NUVEEN FLAGSHIP MULTISTATE TRUST IV
NSAR-B, 1998-08-17
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<PAGE>      PAGE  1
000 B000000 05/31/98
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007 C020300 NUVEEN FLAGSHIP KENTUCKY LIMITED MUNI BOND FD
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<PAGE>      PAGE  2
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012 A00AA01 BOSTON FINANCIAL DATA SERVICES
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<PAGE>      PAGE  4
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<PAGE>      PAGE  5
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<PAGE>      PAGE  6
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<PAGE>      PAGE  7
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<PAGE>      PAGE  8
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<PAGE>      PAGE  9
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<PAGE>      PAGE  10
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<PAGE>      PAGE  11
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<PAGE>      PAGE  12
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<PAGE>      PAGE  14
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<PAGE>      PAGE  15
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<PAGE>      PAGE  16
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<PAGE>      PAGE  17
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<PAGE>      PAGE  18
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056  000400 N
057  000400 N
058 A000400 N
059  000400 Y
060 A000400 Y
060 B000400 Y
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<PAGE>      PAGE  19
062 A000400 Y
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062 G000400   0.0
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062 J000400   0.0
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064 B000400 N
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<PAGE>      PAGE  20
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028 A020500       532
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<PAGE>      PAGE  21
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<PAGE>      PAGE  22
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049  000500 N
050  000500 N
051  000500 N
052  000500 N
053 A000500 N
055 A000500 Y
055 B000500 N
056  000500 N
057  000500 N
058 A000500 N
059  000500 Y
060 A000500 N
060 B000500 N
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062 A000500 Y
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062 D000500   0.0
062 E000500   0.0
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062 H000500   0.0
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062 K000500   0.0
062 L000500   0.0
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062 Q000500   0.0
<PAGE>      PAGE  23
062 R000500   0.0
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<PAGE>      PAGE  24
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074 S000500        0
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074 U010500    20785
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074 V020500     0.00
074 W000500   0.0000
074 X000500     4327
074 Y000500     6234
075 A000500        0
075 B000500   240525
076  000500     0.00
028 A010600      5507
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028 B040600      7308
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028 D040600      7932
028 E010600      4385
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028 E040600      9310
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028 F030600         0
<PAGE>      PAGE  25
028 F040600      6449
028 G010600     35874
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034  000600 Y
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036 A000600 Y
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042 C000600   0
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042 E000600   0
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045  000600 Y
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048 A010600   125000
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048 I020600 0.000
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<PAGE>      PAGE  26
048 J020600 0.000
048 K010600  2000000
048 K020600 0.475
049  000600 N
050  000600 N
051  000600 N
052  000600 N
053 A000600 N
055 A000600 Y
055 B000600 N
056  000600 N
057  000600 N
058 A000600 N
059  000600 Y
060 A000600 Y
060 B000600 Y
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062 A000600 Y
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062 E000600   0.0
062 F000600   0.0
062 G000600   0.0
062 H000600   0.0
062 I000600   0.0
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062 N000600   0.0
062 O000600  98.9
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<PAGE>      PAGE  27
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<PAGE>      PAGE  28
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<PAGE>      PAGE  29
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056  000700 N
057  000700 N
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<PAGE>      PAGE  30
060 B000700 N
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<PAGE>      PAGE  31
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030 A000800      0
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031 A000900      0
<PAGE>      PAGE  32
031 B000900      0
032  000900      0
033  000900      0
SIGNATURE   STEPHEN D. FOY                               
TITLE       VP & COMPTROLLER    
 


<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qaulified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
   <NUMBER> 011
   <NAME> NUVEEN FLAGSHIP KANSAS MUNICIPAL BOND FUND CLASS A
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
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<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                            97834
<INVESTMENTS-AT-VALUE>                          106133
<RECEIVABLES>                                     1979
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<DIVIDEND-INCOME>                                    0
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<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                       (4852)
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<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    917
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<PER-SHARE-NAV-BEGIN>                            10.19
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<PER-SHARE-DIVIDEND>                             (.52)
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<EXPENSE-RATIO>                                    .71
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qaulified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
   <NUMBER> 012
   <NAME> NUVEEN FLAGSHIP KANSAS MUNICIPAL BOND FUND CLASS B
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                            97834
<INVESTMENTS-AT-VALUE>                          106133
<RECEIVABLES>                                     1979
<ASSETS-OTHER>                                     553
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  108665
<PAYABLE-FOR-SECURITIES>                           968
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                          513
<TOTAL-LIABILITIES>                               1481
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        103515
<SHARES-COMMON-STOCK>                              307
<SHARES-COMMON-PRIOR>                               60
<ACCUMULATED-NII-CURRENT>                            2
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                         (4632)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                          8299
<NET-ASSETS>                                    107184
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                 5711
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                     726
<NET-INVESTMENT-INCOME>                           4985
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<APPREC-INCREASE-CURRENT>                         3771
<NET-CHANGE-FROM-OPS>                             8976
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                           74
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            247
<NUMBER-OF-SHARES-REDEEMED>                          4
<SHARES-REINVESTED>                                  4
<NET-CHANGE-IN-ASSETS>                           10597
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                       (4852)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              552
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    917
<AVERAGE-NET-ASSETS>                              1788
<PER-SHARE-NAV-BEGIN>                            10.13
