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<PAGE> PAGE 17
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<PAGE> PAGE 19
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<PAGE> PAGE 22
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<PAGE> PAGE 23
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<PAGE> PAGE 24
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<PAGE> PAGE 25
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<PAGE> PAGE 26
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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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<PAGE> PAGE 30
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<PAGE> PAGE 31
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<PAGE> PAGE 32
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<PAGE> PAGE 33
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<PAGE> PAGE 34
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<PAGE> PAGE 35
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<PAGE> PAGE 36
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<PAGE> PAGE 37
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<PAGE> PAGE 38
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<PAGE> PAGE 39
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<PAGE> PAGE 40
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<PAGE> PAGE 41
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<PAGE> PAGE 42
074 B001000 0
074 C001000 500
074 D001000 51206
074 E001000 0
074 F001000 0
074 G001000 0
074 H001000 0
074 I001000 0
074 J001000 30
074 K001000 7
074 L001000 987
074 M001000 6
074 N001000 52893
074 O001000 0
074 P001000 29
074 Q001000 0
074 R011000 0
074 R021000 0
074 R031000 0
074 R041000 202
074 S001000 0
074 T001000 52662
074 U011000 6680
074 U021000 43
074 V011000 7.83
074 V021000 7.83
074 W001000 0.0000
074 X001000 1339
074 Y001000 0
075 A001000 0
075 B001000 53028
076 001000 0.00
028 A011100 270
028 A021100 145
028 A031100 0
028 A041100 466
028 B011100 80
028 B021100 687
028 B031100 0
028 B041100 262
028 C011100 290
028 C021100 137
028 C031100 0
028 C041100 689
028 D011100 299
028 D021100 151
028 D031100 0
028 D041100 552
028 E011100 342
028 E021100 133
028 E031100 0
<PAGE> PAGE 43
028 E041100 315
028 F011100 422
028 F021100 129
028 F031100 0
028 F041100 564
028 G011100 1703
028 G021100 1382
028 G031100 0
028 G041100 2848
028 H001100 1269
029 001100 Y
030 A001100 57
030 B001100 4.75
030 C001100 0.00
031 A001100 6
031 B001100 0
032 001100 51
033 001100 0
034 001100 Y
035 001100 0
036 A001100 N
036 B001100 0
042 A001100 0
042 B001100 0
042 C001100 0
042 D001100 100
042 E001100 0
042 F001100 0
042 G001100 0
042 H001100 0
043 001100 35
044 001100 0
055 A001100 N
055 B001100 N
056 001100 Y
057 001100 N
062 A001100 Y
062 B001100 0.0
062 C001100 0.0
062 D001100 0.0
062 E001100 0.7
062 F001100 0.0
062 G001100 0.0
062 H001100 0.0
062 I001100 0.0
062 J001100 0.0
062 K001100 0.0
062 L001100 1.9
062 M001100 0.0
062 N001100 0.0
062 O001100 97.4
<PAGE> PAGE 44
062 P001100 0.0
062 Q001100 0.0
062 R001100 0.0
063 A001100 0
063 B001100 18.0
064 A001100 Y
064 B001100 N
070 A011100 Y
070 A021100 N
070 B011100 N
070 B021100 N
070 C011100 N
070 C021100 N
070 D011100 N
070 D021100 N
070 E011100 N
070 E021100 N
070 F011100 N
070 F021100 N
070 G011100 N
070 G021100 N
070 H011100 N
070 H021100 N
070 I011100 N
070 I021100 N
070 J011100 Y
070 J021100 N
070 K011100 N
070 K021100 N
070 L011100 N
070 L021100 N
070 M011100 N
070 M021100 N
070 N011100 N
070 N021100 N
070 O011100 N
070 O021100 N
070 P011100 Y
070 P021100 Y
070 Q011100 N
070 Q021100 N
070 R011100 N
070 R021100 N
071 A001100 2178
071 B001100 2845
071 C001100 56002
071 D001100 4
072 A001100 6
072 B001100 1582
072 C001100 0
072 D001100 0
<PAGE> PAGE 45
072 E001100 0
072 F001100 142
072 G001100 0
072 H001100 0
072 I001100 39
072 J001100 6
072 K001100 3
072 L001100 5
072 M001100 3
072 N001100 1
072 O001100 0
072 P001100 0
072 Q001100 0
072 R001100 15
072 S001100 4
072 T001100 35
072 U001100 0
072 V001100 0
072 W001100 2
072 X001100 255
072 Y001100 0
072 Z001100 1327
072AA001100 212
072BB001100 0
072CC011100 544
072CC021100 0
072DD011100 1294
072DD021100 33
072EE001100 722
073 A011100 0.1842
073 A021100 0.1484
073 B001100 0.1000
073 C001100 0.0000
074 A001100 172
074 B001100 0
074 C001100 400
074 D001100 55724
074 E001100 0
074 F001100 0
074 G001100 0
074 H001100 0
074 I001100 0
074 J001100 0
074 K001100 8
074 L001100 1104
074 M001100 6
074 N001100 57414
074 O001100 0
074 P001100 32
074 Q001100 0
074 R011100 0
<PAGE> PAGE 46
074 R021100 0
074 R031100 0
074 R041100 194
074 S001100 0
074 T001100 57188
074 U011100 7030
074 U021100 230
074 V011100 7.88
074 V021100 7.87
074 W001100 0.0000
074 X001100 1572
074 Y001100 0
075 A001100 0
075 B001100 57118
076 001100 0.00
028 A011300 249
028 A021300 136
028 A031300 0
028 A041300 3255
028 B011300 157
028 B021300 274
028 B031300 0
028 B041300 382
028 C011300 291
028 C021300 130
028 C031300 0
028 C041300 518
028 D011300 429
028 D021300 137
028 D031300 0
028 D041300 629
028 E011300 213
028 E021300 122
028 E031300 0
028 E041300 559
028 F011300 133
028 F021300 119
028 F031300 0
028 F041300 551
028 G011300 1472
028 G021300 918
028 G031300 0
028 G041300 5894
028 H001300 719
029 001300 Y
030 A001300 31
030 B001300 4.75
030 C001300 0.00
031 A001300 4
031 B001300 0
032 001300 27
<PAGE> PAGE 47
033 001300 0
034 001300 Y
035 001300 26
036 A001300 N
036 B001300 0
042 A001300 0
042 B001300 0
042 C001300 0
042 D001300 100
042 E001300 0
042 F001300 0
042 G001300 0
042 H001300 0
043 001300 36
044 001300 0
055 A001300 Y
055 B001300 N
056 001300 Y
057 001300 N
062 A001300 Y
062 B001300 0.0
062 C001300 0.0
062 D001300 0.0
062 E001300 0.6
062 F001300 0.0
062 G001300 0.0
062 H001300 0.0
062 I001300 0.0
062 J001300 0.0
062 K001300 0.0
062 L001300 1.8
062 M001300 0.0
062 N001300 0.0
062 O001300 97.6
062 P001300 0.0
062 Q001300 0.0
062 R001300 0.0
063 A001300 0
063 B001300 20.2
064 A001300 Y
064 B001300 N
070 A011300 Y
070 A021300 N
070 B011300 N
070 B021300 N
070 C011300 N
070 C021300 N
070 D011300 N
070 D021300 N
070 E011300 N
070 E021300 N
<PAGE> PAGE 48
070 F011300 N
070 F021300 N
