061 000100 0
062 A000100 Y
062 B000100 0.0
062 C000100 0.0
062 D000100 2.1
062 E000100 0.0
062 F000100 0.0
062 G000100 0.0
062 H000100 0.0
062 I000100 3.0
062 J000100 0.0
062 K000100 0.0
062 L000100 0.0
062 M000100 28.1
062 N000100 4.1
062 O000100 0.0
062 P000100 0.0
062 Q000100 69.6
062 R000100 0.0
063 A000100 0
063 B000100 7.4
064 A000100 N
064 B000100 N
066 A000100 N
067 000100 N
068 A000100 N
068 B000100 Y
069 000100 N
070 A010100 Y
070 A020100 Y
070 B010100 N
070 B020100 N
070 C010100 Y
070 C020100 N
070 D010100 N
070 D020100 N
<PAGE> PAGE 7
070 E010100 Y
070 E020100 N
070 F010100 N
070 F020100 N
070 G010100 Y
070 G020100 N
070 H010100 N
070 H020100 N
070 I010100 N
070 I020100 N
070 J010100 N
070 J020100 N
070 K010100 N
070 K020100 N
070 L010100 Y
070 L020100 Y
070 M010100 Y
070 M020100 Y
070 N010100 Y
070 N020100 N
070 O010100 Y
070 O020100 N
070 P010100 N
070 P020100 N
070 Q010100 N
070 Q020100 N
070 R010100 Y
070 R020100 N
071 A000100 4711
071 B000100 3513
071 C000100 28358
071 D000100 12
072 A000100 6
072 B000100 1384
072 C000100 0
072 D000100 0
072 E000100 0
072 F000100 172
072 G000100 0
072 H000100 0
072 I000100 56
072 J000100 37
072 K000100 0
072 L000100 28
072 M000100 7
072 N000100 0
072 O000100 0
072 P000100 0
072 Q000100 25
072 R000100 0
072 S000100 2
<PAGE> PAGE 8
072 T000100 140
072 U000100 0
072 V000100 0
072 W000100 34
072 X000100 501
072 Y000100 0
072 Z000100 883
072AA000100 0
072BB000100 1566
072CC010100 0
072CC020100 45
072DD010100 721
072DD020100 514
072EE000100 0
073 A010100 0.2150
073 A020100 0.1860
073 B000100 0.0000
073 C000100 0.0000
074 A000100 1
074 B000100 778
074 C000100 1100
074 D000100 31931
074 E000100 0
074 F000100 0
074 G000100 0
074 H000100 0
074 I000100 5859
074 J000100 3734
074 K000100 0
074 L000100 823
074 M000100 31
074 N000100 44257
074 O000100 6054
074 P000100 57
074 Q000100 0
074 R010100 0
074 R020100 0
074 R030100 0
074 R040100 1056
074 S000100 0
074 T000100 37090
074 U010100 3505
074 U020100 1504
074 V010100 6.99
074 V020100 7.03
074 W000100 0.0000
074 X000100 4770
074 Y000100 10678
075 A000100 0
075 B000100 45903
076 000100 0.00
<PAGE> PAGE 9
080 C000100 0
081 B000100 0
082 B000100 0
083 B000100 0
084 B000100 0
SIGNATURE SARA L. BADLER
TITLE ATTORNEY
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
<F1> This item relates to the Fund on a composite
basis and not on a class basis
</LEGEND>
<SERIES>
<NUMBER> 11
<NAME> GLOBAL GOV A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> MAY-31-2000
<PERIOD-START> JUN-01-1999
<PERIOD-END> NOV-30-1999
<INVESTMENTS-AT-COST> 40,453,224 <F1>
<INVESTMENTS-AT-VALUE> 39,668,089 <F1>
<RECEIVABLES> 4,557,460 <F1>
<ASSETS-OTHER> 0 <F1>