<PER-SHARE-NII>                                    .44
<PER-SHARE-GAIN-APPREC>                            .41
<PER-SHARE-DIVIDEND>                             (.44)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.54
<EXPENSE-RATIO>                                   1.45
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qaulified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
   <NUMBER> 013
   <NAME> NUVEEN FLAGSHIP KANSAS MUNICIPAL BOND FUND CLASS C
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                            97834
<INVESTMENTS-AT-VALUE>                          106133
<RECEIVABLES>                                     1979
<ASSETS-OTHER>                                     553
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  108665
<PAYABLE-FOR-SECURITIES>                           968
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                          513
<TOTAL-LIABILITIES>                               1481
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        103515
<SHARES-COMMON-STOCK>                              162
<SHARES-COMMON-PRIOR>                                9
<ACCUMULATED-NII-CURRENT>                            2
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                         (4632)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                          8299
<NET-ASSETS>                                    107184
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                 5711
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                     726
<NET-INVESTMENT-INCOME>                           4985
<REALIZED-GAINS-CURRENT>                           220
<APPREC-INCREASE-CURRENT>                         3771
<NET-CHANGE-FROM-OPS>                             8976
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                           29
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            154
<NUMBER-OF-SHARES-REDEEMED>                          3
<SHARES-REINVESTED>                                  2
<NET-CHANGE-IN-ASSETS>                           10597
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                       (4852)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              552
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    917
<AVERAGE-NET-ASSETS>                               670
<PER-SHARE-NAV-BEGIN>                            10.21
<PER-SHARE-NII>                                    .47
<PER-SHARE-GAIN-APPREC>                            .42
<PER-SHARE-DIVIDEND>                             (.47)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.63
<EXPENSE-RATIO>                                   1.24
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qaulified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
   <NUMBER> 014
   <NAME> NUVEEN FLAGSHIP KANSAS MUNICIPAL BOND FUND CLASS R
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                            97834
<INVESTMENTS-AT-VALUE>                          106133
<RECEIVABLES>                                     1979
<ASSETS-OTHER>                                     553
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  108665
<PAYABLE-FOR-SECURITIES>                           968
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                          513
<TOTAL-LIABILITIES>                               1481
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        103515
<SHARES-COMMON-STOCK>                                1
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                            2
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                         (4632)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                          8299
<NET-ASSETS>                                    107184
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                 5711
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                     726
<NET-INVESTMENT-INCOME>                           4985
<REALIZED-GAINS-CURRENT>                           220
<APPREC-INCREASE-CURRENT>                         3771
<NET-CHANGE-FROM-OPS>                             8976
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            1
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                              8
<NUMBER-OF-SHARES-REDEEMED>                          7
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                           10597
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                       (4852)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              552
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    917
<AVERAGE-NET-ASSETS>                                10
<PER-SHARE-NAV-BEGIN>                            10.22
<PER-SHARE-NII>                                    .56
<PER-SHARE-GAIN-APPREC>                            .43
<PER-SHARE-DIVIDEND>                             (.55)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.66
<EXPENSE-RATIO>                                    .51
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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 FLAGSHIP KENTUCKY LIMITED MUNICIPAL BOND FUND CLASS A
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                            10738
<INVESTMENTS-AT-VALUE>                           11059
<RECEIVABLES>                                      773
<ASSETS-OTHER>                                     175
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                   12007
<PAYABLE-FOR-SECURITIES>                           500
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                           86
<TOTAL-LIABILITIES>                                586
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                         11170
<SHARES-COMMON-STOCK>                              888
<SHARES-COMMON-PRIOR>                              894
<ACCUMULATED-NII-CURRENT>                            1
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                           (71)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                           321
<NET-ASSETS>                                     11421
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                  589
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                      85
<NET-INVESTMENT-INCOME>                            504
<REALIZED-GAINS-CURRENT>                            32
<APPREC-INCREASE-CURRENT>                          205
<NET-CHANGE-FROM-OPS>                              741
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                          410
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            287
<NUMBER-OF-SHARES-REDEEMED>                        316
<SHARES-REINVESTED>                                 24
<NET-CHANGE-IN-ASSETS>                             407
<ACCUMULATED-NII-PRIOR>                              2
<ACCUMULATED-GAINS-PRIOR>                        (103)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                               53
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    166
<AVERAGE-NET-ASSETS>                              9404
<PER-SHARE-NAV-BEGIN>                             9.92
<PER-SHARE-NII>                                   0.44
<PER-SHARE-GAIN-APPREC>                           0.20
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                        (.44)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.12
<EXPENSE-RATIO>                                   0.66
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 032
   <NAME> NUVEEN FLAGSHIP KENTUCKY LIMITED MUNICIPAL BOND FUND CLASS C
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                            10738
<INVESTMENTS-AT-VALUE>                           11059
<RECEIVABLES>                                      773
<ASSETS-OTHER>                                     175
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                   12007
<PAYABLE-FOR-SECURITIES>                           500
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                           86
<TOTAL-LIABILITIES>                                586
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                         11170
<SHARES-COMMON-STOCK>                              239
<SHARES-COMMON-PRIOR>                              216
<ACCUMULATED-NII-CURRENT>                            1
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                           (71)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                           321
<NET-ASSETS>                                     11421
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                  589
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                      85
<NET-INVESTMENT-INCOME>                            504