070 G011300 N
070 G021300 N
070 H011300 N
070 H021300 N
070 I011300 N
070 I021300 N
070 J011300 Y
070 J021300 N
070 K011300 N
070 K021300 N
070 L011300 N
070 L021300 N
070 M011300 N
070 M021300 N
070 N011300 N
070 N021300 N
070 O011300 N
070 O021300 N
070 P011300 Y
070 P021300 Y
070 Q011300 N
070 Q021300 N
070 R011300 N
070 R021300 N
071 A001300 1442
071 B001300 4489
071 C001300 49937
071 D001300 3
072 A001300 6
072 B001300 1405
072 C001300 0
072 D001300 0
072 E001300 0
072 F001300 128
072 G001300 0
072 H001300 0
072 I001300 35
072 J001300 7
072 K001300 2
072 L001300 5
072 M001300 3
072 N001300 1
072 O001300 0
072 P001300 0
072 Q001300 0
072 R001300 15
072 S001300 3
072 T001300 36
072 U001300 0
<PAGE> PAGE 49
072 V001300 0
072 W001300 2
072 X001300 237
072 Y001300 0
072 Z001300 1168
072AA001300 365
072BB001300 0
072CC011300 439
072CC021300 0
072DD011300 1117
072DD021300 51
072EE001300 198
073 A011300 0.1888
073 A021300 0.1519
073 B001300 0.0320
073 C001300 0.0000
074 A001300 262
074 B001300 0
074 C001300 300
074 D001300 49165
074 E001300 0
074 F001300 0
074 G001300 0
074 H001300 0
074 I001300 0
074 J001300 0
074 K001300 6
074 L001300 811
074 M001300 6
074 N001300 50550
074 O001300 0
074 P001300 27
074 Q001300 0
074 R011300 0
074 R021300 0
074 R031300 0
074 R041300 168
074 S001300 0
074 T001300 50355
074 U011300 5781
074 U021300 350
074 V011300 8.21
074 V021300 8.23
074 W001300 0.0000
074 X001300 1095
074 Y001300 0
075 A001300 0
075 B001300 51079
076 001300 0.00
028 A011500 582
028 A021500 257
<PAGE> PAGE 50
028 A031500 0
028 A041500 1455
028 B011500 282
028 B021500 967
028 B031500 0
028 B041500 785
028 C011500 1376
028 C021500 243
028 C031500 0
028 C041500 1378
028 D011500 1632
028 D021500 265
028 D031500 0
028 D041500 543
028 E011500 1316
028 E021500 234
028 E031500 0
028 E041500 1170
028 F011500 3756
028 F021500 227
028 F031500 0
028 F041500 1494
028 G011500 8944
028 G021500 2193
028 G031500 0
028 G041500 6825
028 H001500 3288
029 001500 Y
030 A001500 123
030 B001500 4.75
030 C001500 0.00
031 A001500 15
031 B001500 0
032 001500 89
033 001500 19
034 001500 Y
035 001500 2
036 A001500 N
036 B001500 0
042 A001500 0
042 B001500 0
042 C001500 0
042 D001500 100
042 E001500 0
042 F001500 0
042 G001500 0
042 H001500 0
043 001500 68
044 001500 0
055 A001500 N
055 B001500 N
<PAGE> PAGE 51
056 001500 Y
057 001500 N
062 A001500 Y
062 B001500 0.0
062 C001500 0.0
062 D001500 0.0
062 E001500 0.2
062 F001500 0.0
062 G001500 0.0
062 H001500 0.0
062 I001500 0.0
062 J001500 0.0
062 K001500 0.0
062 L001500 -0.5
062 M001500 100.3
062 N001500 0.0
062 O001500 0.0
062 P001500 0.0
062 Q001500 0.0
062 R001500 0.0
063 A001500 0
063 B001500 19.5
064 A001500 Y
064 B001500 N
070 A011500 Y
070 A021500 N
070 B011500 N
070 B021500 N
070 C011500 N
070 C021500 N
070 D011500 N
070 D021500 N
070 E011500 N
070 E021500 N
070 F011500 N
070 F021500 N
070 G011500 N
070 G021500 N
070 H011500 N
070 H021500 N
070 I011500 N
070 I021500 N
070 J011500 Y
070 J021500 N
070 K011500 N
070 K021500 N
070 L011500 N
070 L021500 N
070 M011500 N
070 M021500 N
070 N011500 N
<PAGE> PAGE 52
070 N021500 N
070 O011500 N
070 O021500 N
070 P011500 Y
070 P021500 N
070 Q011500 N
070 Q021500 N
070 R011500 N
070 R021500 N
071 A001500 15793
071 B001500 9526
071 C001500 103219
071 D001500 9
072 A001500 6
072 B001500 2957
072 C001500 0
072 D001500 0
072 E001500 0
072 F001500 264
072 G001500 0
072 H001500 0
072 I001500 66
072 J001500 9
072 K001500 3
072 L001500 5
072 M001500 4
072 N001500 1
072 O001500 0
072 P001500 0
072 Q001500 0
072 R001500 15
072 S001500 3
072 T001500 68
072 U001500 0
072 V001500 0
072 W001500 3
072 X001500 441
072 Y001500 0
072 Z001500 2516
072AA001500 594
072BB001500 0
072CC011500 994
072CC021500 0
072DD011500 2440
072DD021500 76
072EE001500 940
073 A011500 0.1960
073 A021500 0.1588
073 B001500 0.0740
073 C001500 0.0000
074 A001500 1610
<PAGE> PAGE 53
074 B001500 0
074 C001500 200
074 D001500 109918
074 E001500 0
074 F001500 0
074 G001500 0
074 H001500 0
074 I001500 0
074 J001500 0
074 K001500 13
074 L001500 1924
074 M001500 7
074 N001500 113672
074 O001500 3421
074 P001500 59
074 Q001500 0
074 R011500 0
074 R021500 0
074 R031500 0
074 R041500 551
074 S001500 0
074 T001500 109641
074 U011500 12812
074 U021500 537
074 V011500 8.21
074 V021500 8.21
074 W001500 0.0000
074 X001500 2151
074 Y001500 0
075 A001500 0
075 B001500 106145
076 001500 0.00
SIGNATURE THOMAS G. ROSE
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>011
<NAME> SELIGMAN MUNICIPAL FUND SERIES-NATIONAL CL A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 94655
<INVESTMENTS-AT-VALUE> 100944
<RECEIVABLES> 1645
<ASSETS-OTHER> 104
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 102693
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 346
<TOTAL-LIABILITIES> 346
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 98256
<SHARES-COMMON-STOCK> 11846<F1>
<SHARES-COMMON-PRIOR> 12169<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (2199)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 6289
<NET-ASSETS> 96634<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 2770<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (397)<F1>
<NET-INVESTMENT-INCOME> 2373<F1>
<REALIZED-GAINS-CURRENT> 736
<APPREC-INCREASE-CURRENT> 1095
<NET-CHANGE-FROM-OPS> 4303
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (2373)<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 642<F1>
<NUMBER-OF-SHARES-REDEEMED> (1124)<F1>
<SHARES-REINVESTED> 159<F1>
<NET-CHANGE-IN-ASSETS> 2587
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (2935)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 245<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 397<F1>
<AVERAGE-NET-ASSETS> 98171<F1>
<PER-SHARE-NAV-BEGIN> 8.01<F1>
<PER-SHARE-NII> .20<F1>
<PER-SHARE-GAIN-APPREC> .15<F1>
<PER-SHARE-DIVIDEND> (.20)<F1>
<PER-SHARE-DISTRIBUTIONS> 0<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.16<F1>
<EXPENSE-RATIO> .81<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>014
<NAME> SELIGMAN MUNICIPAL FUND SERIES-NATIONAL CL D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 94655
<INVESTMENTS-AT-VALUE> 100944
<RECEIVABLES> 1645
<ASSETS-OTHER> 104
