<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
MORGAN STANLEY DEAN WITTER MUNICIPAL INCOME OPPORTUNITIES TRUST II
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> FEB-28-2001
<PERIOD-END> AUG-31-2000
<INVESTMENTS-AT-COST> 164,023,398
<INVESTMENTS-AT-VALUE> 155,367,569
<RECEIVABLES> 3,143,900
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 98,756
<TOTAL-ASSETS> 158,610,225
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> (256,013)
<TOTAL-LIABILITIES> (256,013)
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 178,044,167
<SHARES-COMMON-STOCK> 18,764,078
<SHARES-COMMON-PRIOR> 19,153,707
<ACCUMULATED-NII-CURRENT> 2,578,351
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (13,612,477)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (8,655,829)
<NET-ASSETS> 158,354,212
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 5,705,992
<OTHER-INCOME> 0
<EXPENSES-NET> (734,543)
<NET-INVESTMENT-INCOME> 4,971,449
<REALIZED-GAINS-CURRENT> (448,083)
<APPREC-INCREASE-CURRENT> 2,553,524
<NET-CHANGE-FROM-OPS> 7,076,890
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (4,837,932)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> (389,629)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (589,070)
<ACCUMULATED-NII-PRIOR> 2,444,834
<ACCUMULATED-GAINS-PRIOR> (13,164,394)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (398,851)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (740,071)
<AVERAGE-NET-ASSETS> 157,806,391
<PER-SHARE-NAV-BEGIN> 8.30
<PER-SHARE-NII> 0.26
<PER-SHARE-GAIN-APPREC> 0.14
<PER-SHARE-DIVIDEND> (0.26)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 8.44
<EXPENSE-RATIO> 0.93
</TABLE>