<REALIZED-GAINS-CURRENT>                            32
<APPREC-INCREASE-CURRENT>                          205
<NET-CHANGE-FROM-OPS>                              741
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                           94
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                             76
<NUMBER-OF-SHARES-REDEEMED>                         61
<SHARES-REINVESTED>                                  7
<NET-CHANGE-IN-ASSETS>                             407
<ACCUMULATED-NII-PRIOR>                              2
<ACCUMULATED-GAINS-PRIOR>                        (103)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                               53
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    166
<AVERAGE-NET-ASSETS>                              2356
<PER-SHARE-NAV-BEGIN>                             9.92
<PER-SHARE-NII>                                   0.40
<PER-SHARE-GAIN-APPREC>                           0.20
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                        (.40)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.12
<EXPENSE-RATIO>                                   1.01
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 034
   <NAME> NUVEEN FLAGSHIP KENTUCKY LIMITED MUNICIPAL BOND FUND CLASS R
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                            10738
<INVESTMENTS-AT-VALUE>                           11059
<RECEIVABLES>                                      773
<ASSETS-OTHER>                                     175
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                   12007
<PAYABLE-FOR-SECURITIES>                           500
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                           86
<TOTAL-LIABILITIES>                                586
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                         11170
<SHARES-COMMON-STOCK>                                2
<SHARES-COMMON-PRIOR>                                0
<ACCUMULATED-NII-CURRENT>                            1
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                           (71)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                           321
<NET-ASSETS>                                     11421
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                  589
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                      85
<NET-INVESTMENT-INCOME>                            504
<REALIZED-GAINS-CURRENT>                            32
<APPREC-INCREASE-CURRENT>                          205
<NET-CHANGE-FROM-OPS>                              741
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            1
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                              1
<NUMBER-OF-SHARES-REDEEMED>                          0
<SHARES-REINVESTED>                                  0 
<NET-CHANGE-IN-ASSETS>                             407
<ACCUMULATED-NII-PRIOR>                              2
<ACCUMULATED-GAINS-PRIOR>                        (103)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                               53
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    166
<AVERAGE-NET-ASSETS>                                13
<PER-SHARE-NAV-BEGIN>                             9.92
<PER-SHARE-NII>                                   0.46
<PER-SHARE-GAIN-APPREC>                           0.18
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                        (.46)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.10
<EXPENSE-RATIO>                                   0.46
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 021
   <NAME> NUVEEN FLAGSHIP KENTUCKY MUNICIPAL BOND FUND CLASS A
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                              JUN-1-1998
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                           441366
<INVESTMENTS-AT-VALUE>                          479312
<RECEIVABLES>                                     7984
<ASSETS-OTHER>                                     490
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  487786
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         2869
<TOTAL-LIABILITIES>                               2869
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        446278
<SHARES-COMMON-STOCK>                            39620
<SHARES-COMMON-PRIOR>                            38987
<ACCUMULATED-NII-CURRENT>                           25
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                            669
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         37945
<NET-ASSETS>                                    484917
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                28198
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                    4143
<NET-INVESTMENT-INCOME>                          24366
<REALIZED-GAINS-CURRENT>                          2172
<APPREC-INCREASE-CURRENT>                        14097
<NET-CHANGE-FROM-OPS>                            40635
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                        22955
<DISTRIBUTIONS-OF-GAINS>                          1985
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                           3217
<NUMBER-OF-SHARES-REDEEMED>                     (3866)
<SHARES-REINVESTED>                               1281
<NET-CHANGE-IN-ASSETS>                           28648
<ACCUMULATED-NII-PRIOR>                              3
<ACCUMULATED-GAINS-PRIOR>                          615
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             2538
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   4143
<AVERAGE-NET-ASSETS>                            443112
<PER-SHARE-NAV-BEGIN>                            11.05
<PER-SHARE-NII>                                    .59
<PER-SHARE-GAIN-APPREC>                            .38
<PER-SHARE-DIVIDEND>                             (.58)
<PER-SHARE-DISTRIBUTIONS>                        (.05)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              11.39
<EXPENSE-RATIO>                                    .77
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 022
   <NAME> NUVEEN FLAGSHIP KENTUCKY MUNICIPAL BOND FUND CLASS B
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                              JUN-1-1998
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                           441366
<INVESTMENTS-AT-VALUE>                          479312
<RECEIVABLES>                                     7984
<ASSETS-OTHER>                                     490
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  487786
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         2869
<TOTAL-LIABILITIES>                               2869
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        446278
<SHARES-COMMON-STOCK>                              375
<SHARES-COMMON-PRIOR>                               49
<ACCUMULATED-NII-CURRENT>                           25
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                            669
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         37945
<NET-ASSETS>                                    484917
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                28198
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                    4143
<NET-INVESTMENT-INCOME>                          24366
<REALIZED-GAINS-CURRENT>                          2172
<APPREC-INCREASE-CURRENT>                        14097
<NET-CHANGE-FROM-OPS>                            40635
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                          103
<DISTRIBUTIONS-OF-GAINS>                            11
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            323
<NUMBER-OF-SHARES-REDEEMED>                         (2)
<SHARES-REINVESTED>                                  4
<NET-CHANGE-IN-ASSETS>                           28648
<ACCUMULATED-NII-PRIOR>                              3
<ACCUMULATED-GAINS-PRIOR>                          615
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             2538
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   4143
<AVERAGE-NET-ASSETS>                              2408
<PER-SHARE-NAV-BEGIN>                            11.06
<PER-SHARE-NII>                                    .50
<PER-SHARE-GAIN-APPREC>                            .38
<PER-SHARE-DIVIDEND>                              (.50)
<PER-SHARE-DISTRIBUTIONS>                         (.05)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              11.39
<EXPENSE-RATIO>                                   1.54
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 023
   <NAME> NUVEEN FLAGSHIP KENTUCKY MUNICIPAL BOND FUND CLASS C
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                              JUN-1-1998