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 102693
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 346
<TOTAL-LIABILITIES> 346
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 98256
<SHARES-COMMON-STOCK> 700<F1>
<SHARES-COMMON-PRIOR> 284<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (2199)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 6289
<NET-ASSETS> 5713<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 142<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (43)<F1>
<NET-INVESTMENT-INCOME> 99<F1>
<REALIZED-GAINS-CURRENT> 736
<APPREC-INCREASE-CURRENT> 1095
<NET-CHANGE-FROM-OPS> 4303
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (99)<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1960<F1>
<NUMBER-OF-SHARES-REDEEMED> (1552)<F1>
<SHARES-REINVESTED> 8<F1>
<NET-CHANGE-IN-ASSETS> 2587
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (2935)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 12<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 43<F1>
<AVERAGE-NET-ASSETS> 5036<F1>
<PER-SHARE-NAV-BEGIN> 8.02<F1>
<PER-SHARE-NII> .16<F1>
<PER-SHARE-GAIN-APPREC> .14<F1>
<PER-SHARE-DIVIDEND> (.16)<F1>
<PER-SHARE-DISTRIBUTIONS> 0<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.16<F1>
<EXPENSE-RATIO> 1.72<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>091
<NAME> SELIGMAN MUNICIPAL FUND SERIES - COLORADO CL A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 42513
<INVESTMENTS-AT-VALUE> 45550
<RECEIVABLES> 869
<ASSETS-OTHER> 110
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 46529
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 204
<TOTAL-LIABILITIES> 204
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 44000
<SHARES-COMMON-STOCK> 6146<F1>
<SHARES-COMMON-PRIOR> 6707<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (712)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3037
<NET-ASSETS> 46110<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1398<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (217)<F1>
<NET-INVESTMENT-INCOME> 1181<F1>
<REALIZED-GAINS-CURRENT> 621
<APPREC-INCREASE-CURRENT> (90)
<NET-CHANGE-FROM-OPS> 1717
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1181)<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 283<F1>
<NUMBER-OF-SHARES-REDEEMED> (931)<F1>
<SHARES-REINVESTED> 87<F1>
<NET-CHANGE-IN-ASSETS> (3693)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (1333)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 120<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 217<F1>
<AVERAGE-NET-ASSETS> 48497<F1>
<PER-SHARE-NAV-BEGIN> 7.42<F1>
<PER-SHARE-NII> .18<F1>
<PER-SHARE-GAIN-APPREC> .08<F1>
<PER-SHARE-DIVIDEND> (.18)<F1>
<PER-SHARE-DISTRIBUTIONS> 0<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 7.50<F1>
<EXPENSE-RATIO> .90<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>094
<NAME> SELIGMAN MUNICIPAL FUND SERIES - COLORADO CL D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 42513
<INVESTMENTS-AT-VALUE> 45550
<RECEIVABLES> 869
<ASSETS-OTHER> 110
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 46529
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 204
<TOTAL-LIABILITIES> 204
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 44000
<SHARES-COMMON-STOCK> 29<F1>
<SHARES-COMMON-PRIOR> 32<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (712)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3037
<NET-ASSETS> 215<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 7<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (2)<F1>
<NET-INVESTMENT-INCOME> 5<F1>
<REALIZED-GAINS-CURRENT> 621
<APPREC-INCREASE-CURRENT> (90)
<NET-CHANGE-FROM-OPS> 1717
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (5)<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 6<F1>
<NUMBER-OF-SHARES-REDEEMED> (9)<F1>
<SHARES-REINVESTED> 0<F1>
<NET-CHANGE-IN-ASSETS> (3693)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (1333)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2<F1>
<AVERAGE-NET-ASSETS> 242<F1>
<PER-SHARE-NAV-BEGIN> 7.42<F1>
<PER-SHARE-NII> .15<F1>
<PER-SHARE-GAIN-APPREC> .08<F1>
<PER-SHARE-DIVIDEND> (.15)<F1>
<PER-SHARE-DISTRIBUTIONS> 0<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 7.50<F1>
<EXPENSE-RATIO> 1.80<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>131
<NAME> SELIGMAN MUNICIPAL FUND SERIES-GEORGIA CL A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 45910
<INVESTMENTS-AT-VALUE> 49465
<RECEIVABLES> 823
<ASSETS-OTHER> 262
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 50550
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 195
<TOTAL-LIABILITIES> 195
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 46524
<SHARES-COMMON-STOCK> 5781<F1>
<SHARES-COMMON-PRIOR> 6236<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 276
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3555
<NET-ASSETS> 47476<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1329<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (212)<F1>
<NET-INVESTMENT-INCOME> 1117<F1>
<REALIZED-GAINS-CURRENT> 365
<APPREC-INCREASE-CURRENT> 439
<NET-CHANGE-FROM-OPS> 1972
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1117)<F1>
<DISTRIBUTIONS-OF-GAINS> (187)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 117<F1>
<NUMBER-OF-SHARES-REDEEMED> (678)<F1>
<SHARES-REINVESTED> 106<F1>
<NET-CHANGE-IN-ASSETS> (2899)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 109
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 121<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 212<F1>
<AVERAGE-NET-ASSETS> 48407<F1>
<PER-SHARE-NAV-BEGIN> 8.12<F1>
<PER-SHARE-NII> .19<F1>
<PER-SHARE-GAIN-APPREC> .12<F1>
<PER-SHARE-DIVIDEND> (.19)<F1>
<PER-SHARE-DISTRIBUTIONS> (.03)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.21<F1>
<EXPENSE-RATIO> .88<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>134
<NAME> SELIGMAN MUNICIPAL FUND SERIES-GEORGIA CL D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 45910
<INVESTMENTS-AT-VALUE> 49465
<RECEIVABLES> 823
<ASSETS-OTHER> 262
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 50550
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 195
<TOTAL-LIABILITIES> 195
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 46524