<OTHER-ITEMS-ASSETS> 31,851 <F1>
<TOTAL-ASSETS> 44,257,400 <F1>
<PAYABLE-FOR-SECURITIES> 6,054,302 <F1>
<SENIOR-LONG-TERM-DEBT> 0 <F1>
<OTHER-ITEMS-LIABILITIES> 1,113,581 <F1>
<TOTAL-LIABILITIES> 7,167,883 <F1>
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 37,359,059
<SHARES-COMMON-STOCK> 3,504,597
<SHARES-COMMON-PRIOR> 3,272,680
<ACCUMULATED-NII-CURRENT> (348,945)<F1>
<OVERDISTRIBUTION-NII> 0 <F1>
<ACCUMULATED-NET-GAINS> (39,963,835)<F1>
<OVERDISTRIBUTION-GAINS> 0 <F1>
<ACCUM-APPREC-OR-DEPREC> (1,234,948)<F1>
<NET-ASSETS> 24,502,892
<DIVIDEND-INCOME> 0 <F1>
<INTEREST-INCOME> 1,383,632 <F1>
<OTHER-INCOME> 0 <F1>
<EXPENSES-NET> (500,597)<F1>
<NET-INVESTMENT-INCOME> 883,035 <F1>
<REALIZED-GAINS-CURRENT> (1,566,239)<F1>
<APPREC-INCREASE-CURRENT> (44,576)<F1>
<NET-CHANGE-FROM-OPS> (727,780)<F1>
<EQUALIZATION> 0 <F1>
<DISTRIBUTIONS-OF-INCOME> (720,920)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 975,746
<NUMBER-OF-SHARES-REDEEMED> (809,175)
<SHARES-REINVESTED> 65,346
<NET-CHANGE-IN-ASSETS> 617,717
<ACCUMULATED-NII-PRIOR> 60,386 <F1>
<ACCUMULATED-GAINS-PRIOR> (38,397,596)<F1>
<OVERDISTRIB-NII-PRIOR> 0 <F1>
<OVERDIST-NET-GAINS-PRIOR> 0 <F1>
<GROSS-ADVISORY-FEES> 172,196 <F1>
<INTEREST-EXPENSE> 0 <F1>
<GROSS-EXPENSE> 500,597 <F1>
<AVERAGE-NET-ASSETS> 23,995,609
<PER-SHARE-NAV-BEGIN> 7.298
<PER-SHARE-NII> 0.149
<PER-SHARE-GAIN-APPREC> (0.240)
<PER-SHARE-DIVIDEND> (0.215)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 6.992
<EXPENSE-RATIO> 1.84
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
<F1> This item relates to the Fund on a composite
basis and not on a class basis
</LEGEND>
<SERIES>
<NUMBER> 12
<NAME> GLOBAL GOV B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> MAY-31-2000
<PERIOD-START> JUN-01-1999
<PERIOD-END> NOV-30-1999
<INVESTMENTS-AT-COST> 40,453,224 <F1>
<INVESTMENTS-AT-VALUE> 39,668,089 <F1>
<RECEIVABLES> 4,557,460 <F1>
<ASSETS-OTHER> 0 <F1>
<OTHER-ITEMS-ASSETS> 31,851 <F1>
<TOTAL-ASSETS> 44,257,400 <F1>
<PAYABLE-FOR-SECURITIES> 6,054,302 <F1>
<SENIOR-LONG-TERM-DEBT> 0 <F1>
<OTHER-ITEMS-LIABILITIES> 1,113,581 <F1>
<TOTAL-LIABILITIES> 7,167,883 <F1>
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 35,550,657
<SHARES-COMMON-STOCK> 1,503,780
<SHARES-COMMON-PRIOR> 3,781,212
<ACCUMULATED-NII-CURRENT> (348,945)<F1>
<OVERDISTRIBUTION-NII> 0 <F1>
<ACCUMULATED-NET-GAINS> (39,963,835)<F1>
<OVERDISTRIBUTION-GAINS> 0 <F1>
<ACCUM-APPREC-OR-DEPREC> (1,234,948)<F1>
<NET-ASSETS> 10,567,146
<DIVIDEND-INCOME> 0 <F1>
<INTEREST-INCOME> 1,383,632 <F1>
<OTHER-INCOME> 0 <F1>
<EXPENSES-NET> (500,597)<F1>
<NET-INVESTMENT-INCOME> 883,035 <F1>
<REALIZED-GAINS-CURRENT> (1,566,239)<F1>