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                           441366
<INVESTMENTS-AT-VALUE>                          479312
<RECEIVABLES>                                     7984
<ASSETS-OTHER>                                     490
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  487786
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         2869
<TOTAL-LIABILITIES>                               2869
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        446278
<SHARES-COMMON-STOCK>                             2515
<SHARES-COMMON-PRIOR>                             2215
<ACCUMULATED-NII-CURRENT>                           25
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                            669
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         37945
<NET-ASSETS>                                    484917
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                28198
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                    4143
<NET-INVESTMENT-INCOME>                          24366
<REALIZED-GAINS-CURRENT>                          2172
<APPREC-INCREASE-CURRENT>                        14097
<NET-CHANGE-FROM-OPS>                            40635
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                         1254
<DISTRIBUTIONS-OF-GAINS>                           120
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            840
<NUMBER-OF-SHARES-REDEEMED>                       (434)
<SHARES-REINVESTED>                                 94
<NET-CHANGE-IN-ASSETS>                           28648
<ACCUMULATED-NII-PRIOR>                              3
<ACCUMULATED-GAINS-PRIOR>                          615
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             2535
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   4143
<AVERAGE-NET-ASSETS>                             27039
<PER-SHARE-NAV-BEGIN>                            11.04
<PER-SHARE-NII>                                    .52
<PER-SHARE-GAIN-APPREC>                            .39
<PER-SHARE-DIVIDEND>                              (.52)
<PER-SHARE-DISTRIBUTIONS>                         (.05)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              11.38
<EXPENSE-RATIO>                                   1.33
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 024
   <NAME> NUVEEN FLAGSHIP KENTUCKY MUNICIPAL BOND FUND CLASS R
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                              JUN-1-1998
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                           441366
<INVESTMENTS-AT-VALUE>                          479312
<RECEIVABLES>                                     7984
<ASSETS-OTHER>                                     490
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  487786
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         2869
<TOTAL-LIABILITIES>                               2869
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        446278
<SHARES-COMMON-STOCK>                              675
<SHARES-COMMON-PRIOR>                               41
<ACCUMULATED-NII-CURRENT>                           25
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                            669
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         37945
<NET-ASSETS>                                    484917
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                28198
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                    4143
<NET-INVESTMENT-INCOME>                          24366
<REALIZED-GAINS-CURRENT>                         21727
<APPREC-INCREASE-CURRENT>                        14097
<NET-CHANGE-FROM-OPS>                            40635
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                           32
<DISTRIBUTIONS-OF-GAINS>                             3
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                             16
<NUMBER-OF-SHARES-REDEEMED>                          0
<SHARES-REINVESTED>                                  2
<NET-CHANGE-IN-ASSETS>                           28648
<ACCUMULATED-NII-PRIOR>                              3
<ACCUMULATED-GAINS-PRIOR>                          615
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             2538
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   4143
<AVERAGE-NET-ASSETS>                               601
<PER-SHARE-NAV-BEGIN>                            11.03
<PER-SHARE-NII>                                    .61
<PER-SHARE-GAIN-APPREC>                            .39
<PER-SHARE-DIVIDEND>                              (.61)
<PER-SHARE-DISTRIBUTIONS>                         (.05)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              11.37
<EXPENSE-RATIO>                                    .58
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 041
   <NAME> NUVEEN FLAGSHIP MICHIGAN MUNICIPAL BOND FUND- CLASS A
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                           309810
<INVESTMENTS-AT-VALUE>                          340188
<RECEIVABLES>                                     6760
<ASSETS-OTHER>                                    1163
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  348111
<PAYABLE-FOR-SECURITIES>                          5555
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         2491
<TOTAL-LIABILITIES>                               8046
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        309096
<SHARES-COMMON-STOCK>                            21837
<SHARES-COMMON-PRIOR>                            22187
<ACCUMULATED-NII-CURRENT>                           97
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                            494
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         30378
<NET-ASSETS>                                    340065
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                19876
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                    3011
<NET-INVESTMENT-INCOME>                          16865
<REALIZED-GAINS-CURRENT>                          1596
<APPREC-INCREASE-CURRENT>                        10226
<NET-CHANGE-FROM-OPS>                            28686
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                        13345
<DISTRIBUTIONS-OF-GAINS>                           597
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                           1390
<NUMBER-OF-SHARES-REDEEMED>                       2419
<SHARES-REINVESTED>                                678
<NET-CHANGE-IN-ASSETS>                           12769
<ACCUMULATED-NII-PRIOR>                             33
<ACCUMULATED-GAINS-PRIOR>                        (338)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             1804
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   3011
<AVERAGE-NET-ASSETS>                            262022
<PER-SHARE-NAV-BEGIN>                            11.68
<PER-SHARE-NII>                                    .61
<PER-SHARE-GAIN-APPREC>                            .42
<PER-SHARE-DIVIDEND>                             (.61)
<PER-SHARE-DISTRIBUTIONS>                        (.03)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              12.07
<EXPENSE-RATIO>                                    .84
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 042
   <NAME> NUVEEN FLAGSHIP MICHIGAN MUNICIPAL BOND FUND- CLASS B
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                           309810
<INVESTMENTS-AT-VALUE>                          340188
<RECEIVABLES>                                     6760
<ASSETS-OTHER>                                    1163
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  348111
<PAYABLE-FOR-SECURITIES>                          5555
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         2491
<TOTAL-LIABILITIES>                               8046
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        309096
<SHARES-COMMON-STOCK>                              318
<SHARES-COMMON-PRIOR>                               33
<ACCUMULATED-NII-CURRENT>                           97
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                            494
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         30378
<NET-ASSETS>                                    340065
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                19876
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                    3011
<NET-INVESTMENT-INCOME>                          16865
<REALIZED-GAINS-CURRENT>                          1596
<APPREC-INCREASE-CURRENT>                        10226
<NET-CHANGE-FROM-OPS>                            28686
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                           64