<SHARES-COMMON-STOCK> 350<F1>
<SHARES-COMMON-PRIOR> 324<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 276
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3555
<NET-ASSETS> 2879<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 76<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (25)<F1>
<NET-INVESTMENT-INCOME> 51<F1>
<REALIZED-GAINS-CURRENT> 365
<APPREC-INCREASE-CURRENT> 439
<NET-CHANGE-FROM-OPS> 1972
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (51)<F1>
<DISTRIBUTIONS-OF-GAINS> (11)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 63<F1>
<NUMBER-OF-SHARES-REDEEMED> (44)<F1>
<SHARES-REINVESTED> 7<F1>
<NET-CHANGE-IN-ASSETS> (2899)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 109
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 7<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 25<F1>
<AVERAGE-NET-ASSETS> 2756<F1>
<PER-SHARE-NAV-BEGIN> 8.13<F1>
<PER-SHARE-NII> .15<F1>
<PER-SHARE-GAIN-APPREC> .13<F1>
<PER-SHARE-DIVIDEND> (.15)<F1>
<PER-SHARE-DISTRIBUTIONS> (.03)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.23<F1>
<EXPENSE-RATIO> 1.79<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>071
<NAME> SELIGMAN MUNICIPAL FUND SERIES-LOUISIANA CL A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 51748
<INVESTMENTS-AT-VALUE> 55672
<RECEIVABLES> 1013
<ASSETS-OTHER> 100
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 56785
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 220
<TOTAL-LIABILITIES> 220
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 52563
<SHARES-COMMON-STOCK> 6710<F1>
<SHARES-COMMON-PRIOR> 6790<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 78
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3924
<NET-ASSETS> 56068<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1626<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (243)<F1>
<NET-INVESTMENT-INCOME> 1383<F1>
<REALIZED-GAINS-CURRENT> 81
<APPREC-INCREASE-CURRENT> 560
<NET-CHANGE-FROM-OPS> 2034
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1383)<F1>
<DISTRIBUTIONS-OF-GAINS> (95)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 113<F1>
<NUMBER-OF-SHARES-REDEEMED> (283)<F1>
<SHARES-REINVESTED> 90<F1>
<NET-CHANGE-IN-ASSETS> 142
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 93
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 141<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 243<F1>
<AVERAGE-NET-ASSETS> 56426<F1>
<PER-SHARE-NAV-BEGIN> 8.28<F1>
<PER-SHARE-NII> .20<F1>
<PER-SHARE-GAIN-APPREC> .09<F1>
<PER-SHARE-DIVIDEND> (.20)<F1>
<PER-SHARE-DISTRIBUTIONS> (.01)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.36<F1>
<EXPENSE-RATIO> .86<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>074
<NAME> SELIGMAN MUNICIPAL FUND SERIES-LOUISIANA CL D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 51748
<INVESTMENTS-AT-VALUE> 55672
<RECEIVABLES> 1013
<ASSETS-OTHER> 100
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 56785
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 220
<TOTAL-LIABILITIES> 220
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 52563
<SHARES-COMMON-STOCK> 59<F1>
<SHARES-COMMON-PRIOR> 61<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 78
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3924
<NET-ASSETS> 497<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 15<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (5)<F1>
<NET-INVESTMENT-INCOME> 10<F1>
<REALIZED-GAINS-CURRENT> 81
<APPREC-INCREASE-CURRENT> 560
<NET-CHANGE-FROM-OPS> 2034
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (10)<F1>
<DISTRIBUTIONS-OF-GAINS> (1)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0<F1>
<NUMBER-OF-SHARES-REDEEMED> (3)<F1>
<SHARES-REINVESTED> 1<F1>
<NET-CHANGE-IN-ASSETS> 142
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 93
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5<F1>
<AVERAGE-NET-ASSETS> 517<F1>
<PER-SHARE-NAV-BEGIN> 8.27<F1>
<PER-SHARE-NII> .17<F1>
<PER-SHARE-GAIN-APPREC> .09<F1>
<PER-SHARE-DIVIDEND> (.17)<F1>
<PER-SHARE-DISTRIBUTIONS> (.01)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.35<F1>
<EXPENSE-RATIO> 1.76<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class D
only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>081
<NAME> SELIGMAN MUNICIPAL FUND SERIES-MARYLAND CL A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 50189
<INVESTMENTS-AT-VALUE> 53779
<RECEIVABLES> 949
<ASSETS-OTHER> 114
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 54842
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 229
<TOTAL-LIABILITIES> 229
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 50925
<SHARES-COMMON-STOCK> 6392<F1>
<SHARES-COMMON-PRIOR> 6452<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 97
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3590
<NET-ASSETS> 52330<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1515<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (229)<F1>
<NET-INVESTMENT-INCOME> 1286<F1>
<REALIZED-GAINS-CURRENT> 96
<APPREC-INCREASE-CURRENT> 509
<NET-CHANGE-FROM-OPS> 1934
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1286)<F1>
<DISTRIBUTIONS-OF-GAINS> (307)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 139<F1>
<NUMBER-OF-SHARES-REDEEMED> (319)<F1>
<SHARES-REINVESTED> 120<F1>
<NET-CHANGE-IN-ASSETS> 1
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 320
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 131<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 229<F1>
<AVERAGE-NET-ASSETS> 52405<F1>
<PER-SHARE-NAV-BEGIN> 8.14<F1>
<PER-SHARE-NII> .20<F1>
<PER-SHARE-GAIN-APPREC> .10<F1>
<PER-SHARE-DIVIDEND> (.20)<F1>
<PER-SHARE-DISTRIBUTIONS> (.05)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.19<F1>
<EXPENSE-RATIO> .88<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>084
<NAME> SELIGMAN MUNICIPAL FUND SERIES-MARYLAND CL D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 50189
<INVESTMENTS-AT-VALUE> 53779
<RECEIVABLES> 949
<ASSETS-OTHER> 114
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 54842
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 229
<TOTAL-LIABILITIES> 229
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 50925
