<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
MSDW INSURED MUNICIPAL BOND TRUST
</LEGEND>
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-END> OCT-31-2000
<INVESTMENTS-AT-COST> 100,412,802
<INVESTMENTS-AT-VALUE> 103,419,266
<RECEIVABLES> 1,588,467
<ASSETS-OTHER> 82,091
<OTHER-ITEMS-ASSETS> 10,775
<TOTAL-ASSETS> 105,100,599
<PAYABLE-FOR-SECURITIES> (3,772,395)
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> (239,330)
<TOTAL-LIABILITIES> (4,011,725)
<SENIOR-EQUITY> 30,000,000
<PAID-IN-CAPITAL-COMMON> 67,711,535
<SHARES-COMMON-STOCK> 4,883,920
<SHARES-COMMON-PRIOR> 5,095,563
<ACCUMULATED-NII-CURRENT> 440,176
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (69,301)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3,006,464
<NET-ASSETS> 101,088,874
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 6,069,799
<OTHER-INCOME> 0
<EXPENSES-NET> (651,675)
<NET-INVESTMENT-INCOME> 5,418,124
<REALIZED-GAINS-CURRENT> 300,894
<APPREC-INCREASE-CURRENT> 1,787,069
<NET-CHANGE-FROM-OPS> 7,506,087
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (5,508,254)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> (211,643)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (696,642)
<ACCUMULATED-NII-PRIOR> 530,306
<ACCUMULATED-GAINS-PRIOR> (370,195)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (352,703)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (668,516)
<AVERAGE-NET-ASSETS> 70,221,489
<PER-SHARE-NAV-BEGIN> 14.09
<PER-SHARE-NII> 1.09
<PER-SHARE-GAIN-APPREC> 0.49
<PER-SHARE-DIVIDEND> (0.86)
<PER-SHARE-DISTRIBUTIONS> (0.25)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 14.56
<EXPENSE-RATIO> 0.95
</TABLE>