<APPREC-INCREASE-CURRENT> (44,576)<F1>
<NET-CHANGE-FROM-OPS> (727,780)<F1>
<EQUALIZATION> 0 <F1>
<DISTRIBUTIONS-OF-INCOME> (513,702)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 47,559
<NUMBER-OF-SHARES-REDEEMED> (2,374,905)
<SHARES-REINVESTED> 49,914
<NET-CHANGE-IN-ASSETS> (17,202,798)
<ACCUMULATED-NII-PRIOR> 60,386 <F1>
<ACCUMULATED-GAINS-PRIOR> (38,397,596)<F1>
<OVERDISTRIB-NII-PRIOR> 0 <F1>
<OVERDIST-NET-GAINS-PRIOR> 0 <F1>
<GROSS-ADVISORY-FEES> 172,196 <F1>
<INTEREST-EXPENSE> 0 <F1>
<GROSS-EXPENSE> 500,597 <F1>
<AVERAGE-NET-ASSETS> 19,700,628
<PER-SHARE-NAV-BEGIN> 7.344
<PER-SHARE-NII> 0.126
<PER-SHARE-GAIN-APPREC> (0.257)
<PER-SHARE-DIVIDEND> (0.186)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 7.027
<EXPENSE-RATIO> 2.53
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
<F1> This item relates to the Fund on a composite
basis and not on a class basis
</LEGEND>
<SERIES>
<NUMBER> 13
<NAME> GLOBAL GOV C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> MAY-31-2000
<PERIOD-START> JUN-01-1999
<PERIOD-END> NOV-30-1999
<INVESTMENTS-AT-COST> 40,453,224 <F1>
<INVESTMENTS-AT-VALUE> 39,668,089 <F1>
<RECEIVABLES> 4,557,460 <F1>
<ASSETS-OTHER> 0 <F1>
<OTHER-ITEMS-ASSETS> 31,851 <F1>
<TOTAL-ASSETS> 44,257,400 <F1>
<PAYABLE-FOR-SECURITIES> 6,054,302 <F1>
<SENIOR-LONG-TERM-DEBT> 0 <F1>
<OTHER-ITEMS-LIABILITIES> 1,113,581 <F1>
<TOTAL-LIABILITIES> 7,167,883 <F1>
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 5,727,529
<SHARES-COMMON-STOCK> 290,701
<SHARES-COMMON-PRIOR> 325,752
<ACCUMULATED-NII-CURRENT> (348,945)<F1>
<OVERDISTRIBUTION-NII> 0 <F1>
<ACCUMULATED-NET-GAINS> (39,963,835)<F1>
<OVERDISTRIBUTION-GAINS> 0 <F1>
<ACCUM-APPREC-OR-DEPREC> (1,234,948)<F1>
<NET-ASSETS> 2,019,479
<DIVIDEND-INCOME> 0 <F1>
<INTEREST-INCOME> 1,383,632 <F1>
<OTHER-INCOME> 0 <F1>
<EXPENSES-NET> (500,597)<F1>
<NET-INVESTMENT-INCOME> 883,035 <F1>
<REALIZED-GAINS-CURRENT> (1,566,239)<F1>
<APPREC-INCREASE-CURRENT> (44,576)<F1>
<NET-CHANGE-FROM-OPS> (727,780)<F1>
<EQUALIZATION> 0 <F1>
<DISTRIBUTIONS-OF-INCOME> (57,744)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 7,208
<NUMBER-OF-SHARES-REDEEMED> (46,459)
<SHARES-REINVESTED> 4,200
<NET-CHANGE-IN-ASSETS> (351,900)
<ACCUMULATED-NII-PRIOR> 60,386 <F1>
<ACCUMULATED-GAINS-PRIOR> (38,397,596)<F1>
<OVERDISTRIB-NII-PRIOR> 0 <F1>
<OVERDIST-NET-GAINS-PRIOR> 0 <F1>
<GROSS-ADVISORY-FEES> 172,196 <F1>
<INTEREST-EXPENSE> 0 <F1>
<GROSS-EXPENSE> 500,597 <F1>
<AVERAGE-NET-ASSETS> 2,206,436
<PER-SHARE-NAV-BEGIN> 7.280
<PER-SHARE-NII> 0.122
<PER-SHARE-GAIN-APPREC> (0.269)
<PER-SHARE-DIVIDEND> (0.186)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 6.947
<EXPENSE-RATIO> 2.60
</TABLE>