<SHARES-COMMON-STOCK> 279<F1>
<SHARES-COMMON-PRIOR> 253<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 97
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3590
<NET-ASSETS> 2283<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 62<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (19)<F1>
<NET-INVESTMENT-INCOME> 43<F1>
<REALIZED-GAINS-CURRENT> 96<F1>
<APPREC-INCREASE-CURRENT> 509
<NET-CHANGE-FROM-OPS> 1934
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (43)<F1>
<DISTRIBUTIONS-OF-GAINS> (12)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 34<F1>
<NUMBER-OF-SHARES-REDEEMED> (14)<F1>
<SHARES-REINVESTED> 6<F1>
<NET-CHANGE-IN-ASSETS> 1
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 320
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 5<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 19<F1>
<AVERAGE-NET-ASSETS> 2132<F1>
<PER-SHARE-NAV-BEGIN> 8.15<F1>
<PER-SHARE-NII> .16<F1>
<PER-SHARE-GAIN-APPREC> .09<F1>
<PER-SHARE-DIVIDEND> (.16)<F1>
<PER-SHARE-DISTRIBUTIONS> (.05)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.19<F1>
<EXPENSE-RATIO> 1.78<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>021
<NAME> SELIGMAN MUNICIPAL FUND SERIES-MASSACHUSETTS CL A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 102278
<INVESTMENTS-AT-VALUE> 108434
<RECEIVABLES> 1501
<ASSETS-OTHER> 150
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 110085
<PAYABLE-FOR-SECURITIES> 4516
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 415
<TOTAL-LIABILITIES> 4931
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 98668
<SHARES-COMMON-STOCK> 12906<F1>
<SHARES-COMMON-PRIOR> 13766<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 330
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 6156
<NET-ASSETS> 103704<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 3093<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (438)<F1>
<NET-INVESTMENT-INCOME> 2655<F1>
<REALIZED-GAINS-CURRENT> 334
<APPREC-INCREASE-CURRENT> 1593
<NET-CHANGE-FROM-OPS> 4608
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (2655)<F1>
<DISTRIBUTIONS-OF-GAINS> (1289)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 838<F1>
<NUMBER-OF-SHARES-REDEEMED> (2018)<F1>
<SHARES-REINVESTED> 320<F1>
<NET-CHANGE-IN-ASSETS> (6102)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 1300
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 272<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 438<F1>
<AVERAGE-NET-ASSETS> 108890<F1>
<PER-SHARE-NAV-BEGIN> 7.99<F1>
<PER-SHARE-NII> .20<F1>
<PER-SHARE-GAIN-APPREC> .14<F1>
<PER-SHARE-DIVIDEND> (.20)<F1>
<PER-SHARE-DISTRIBUTIONS> (.09)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.04<F1>
<EXPENSE-RATIO> .80<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>024
<NAME> SELIGMAN MUNICIPAL FUND SERIES-MASSACHUSETTS CL D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> MAR-31-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 102278
<INVESTMENTS-AT-VALUE> 108434
<RECEIVABLES> 1501
<ASSETS-OTHER> 150
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 110085
<PAYABLE-FOR-SECURITIES> 4516
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 415
<TOTAL-LIABILITIES> 4931
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 98668
<SHARES-COMMON-STOCK> 181<F1>
<SHARES-COMMON-PRIOR> 156<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 330
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 6156
<NET-ASSETS> 1450<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 37<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (11)<F1>
<NET-INVESTMENT-INCOME> 26<F1>
<REALIZED-GAINS-CURRENT> 334
<APPREC-INCREASE-CURRENT> 1593
<NET-CHANGE-FROM-OPS> 4608
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (26)<F1>
<DISTRIBUTIONS-OF-GAINS> (15)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 25<F1>
<NUMBER-OF-SHARES-REDEEMED> (2)<F1>
<SHARES-REINVESTED> 2<F1>
<NET-CHANGE-IN-ASSETS> (6102)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 1300
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 11<F1>
<AVERAGE-NET-ASSETS> 1315<F1>
<PER-SHARE-NAV-BEGIN> 7.99<F1>
<PER-SHARE-NII> .16<F1>
<PER-SHARE-GAIN-APPREC> .13<F1>
<PER-SHARE-DIVIDEND> (.16)<F1>
<PER-SHARE-DISTRIBUTIONS> (.09)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.03<F1>
<EXPENSE-RATIO> 1.71<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>031
<NAME> SELIGMAN MUNICIPAL FUND SERIES-MICHIGAN CL A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 139610
<INVESTMENTS-AT-VALUE> 148361
<RECEIVABLES> 2669
<ASSETS-OTHER> 147
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 151177
<PAYABLE-FOR-SECURITIES> 4886
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 532
<TOTAL-LIABILITIES> 5418
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 135553
<SHARES-COMMON-STOCK> 16685<F1>
<SHARES-COMMON-PRIOR> 16680<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1455
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8751
<NET-ASSETS> 144117<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 4040<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (561)<F1>
<NET-INVESTMENT-INCOME> 3479<F1>
<REALIZED-GAINS-CURRENT> 1453
<APPREC-INCREASE-CURRENT> 516
<NET-CHANGE-FROM-OPS> 5482
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (3479)<F1>
<DISTRIBUTIONS-OF-GAINS> (1235)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 617<F1>
<NUMBER-OF-SHARES-REDEEMED> (964)<F1>
<SHARES-REINVESTED> 352<F1>
<NET-CHANGE-IN-ASSETS> 718
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 1253
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 360<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 561<F1>
<AVERAGE-NET-ASSETS> 144275<F1>
<PER-SHARE-NAV-BEGIN> 8.60<F1>
<PER-SHARE-NII> .21<F1>
<PER-SHARE-GAIN-APPREC> .11<F1>
<PER-SHARE-DIVIDEND> (.21)<F1>
<PER-SHARE-DISTRIBUTIONS> (.07)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.64<F1>
<EXPENSE-RATIO> .78<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>034
<NAME> SELIGMAN MUNICIPAL FUND SERIES-MICHIGAN CL D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 139610
<INVESTMENTS-AT-VALUE> 148361
<RECEIVABLES> 2669
<ASSETS-OTHER> 147
