<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
<NUMBER> 074
<NAME> NUVEEN FLAGSHIP WISCONSIN MUNICIPAL BOND FUND - CLASS R
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> MAY-31-2000
<PERIOD-START> JUN-01-1999
<PERIOD-END> MAY-31-2000
<INVESTMENTS-AT-COST> 41286
<INVESTMENTS-AT-VALUE> 38851
<RECEIVABLES> 1055
<ASSETS-OTHER> 1939
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 41845
<PAYABLE-FOR-SECURITIES> 3124
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 188
<TOTAL-LIABILITIES> 3312
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 41443
<SHARES-COMMON-STOCK> 5
<SHARES-COMMON-PRIOR> 10
<ACCUMULATED-NII-CURRENT> 3
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (478)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (2435)
<NET-ASSETS> 38533
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 2137
<OTHER-INCOME> 0
<EXPENSES-NET> 432
<NET-INVESTMENT-INCOME> 1705
<REALIZED-GAINS-CURRENT> (478)
<APPREC-INCREASE-CURRENT> (3231)
<NET-CHANGE-FROM-OPS> (2004)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 4
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 6
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 1956
<ACCUMULATED-NII-PRIOR> 1
<ACCUMULATED-GAINS-PRIOR> 26
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 208
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 483
<AVERAGE-NET-ASSETS> 83
<PER-SHARE-NAV-BEGIN> 10.23
<PER-SHARE-NII> .46
<PER-SHARE-GAIN-APPREC> (.94)
<PER-SHARE-DIVIDEND> (.46)
<PER-SHARE-DISTRIBUTIONS> (.01)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.28
<EXPENSE-RATIO> .78
</TABLE>