<DISTRIBUTIONS-OF-GAINS>                             3
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            287
<NUMBER-OF-SHARES-REDEEMED>                          5
<SHARES-REINVESTED>                                  3
<NET-CHANGE-IN-ASSETS>                           12769
<ACCUMULATED-NII-PRIOR>                             33
<ACCUMULATED-GAINS-PRIOR>                        (338)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             1804
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   3011
<AVERAGE-NET-ASSETS>                              1515
<PER-SHARE-NAV-BEGIN>                            11.70
<PER-SHARE-NII>                                    .52
<PER-SHARE-GAIN-APPREC>                            .42
<PER-SHARE-DIVIDEND>                             (.52)
<PER-SHARE-DISTRIBUTIONS>                        (.03)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              12.09
<EXPENSE-RATIO>                                   1.59
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 043
   <NAME> NUVEEN FLAGSHIP MICHIGAN MUNICIPAL BOND FUND- CLASS C
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                           309810
<INVESTMENTS-AT-VALUE>                          340188
<RECEIVABLES>                                     6760
<ASSETS-OTHER>                                    1163
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  348111
<PAYABLE-FOR-SECURITIES>                          5555
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         2491
<TOTAL-LIABILITIES>                               8046
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        309096
<SHARES-COMMON-STOCK>                             3790
<SHARES-COMMON-PRIOR>                             3572
<ACCUMULATED-NII-CURRENT>                           97
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                            494
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         30378
<NET-ASSETS>                                    340065
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                19876
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                    3011
<NET-INVESTMENT-INCOME>                          16865
<REALIZED-GAINS-CURRENT>                          1596
<APPREC-INCREASE-CURRENT>                        10226
<NET-CHANGE-FROM-OPS>                            28686
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                         1983
<DISTRIBUTIONS-OF-GAINS>                           102
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            590
<NUMBER-OF-SHARES-REDEEMED>                        499
<SHARES-REINVESTED>                                127
<NET-CHANGE-IN-ASSETS>                           12769
<ACCUMULATED-NII-PRIOR>                             33
<ACCUMULATED-GAINS-PRIOR>                        (338)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             1804
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   3011
<AVERAGE-NET-ASSETS>                             43640
<PER-SHARE-NAV-BEGIN>                            11.66
<PER-SHARE-NII>                                    .54
<PER-SHARE-GAIN-APPREC>                            .43
<PER-SHARE-DIVIDEND>                             (.54)
<PER-SHARE-DISTRIBUTIONS>                        (.03)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              12.06
<EXPENSE-RATIO>                                   1.39
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 044
   <NAME> NUVEEN FLAGSHIP MICHIGAN MUNICIPAL BOND FUND- CLASS R
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                           309810
<INVESTMENTS-AT-VALUE>                          340188
<RECEIVABLES>                                     6760
<ASSETS-OTHER>                                    1163
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  348111
<PAYABLE-FOR-SECURITIES>                          5555
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         2491
<TOTAL-LIABILITIES>                               8046
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        309096
<SHARES-COMMON-STOCK>                             2229
<SHARES-COMMON-PRIOR>                             2245
<ACCUMULATED-NII-CURRENT>                           97
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                            494
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         30378
<NET-ASSETS>                                    340065
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                19876
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                    3011
<NET-INVESTMENT-INCOME>                          16865
<REALIZED-GAINS-CURRENT>                          1596
<APPREC-INCREASE-CURRENT>                        10226
<NET-CHANGE-FROM-OPS>                            28686
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                         1410
<DISTRIBUTIONS-OF-GAINS>                            61
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            124
<NUMBER-OF-SHARES-REDEEMED>                        225
<SHARES-REINVESTED>                                 85
<NET-CHANGE-IN-ASSETS>                           12769
<ACCUMULATED-NII-PRIOR>                             33
<ACCUMULATED-GAINS-PRIOR>                        (338)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             1804
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   3011
<AVERAGE-NET-ASSETS>                             26619
<PER-SHARE-NAV-BEGIN>                            11.68
<PER-SHARE-NII>                                    .63
<PER-SHARE-GAIN-APPREC>                            .42
<PER-SHARE-DIVIDEND>                             (.63)
<PER-SHARE-DISTRIBUTIONS>                        (.03)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              12.07
<EXPENSE-RATIO>                                    .64
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 051
   <NAME> NUVEEN FLAGSHIP MISSOURI MUNICIPAL BOND FUND CLASS A
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                           226951
<INVESTMENTS-AT-VALUE>                          244090
<RECEIVABLES>                                     6956
<ASSETS-OTHER>                                    2607
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  253653
<PAYABLE-FOR-SECURITIES>                          5948
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         1278
<TOTAL-LIABILITIES>                               7226
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        230031
<SHARES-COMMON-STOCK>                            20785
<SHARES-COMMON-PRIOR>                            20268
<ACCUMULATED-NII-CURRENT>                            3
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                          (746)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         17139
<NET-ASSETS>                                    246427
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                14171
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                    2150
<NET-INVESTMENT-INCOME>                          12021
<REALIZED-GAINS-CURRENT>                          1812
<APPREC-INCREASE-CURRENT>                         7426
<NET-CHANGE-FROM-OPS>                            21259
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                        11521
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                           2106
<NUMBER-OF-SHARES-REDEEMED>                       2184
<SHARES-REINVESTED>                                595
<NET-CHANGE-IN-ASSETS>                           19047
<ACCUMULATED-NII-PRIOR>                              4
<ACCUMULATED-GAINS-PRIOR>                       (2559)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             1308
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   2150
<AVERAGE-NET-ASSETS>                            229278
<PER-SHARE-NAV-BEGIN>                            10.80
<PER-SHARE-NII>                                   0.56
<PER-SHARE-GAIN-APPREC>                           0.43
<PER-SHARE-DIVIDEND>                             (.56)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              11.23
<EXPENSE-RATIO>                                   0.87
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 052
   <NAME> NUVEEN FLAGSHIP MISSOURI MUNICIPAL BOND FUND CLASS B
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                           226951
<INVESTMENTS-AT-VALUE>                          244090
<RECEIVABLES>                                     6956
<ASSETS-OTHER>                                    2607
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  253653
<PAYABLE-FOR-SECURITIES>                          5948
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         1278