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 151177
<PAYABLE-FOR-SECURITIES> 4886
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 532
<TOTAL-LIABILITIES> 5418
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 135553
<SHARES-COMMON-STOCK> 190<F1>
<SHARES-COMMON-PRIOR> 215<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1455
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8751
<NET-ASSETS> 1642<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 49<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (15)<F1>
<NET-INVESTMENT-INCOME> 34<F1>
<REALIZED-GAINS-CURRENT> 1453
<APPREC-INCREASE-CURRENT> 516
<NET-CHANGE-FROM-OPS> 5482
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (34)<F1>
<DISTRIBUTIONS-OF-GAINS> (16)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 21<F1>
<NUMBER-OF-SHARES-REDEEMED> (51)<F1>
<SHARES-REINVESTED> 5<F1>
<NET-CHANGE-IN-ASSETS> 718
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 1253
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 4<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 34<F1>
<AVERAGE-NET-ASSETS> 1733<F1>
<PER-SHARE-NAV-BEGIN> 8.59<F1>
<PER-SHARE-NII> .17<F1>
<PER-SHARE-GAIN-APPREC> .11<F1>
<PER-SHARE-DIVIDEND> (.17)<F1>
<PER-SHARE-DISTRIBUTIONS> (.07)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.63<F1>
<EXPENSE-RATIO> 1.69<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>041
<NAME> SELIGMAN MUNICIPAL FUND SERIES-MINNESOTA SERIES CL A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 116708
<INVESTMENTS-AT-VALUE> 123508
<RECEIVABLES> 2018
<ASSETS-OTHER> 121
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 125647
<PAYABLE-FOR-SECURITIES> 1682
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 709
<TOTAL-LIABILITIES> 2391
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 116379
<SHARES-COMMON-STOCK> 15529<F1>
<SHARES-COMMON-PRIOR> 15619<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 77
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 6800
<NET-ASSETS> 121449<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 3488<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (497)<F1>
<NET-INVESTMENT-INCOME> 2991<F1>
<REALIZED-GAINS-CURRENT> 900
<APPREC-INCREASE-CURRENT> (271)
<NET-CHANGE-FROM-OPS> 3656
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (2991)<F1>
<DISTRIBUTIONS-OF-GAINS> (140)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 329<F1>
<NUMBER-OF-SHARES-REDEEMED> (689)<F1>
<SHARES-REINVESTED> 270<F1>
<NET-CHANGE-IN-ASSETS> (217)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (681)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 303<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 497<F1>
<AVERAGE-NET-ASSETS> 121560<F1>
<PER-SHARE-NAV-BEGIN> 7.79<F1>
<PER-SHARE-NII> .19<F1>
<PER-SHARE-GAIN-APPREC> .04<F1>
<PER-SHARE-DIVIDEND> (.19)<F1>
<PER-SHARE-DISTRIBUTIONS> (.01)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 7.82<F1>
<EXPENSE-RATIO> .82<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>044
<NAME> SELIGMAN MUNICIPAL FUND SERIES-MINNESOTA SERIES CL D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 116708
<INVESTMENTS-AT-VALUE> 123508
<RECEIVABLES> 2018
<ASSETS-OTHER> 121
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 125647
<PAYABLE-FOR-SECURITIES> 1682
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 709
<TOTAL-LIABILITIES> 2391
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 116379
<SHARES-COMMON-STOCK> 231<F1>
<SHARES-COMMON-PRIOR> 231<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 77
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 6800
<NET-ASSETS> 1807<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 51<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (15)<F1>
<NET-INVESTMENT-INCOME> 36<F1>
<REALIZED-GAINS-CURRENT> 900
<APPREC-INCREASE-CURRENT> (271)
<NET-CHANGE-FROM-OPS> 3656
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (36)<F1>
<DISTRIBUTIONS-OF-GAINS> (2)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 24<F1>
<NUMBER-OF-SHARES-REDEEMED> (27)<F1>
<SHARES-REINVESTED> 3<F1>
<NET-CHANGE-IN-ASSETS> (217)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (681)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 5<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 15<F1>
<AVERAGE-NET-ASSETS> 1792<F1>
<PER-SHARE-NAV-BEGIN> 7.79<F1>
<PER-SHARE-NII> .16<F1>
<PER-SHARE-GAIN-APPREC> .04<F1>
<PER-SHARE-DIVIDEND> (.16)<F1>
<PER-SHARE-DISTRIBUTIONS> (.01)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 7.82<F1>
<EXPENSE-RATIO> 1.73<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>101
<NAME> SELIGMAN MUNICIPAL FUND SERIES-MISSOURI CL A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 48980
<INVESTMENTS-AT-VALUE> 51706
<RECEIVABLES> 1030
<ASSETS-OTHER> 157
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 52893
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 231
<TOTAL-LIABILITIES> 231
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 49651
<SHARES-COMMON-STOCK> 6679<F1>
<SHARES-COMMON-PRIOR> 6749<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 285
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2726
<NET-ASSETS> 52323<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1461<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (232)<F1>
<NET-INVESTMENT-INCOME> 1229<F1>
<REALIZED-GAINS-CURRENT> 341
<APPREC-INCREASE-CURRENT> 206
<NET-CHANGE-FROM-OPS> 1784
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1229)<F1>
<DISTRIBUTIONS-OF-GAINS> (437)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 111<F1>
<NUMBER-OF-SHARES-REDEEMED> (291)<F1>
<SHARES-REINVESTED> 110<F1>
<NET-CHANGE-IN-ASSETS> (578)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 385
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 131<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 232<F1>
<AVERAGE-NET-ASSETS> 52547<F1>
<PER-SHARE-NAV-BEGIN> 7.82<F1>
<PER-SHARE-NII> .18<F1>
<PER-SHARE-GAIN-APPREC> .08<F1>
<PER-SHARE-DIVIDEND> (.18)<F1>
<PER-SHARE-DISTRIBUTIONS> (.07)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 7.83<F1>
<EXPENSE-RATIO> .89<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>104
<NAME> SELIGMAN MUNICIPAL FUND SERIES-MISSOURI CL D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 48980
