<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> 031
<NAME> NUVEEN ALL-AMERICAN MUNI BOND FUND - CLASS A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> APR-30-2001
<PERIOD-START> MAY-01-2000
<PERIOD-END> OCT-31-2000
<INVESTMENTS-AT-COST> 342251
<INVESTMENTS-AT-VALUE> 346906
<RECEIVABLES> 6806
<ASSETS-OTHER> 4141
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 357853
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1370
<TOTAL-LIABILITIES> 1370
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 363954
<SHARES-COMMON-STOCK> 24014
<SHARES-COMMON-PRIOR> 25068
<ACCUMULATED-NII-CURRENT> (141)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (11984)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 4654
<NET-ASSETS> 356483
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 11113
<OTHER-INCOME> 0
<EXPENSES-NET> 1929
<NET-INVESTMENT-INCOME> 9184
<REALIZED-GAINS-CURRENT> (2805)
<APPREC-INCREASE-CURRENT> 10251
<NET-CHANGE-FROM-OPS> 16630
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 6878
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1616
<NUMBER-OF-SHARES-REDEEMED> 2857
<SHARES-REINVESTED> 188
<NET-CHANGE-IN-ASSETS> (5745)
<ACCUMULATED-NII-PRIOR> 4
<ACCUMULATED-GAINS-PRIOR> (9178)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 876
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1957
<AVERAGE-NET-ASSETS> 254050
<PER-SHARE-NAV-BEGIN> 10.33
<PER-SHARE-NII> .28
<PER-SHARE-GAIN-APPREC> .22
<PER-SHARE-DIVIDEND> (.28)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.55
<EXPENSE-RATIO> .90
</TABLE>