<TOTAL-LIABILITIES>                               7226
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        230031
<SHARES-COMMON-STOCK>                              149
<SHARES-COMMON-PRIOR>                               42
<ACCUMULATED-NII-CURRENT>                            3
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                          (746)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         17139
<NET-ASSETS>                                    246427
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                14171
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                    2150
<NET-INVESTMENT-INCOME>                          12021
<REALIZED-GAINS-CURRENT>                          1812
<APPREC-INCREASE-CURRENT>                         7426
<NET-CHANGE-FROM-OPS>                            21259
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                           45
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            131
<NUMBER-OF-SHARES-REDEEMED>                         27
<SHARES-REINVESTED>                                  3
<NET-CHANGE-IN-ASSETS>                           19047
<ACCUMULATED-NII-PRIOR>                              4
<ACCUMULATED-GAINS-PRIOR>                       (2559)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             1308
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   2150
<AVERAGE-NET-ASSETS>                              1063
<PER-SHARE-NAV-BEGIN>                            10.80
<PER-SHARE-NII>                                   0.47
<PER-SHARE-GAIN-APPREC>                           0.44
<PER-SHARE-DIVIDEND>                             (.48)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              11.23
<EXPENSE-RATIO>                                   1.62
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 053
   <NAME> NUVEEN FLAGSHIP MISSOURI MUNICIPAL BOND FUND CLASS C
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                           226951
<INVESTMENTS-AT-VALUE>                          244090
<RECEIVABLES>                                     6956
<ASSETS-OTHER>                                    2607
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  253653
<PAYABLE-FOR-SECURITIES>                          5948
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         1278
<TOTAL-LIABILITIES>                               7226
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        230031
<SHARES-COMMON-STOCK>                             1002
<SHARES-COMMON-PRIOR>                              738
<ACCUMULATED-NII-CURRENT>                            3
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                          (746)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         17139
<NET-ASSETS>                                    246427
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                14171
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                    2150
<NET-INVESTMENT-INCOME>                          12021
<REALIZED-GAINS-CURRENT>                          1812
<APPREC-INCREASE-CURRENT>                         7426
<NET-CHANGE-FROM-OPS>                            21259
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                          453
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            372
<NUMBER-OF-SHARES-REDEEMED>                        138
<SHARES-REINVESTED>                                 30
<NET-CHANGE-IN-ASSETS>                           19047
<ACCUMULATED-NII-PRIOR>                              4
<ACCUMULATED-GAINS-PRIOR>                       (2559)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             1308
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   2150
<AVERAGE-NET-ASSETS>                             10143
<PER-SHARE-NAV-BEGIN>                            10.80
<PER-SHARE-NII>                                   0.50
<PER-SHARE-GAIN-APPREC>                           0.43
<PER-SHARE-DIVIDEND>                             (.50)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              11.23
<EXPENSE-RATIO>                                   1.42
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 054
   <NAME> NUVEEN FLAGSHIP MISSOURI MUNICIPAL BOND FUND CLASS R
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                           226951
<INVESTMENTS-AT-VALUE>                          244090
<RECEIVABLES>                                     6956
<ASSETS-OTHER>                                    2607
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  253653
<PAYABLE-FOR-SECURITIES>                          5948
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         1278
<TOTAL-LIABILITIES>                               7226
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        230031
<SHARES-COMMON-STOCK>                                4
<SHARES-COMMON-PRIOR>                                3
<ACCUMULATED-NII-CURRENT>                            3
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                          (746)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         17139
<NET-ASSETS>                                    246427
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                14171
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                    2150
<NET-INVESTMENT-INCOME>                          12021
<REALIZED-GAINS-CURRENT>                          1812
<APPREC-INCREASE-CURRENT>                         7426
<NET-CHANGE-FROM-OPS>                            21259
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            2
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                              1
<NUMBER-OF-SHARES-REDEEMED>                          1
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                           19047
<ACCUMULATED-NII-PRIOR>                              4
<ACCUMULATED-GAINS-PRIOR>                       (2559)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             1308
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   2150
<AVERAGE-NET-ASSETS>                                41
<PER-SHARE-NAV-BEGIN>                            10.80
<PER-SHARE-NII>                                   0.58
<PER-SHARE-GAIN-APPREC>                           0.43
<PER-SHARE-DIVIDEND>                             (.58)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              11.23
<EXPENSE-RATIO>                                   0.67
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 061
   <NAME> NUVEEN FLAGSHIP OHIO MUNICIPAL BOND CLASS A
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                           627368
<INVESTMENTS-AT-VALUE>                          681649
<RECEIVABLES>                                    13638
<ASSETS-OTHER>                                    2382
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  697669
<PAYABLE-FOR-SECURITIES>                          4000
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         4171
<TOTAL-LIABILITIES>                               8171
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        633173
<SHARES-COMMON-STOCK>                            40290
<SHARES-COMMON-PRIOR>                            40586
<ACCUMULATED-NII-CURRENT>                           36
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                           2007
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         54282
<NET-ASSETS>                                    689498
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                40991
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                    5748
<NET-INVESTMENT-INCOME>                          35243
<REALIZED-GAINS-CURRENT>                          4968
<APPREC-INCREASE-CURRENT>                        16619
<NET-CHANGE-FROM-OPS>                            56830
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                        24389
<DISTRIBUTIONS-OF-GAINS>                          1996
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                           3219
<NUMBER-OF-SHARES-REDEEMED>                     (4939)
<SHARES-REINVESTED>                               1424
<NET-CHANGE-IN-ASSETS>                           23571
<ACCUMULATED-NII-PRIOR>                             60
<ACCUMULATED-GAINS-PRIOR>                         (88)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             3610
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   5748
<AVERAGE-NET-ASSETS>                            473249
<PER-SHARE-NAV-BEGIN>                            11.41
<PER-SHARE-NII>                                    .60
<PER-SHARE-GAIN-APPREC>                            .38
<PER-SHARE-DIVIDEND>                             (.60)