<INVESTMENTS-AT-VALUE> 51706
<RECEIVABLES> 1030
<ASSETS-OTHER> 157
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 52893
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 231
<TOTAL-LIABILITIES> 231
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 49651
<SHARES-COMMON-STOCK> 43<F1>
<SHARES-COMMON-PRIOR> 61<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 285
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2726
<NET-ASSETS> 339<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 11<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (3)<F1>
<NET-INVESTMENT-INCOME> 8<F1>
<REALIZED-GAINS-CURRENT> 341
<APPREC-INCREASE-CURRENT> 206
<NET-CHANGE-FROM-OPS> 1784
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (8)<F1>
<DISTRIBUTIONS-OF-GAINS> (4)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1<F1>
<NUMBER-OF-SHARES-REDEEMED> (20)<F1>
<SHARES-REINVESTED> 1<F1>
<NET-CHANGE-IN-ASSETS> (578)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 385
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3<F1>
<AVERAGE-NET-ASSETS> 397<F1>
<PER-SHARE-NAV-BEGIN> 7.82<F1>
<PER-SHARE-NII> .15<F1>
<PER-SHARE-GAIN-APPREC> .08<F1>
<PER-SHARE-DIVIDEND> (.15)<F1>
<PER-SHARE-DISTRIBUTIONS> (.07)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 7.83<F1>
<EXPENSE-RATIO> 1.79<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>051
<NAME> SELIGMAN MUNICIPAL FUND SERIES-NEW YORK CL A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 80135
<INVESTMENTS-AT-VALUE> 85503
<RECEIVABLES> 1291
<ASSETS-OTHER> 145
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 86939
<PAYABLE-FOR-SECURITIES> 1964
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 319
<TOTAL-LIABILITIES> 2283
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 78219
<SHARES-COMMON-STOCK> 9953<F1>
<SHARES-COMMON-PRIOR> 10086<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1069
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 5368
<NET-ASSETS> 82965<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 2359<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (334)<F1>
<NET-INVESTMENT-INCOME> 2025<F1>
<REALIZED-GAINS-CURRENT> 1723
<APPREC-INCREASE-CURRENT> (302)
<NET-CHANGE-FROM-OPS> 3478
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (2025)<F1>
<DISTRIBUTIONS-OF-GAINS> (837)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 403<F1>
<NUMBER-OF-SHARES-REDEEMED> (759)<F1>
<SHARES-REINVESTED> 223<F1>
<NET-CHANGE-IN-ASSETS> (443)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 199
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 209<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 334<F1>
<AVERAGE-NET-ASSETS> 83954<F1>
<PER-SHARE-NAV-BEGIN> 8.28<F1>
<PER-SHARE-NII> .20<F1>
<PER-SHARE-GAIN-APPREC> .14<F1>
<PER-SHARE-DIVIDEND> (.20)<F1>
<PER-SHARE-DISTRIBUTIONS> (.08)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.34<F1>
<EXPENSE-RATIO> .80<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>054
<NAME> SELIGMAN MUNICIPAL FUND SERIES-NEW YORK CL D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 80135
<INVESTMENTS-AT-VALUE> 85503
<RECEIVABLES> 1291
<ASSETS-OTHER> 145
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 86939
<PAYABLE-FOR-SECURITIES> 1964
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 319
<TOTAL-LIABILITIES> 2283
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 78219
<SHARES-COMMON-STOCK> 203<F1>
<SHARES-COMMON-PRIOR> 190<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1069
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 5368
<NET-ASSETS> 1691<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 46<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (14)<F1>
<NET-INVESTMENT-INCOME> 32<F1>
<REALIZED-GAINS-CURRENT> 1723
<APPREC-INCREASE-CURRENT> (302)
<NET-CHANGE-FROM-OPS> 3478
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (32)<F1>
<DISTRIBUTIONS-OF-GAINS> (16)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 22<F1>
<NUMBER-OF-SHARES-REDEEMED> (13)<F1>
<SHARES-REINVESTED> 4<F1>
<NET-CHANGE-IN-ASSETS> (443)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 199
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 4<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 14<F1>
<AVERAGE-NET-ASSETS> 1631<F1>
<PER-SHARE-NAV-BEGIN> 8.29<F1>
<PER-SHARE-NII> .16<F1>
<PER-SHARE-GAIN-APPREC> .13<F1>
<PER-SHARE-DIVIDEND> (.16)<F1>
<PER-SHARE-DISTRIBUTIONS> (.08)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.34<F1>
<EXPENSE-RATIO> 1.71<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>061
<NAME> SELIGMAN MUNICIPAL FUND SERIES-OHIO CL A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 143197
<INVESTMENTS-AT-VALUE> 151670
<RECEIVABLES> 2753
<ASSETS-OTHER> 156
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 154579
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 600
<TOTAL-LIABILITIES> 600
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 143753
<SHARES-COMMON-STOCK> 18665<F1>
<SHARES-COMMON-PRIOR> 18862<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1753
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8473
<NET-ASSETS> 152730<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 4410<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (600)<F1>
<NET-INVESTMENT-INCOME> 3810<F1>
<REALIZED-GAINS-CURRENT> 2744
<APPREC-INCREASE-CURRENT> (768)
<NET-CHANGE-FROM-OPS> 5811
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (3810)<F1>
<DISTRIBUTIONS-OF-GAINS> (2018)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 290<F1>
<NUMBER-OF-SHARES-REDEEMED> (962)<F1>
<SHARES-REINVESTED> 475<F1>
<NET-CHANGE-IN-ASSETS> (1600)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 1042
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 383<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 600<F1>
<AVERAGE-NET-ASSETS> 153626<F1>
<PER-SHARE-NAV-BEGIN> 8.19<F1>
<PER-SHARE-NII> .20<F1>
<PER-SHARE-GAIN-APPREC> .10<F1)
<PER-SHARE-DIVIDEND> (.20)<F1>
<PER-SHARE-DISTRIBUTIONS> (.11)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.18<F1>
<EXPENSE-RATIO> .78<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A only. All other data are fund level.