<PER-SHARE-DISTRIBUTIONS>                        (.05)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              11.74
<EXPENSE-RATIO>                                    .85
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 062
   <NAME> NUVEEN FLAGSHIP OHIO MUNICIPAL BOND CLASS B
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                           627368
<INVESTMENTS-AT-VALUE>                          681649
<RECEIVABLES>                                    13638
<ASSETS-OTHER>                                    2382
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  697669
<PAYABLE-FOR-SECURITIES>                          4000
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         4171
<TOTAL-LIABILITIES>                               8171
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        633173
<SHARES-COMMON-STOCK>                              633
<SHARES-COMMON-PRIOR>                              145
<ACCUMULATED-NII-CURRENT>                           36
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                           2007
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         54282
<NET-ASSETS>                                    689498
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                40991
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                    5748
<NET-INVESTMENT-INCOME>                          35243
<REALIZED-GAINS-CURRENT>                          4968
<APPREC-INCREASE-CURRENT>                        16619
<NET-CHANGE-FROM-OPS>                            56830
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                          182
<DISTRIBUTIONS-OF-GAINS>                            17
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            517
<NUMBER-OF-SHARES-REDEEMED>                       (38)
<SHARES-REINVESTED>                                 10
<NET-CHANGE-IN-ASSETS>                           23571
<ACCUMULATED-NII-PRIOR>                             60
<ACCUMULATED-GAINS-PRIOR>                         (88)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             3610
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   5748
<AVERAGE-NET-ASSETS>                              4200
<PER-SHARE-NAV-BEGIN>                            11.41
<PER-SHARE-NII>                                    .51
<PER-SHARE-GAIN-APPREC>                            .38
<PER-SHARE-DIVIDEND>                             (.52)
<PER-SHARE-DISTRIBUTIONS>                        (.05)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              11.73
<EXPENSE-RATIO>                                   1.61
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 063
   <NAME> NUVEEN FLAGSHIP OHIO MUNICIPAL BOND CLASS C
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                           627368
<INVESTMENTS-AT-VALUE>                          681649
<RECEIVABLES>                                    13638
<ASSETS-OTHER>                                    2382
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  697669
<PAYABLE-FOR-SECURITIES>                          4000
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         4171
<TOTAL-LIABILITIES>                               8171
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        633173
<SHARES-COMMON-STOCK>                             4010
<SHARES-COMMON-PRIOR>                             3568
<ACCUMULATED-NII-CURRENT>                           36
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                           2007
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         54282
<NET-ASSETS>                                    689498
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                40991
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                    5748
<NET-INVESTMENT-INCOME>                          35243
<REALIZED-GAINS-CURRENT>                          4968
<APPREC-INCREASE-CURRENT>                        16619
<NET-CHANGE-FROM-OPS>                            56830
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                         2008
<DISTRIBUTIONS-OF-GAINS>                           178
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            995
<NUMBER-OF-SHARES-REDEEMED>                      (692)
<SHARES-REINVESTED>                                140
<NET-CHANGE-IN-ASSETS>                           23571
<ACCUMULATED-NII-PRIOR>                             60
<ACCUMULATED-GAINS-PRIOR>                         (88)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             3610
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   5748
<AVERAGE-NET-ASSETS>                             43281
<PER-SHARE-NAV-BEGIN>                            11.41
<PER-SHARE-NII>                                    .54
<PER-SHARE-GAIN-APPREC>                            .37
<PER-SHARE-DIVIDEND>                             (.54)
<PER-SHARE-DISTRIBUTIONS>                        (.05)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              11.73
<EXPENSE-RATIO>                                   1.40
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 064
   <NAME> NUVEEN FLAGSHIP OHIO MUNICIPAL BOND CLASS R
<MULTIPLIER> 1000
       
<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                             JUN-01-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                           627368
<INVESTMENTS-AT-VALUE>                          681649
<RECEIVABLES>                                    13638
<ASSETS-OTHER>                                    2382
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  697669
<PAYABLE-FOR-SECURITIES>                          4000
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         4171
<TOTAL-LIABILITIES>                               8171
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        633173
<SHARES-COMMON-STOCK>                            13824
<SHARES-COMMON-PRIOR>                            14045
<ACCUMULATED-NII-CURRENT>                           36
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                           2007
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                         54282
<NET-ASSETS>                                    689498
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                40991
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                    5748
<NET-INVESTMENT-INCOME>                          35243
<REALIZED-GAINS-CURRENT>                          4968
<APPREC-INCREASE-CURRENT>                        16619
<NET-CHANGE-FROM-OPS>                            56830
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                         8688
<DISTRIBUTIONS-OF-GAINS>                           682
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            730
<NUMBER-OF-SHARES-REDEEMED>                     (1520)
<SHARES-REINVESTED>                                570
<NET-CHANGE-IN-ASSETS>                           23571
<ACCUMULATED-NII-PRIOR>                             60
<ACCUMULATED-GAINS-PRIOR>                         (88)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             3610
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                   5748
<AVERAGE-NET-ASSETS>                            162144
<PER-SHARE-NAV-BEGIN>                            11.41
<PER-SHARE-NII>                                    .62
<PER-SHARE-GAIN-APPREC>                            .37
<PER-SHARE-DIVIDEND>                             (.62)
<PER-SHARE-DISTRIBUTIONS>                        (.05)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              11.73
<EXPENSE-RATIO>                                    .65
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 071
   <NAME> NUVEEN FLAGSHIP WISCONSIN MUNICIPAL BOND FUND CLASS A
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                              JUN-1-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                            27295
<INVESTMENTS-AT-VALUE>                           28446
<RECEIVABLES>                                      547
<ASSETS-OTHER>                                     345
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                   29338
<PAYABLE-FOR-SECURITIES>                          1556
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                          181
<TOTAL-LIABILITIES>                               1737
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                         26454
<SHARES-COMMON-STOCK>                             2365
<SHARES-COMMON-PRIOR>                             1429
<ACCUMULATED-NII-CURRENT>                            1
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                            (5)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                          1151
<NET-ASSETS>                                     27601
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                 1062
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                     117
<NET-INVESTMENT-INCOME>                            945
<REALIZED-GAINS-CURRENT>                             2
<APPREC-INCREASE-CURRENT>                          867
<NET-CHANGE-FROM-OPS>                             1814
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                          889
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                           1024
<NUMBER-OF-SHARES-REDEEMED>                        143
<SHARES-REINVESTED>                                 55
<NET-CHANGE-IN-ASSETS>                           13460
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                          (7)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              108
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    274
<AVERAGE-NET-ASSETS>                             18225
<PER-SHARE-NAV-BEGIN>                             9.80
<PER-SHARE-NII>                                    .49
<PER-SHARE-GAIN-APPREC>                            .49
<PER-SHARE-DIVIDEND>                             (.50)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.28
<EXPENSE-RATIO>                                    .55
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 072
   <NAME> NUVEEN FLAGSHIP WISCONSIN MUNICIPAL BOND FUND CLASS B
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                              JUN-1-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                            27295
<INVESTMENTS-AT-VALUE>                           28446
<RECEIVABLES>                                      547
<ASSETS-OTHER>                                     345
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                   29338
<PAYABLE-FOR-SECURITIES>                          1556
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                          181
<TOTAL-LIABILITIES>                               1737
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                         26454
<SHARES-COMMON-STOCK>                              182
<SHARES-COMMON-PRIOR>                                2
<ACCUMULATED-NII-CURRENT>                            1
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                            (5)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                          1151
<NET-ASSETS>                                     27601
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                 1062
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                     117
<NET-INVESTMENT-INCOME>                            945
<REALIZED-GAINS-CURRENT>                             2
<APPREC-INCREASE-CURRENT>                          867
<NET-CHANGE-FROM-OPS>                             1814
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                           31
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            185
<NUMBER-OF-SHARES-REDEEMED>                          7
<SHARES-REINVESTED>                                  2
<NET-CHANGE-IN-ASSETS>                           13460
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                          (7)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              108
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    274
<AVERAGE-NET-ASSETS>                               783
<PER-SHARE-NAV-BEGIN>                             9.82
<PER-SHARE-NII>                                    .42
<PER-SHARE-GAIN-APPREC>                            .49
<PER-SHARE-DIVIDEND>                              (.42)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.31
<EXPENSE-RATIO>                                   1.32
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 073
   <NAME> NUVEEN FLAGSHIP WISCONSIN MUNICIPAL BOND FUND CLASS C
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                              JUN-1-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                            27295
<INVESTMENTS-AT-VALUE>                           28446
<RECEIVABLES>                                      547
<ASSETS-OTHER>                                     345
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                   29338
<PAYABLE-FOR-SECURITIES>                          1556
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                          181
<TOTAL-LIABILITIES>                               1737
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                         26454
<SHARES-COMMON-STOCK>                              133
<SHARES-COMMON-PRIOR>                                8
<ACCUMULATED-NII-CURRENT>                            1
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                            (5)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                          1151
<NET-ASSETS>                                       133
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                 1062
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                     117
<NET-INVESTMENT-INCOME>                            945
<REALIZED-GAINS-CURRENT>                             2
<APPREC-INCREASE-CURRENT>                          867
<NET-CHANGE-FROM-OPS>                             1814
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                           22
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            123
<NUMBER-OF-SHARES-REDEEMED>                          0
<SHARES-REINVESTED>                                  2
<NET-CHANGE-IN-ASSETS>                           13460
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                          (7)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              108
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    274
<AVERAGE-NET-ASSETS>                               518
<PER-SHARE-NAV-BEGIN>                             9.82
<PER-SHARE-NII>                                    .44
<PER-SHARE-GAIN-APPREC>                            .49
<PER-SHARE-DIVIDEND>                              (.45)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.30
<EXPENSE-RATIO>                                   1.11
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<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> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-1998
<PERIOD-START>                              JUN-1-1997
<PERIOD-END>                               MAY-31-1998
<INVESTMENTS-AT-COST>                            27295
<INVESTMENTS-AT-VALUE>                           28446
<RECEIVABLES>                                      547
<ASSETS-OTHER>                                     345
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                   29338
<PAYABLE-FOR-SECURITIES>                          1556
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                          181
<TOTAL-LIABILITIES>                               1737
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                         26454
<SHARES-COMMON-STOCK>                                4
<SHARES-COMMON-PRIOR>                                4
<ACCUMULATED-NII-CURRENT>                            1
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                            (5)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                          1151
<NET-ASSETS>                                     27601
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                 1062
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                     117
<NET-INVESTMENT-INCOME>                            945
<REALIZED-GAINS-CURRENT>                             2
<APPREC-INCREASE-CURRENT>                          867
<NET-CHANGE-FROM-OPS>                             1814
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            2
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                              0
<NUMBER-OF-SHARES-REDEEMED>                          0
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                           13460
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                          (7)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              108
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    274
<AVERAGE-NET-ASSETS>                                81
<PER-SHARE-NAV-BEGIN>                             9.82
<PER-SHARE-NII>                                    .53
<PER-SHARE-GAIN-APPREC>                            .48
<PER-SHARE-DIVIDEND>                              (.52)
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.31
<EXPENSE-RATIO>                                    .32
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>


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