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>064
<NAME> SELIGMAN MUNICIPAL FUND SERIES-OHIO CL D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 143197
<INVESTMENTS-AT-VALUE> 151670
<RECEIVABLES> 2753
<ASSETS-OTHER> 156
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 154579
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 600
<TOTAL-LIABILITIES> 600
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 143753
<SHARES-COMMON-STOCK> 152<F1>
<SHARES-COMMON-PRIOR> 141<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1753
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8473
<NET-ASSETS> 1249<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 35<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (10)<F1>
<NET-INVESTMENT-INCOME> 25<F1>
<REALIZED-GAINS-CURRENT> 2744
<APPREC-INCREASE-CURRENT> (768)
<NET-CHANGE-FROM-OPS> 5811
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (25)<F1>
<DISTRIBUTIONS-OF-GAINS> (15)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 27<F1>
<NUMBER-OF-SHARES-REDEEMED> (21)<F1>
<SHARES-REINVESTED> 5<F1>
<NET-CHANGE-IN-ASSETS> (1600)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 1042
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 10<F1>
<AVERAGE-NET-ASSETS> 1219<F1>
<PER-SHARE-NAV-BEGIN> 8.23<F1>
<PER-SHARE-NII> .17<F1>
<PER-SHARE-GAIN-APPREC> .10<F1)
<PER-SHARE-DIVIDEND> (.17)<F1>
<PER-SHARE-DISTRIBUTIONS> (.11)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.22<F1>
<EXPENSE-RATIO> 1.69<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>111
<NAME> SELIGMAN MUNICIPAL FUND SERIES-OREGON CL A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 52862
<INVESTMENTS-AT-VALUE> 56124
<RECEIVABLES> 1118
<ASSETS-OTHER> 172
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 57414
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 226
<TOTAL-LIABILITIES> 226
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 53718
<SHARES-COMMON-STOCK> 7030<F1>
<SHARES-COMMON-PRIOR> 7016<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 208
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3262
<NET-ASSETS> 55372<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1534<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (240)<F1>
<NET-INVESTMENT-INCOME> 1294<F1>
<REALIZED-GAINS-CURRENT> 212
<APPREC-INCREASE-CURRENT> 544
<NET-CHANGE-FROM-OPS> 2083
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1294)<F1>
<DISTRIBUTIONS-OF-GAINS> (700)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 197<F1>
<NUMBER-OF-SHARES-REDEEMED> (354)<F1>
<SHARES-REINVESTED> 171<F1>
<NET-CHANGE-IN-ASSETS> 271
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 718
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 138<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 240<F1>
<AVERAGE-NET-ASSETS> 55302<F1>
<PER-SHARE-NAV-BEGIN> 7.87<F1>
<PER-SHARE-NII> .18<F1>
<PER-SHARE-GAIN-APPREC> .11<F1>
<PER-SHARE-DIVIDEND> (.18)<F1>
<PER-SHARE-DISTRIBUTIONS> (.10)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 7.88<F1>
<EXPENSE-RATIO> .86<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>114
<NAME> SELIGMAN MUNICIPAL FUND SERIES-OREGON CL D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 52862
<INVESTMENTS-AT-VALUE> 56124
<RECEIVABLES> 1118
<ASSETS-OTHER> 172
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 57414
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 226
<TOTAL-LIABILITIES> 226
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 53718
<SHARES-COMMON-STOCK> 231<F1>
<SHARES-COMMON-PRIOR> 213<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 208
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3262
<NET-ASSETS> 1816<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 48<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (15)<F1>
<NET-INVESTMENT-INCOME> 33<F1>
<REALIZED-GAINS-CURRENT> 212
<APPREC-INCREASE-CURRENT> 544
<NET-CHANGE-FROM-OPS> 2083
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (33)<F1>
<DISTRIBUTIONS-OF-GAINS> (22)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 20<F1>
<NUMBER-OF-SHARES-REDEEMED> (8)<F1>
<SHARES-REINVESTED> 6<F1>
<NET-CHANGE-IN-ASSETS> 271
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 718
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 4<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 15<F1>
<AVERAGE-NET-ASSETS> 1738<F1>
<PER-SHARE-NAV-BEGIN> 7.87<F1>
<PER-SHARE-NII> .15<F1>
<PER-SHARE-GAIN-APPREC> .10<F1>
<PER-SHARE-DIVIDEND> (.15)<F1>
<PER-SHARE-DISTRIBUTIONS> (.10)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 7.87<F1>
<EXPENSE-RATIO> 1.77<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>151
<NAME> SELIGMAN MUNICIPAL FUND SERIES-SOUTH CAROLINA CL A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 103241
<INVESTMENTS-AT-VALUE> 110118
<RECEIVABLES> 1944
<ASSETS-OTHER> 1610
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 113672
<PAYABLE-FOR-SECURITIES> 3421
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 610
<TOTAL-LIABILITIES> 4031
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 102660
<SHARES-COMMON-STOCK> 12812<F1>
<SHARES-COMMON-PRIOR> 12375<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 104
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 6877
<NET-ASSETS> 105237<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 2847<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (407)<F1>
<NET-INVESTMENT-INCOME> 2440<F1>
<REALIZED-GAINS-CURRENT> 594
<APPREC-INCREASE-CURRENT> 994
<NET-CHANGE-FROM-OPS> 4104
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (2440)<F1>
<DISTRIBUTIONS-OF-GAINS> (905)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 947<F1>
<NUMBER-OF-SHARES-REDEEMED> (767)<F1>
<SHARES-REINVESTED> 257<F1>
<NET-CHANGE-IN-ASSETS> 4960
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 450
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 254<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 407<F1>
<AVERAGE-NET-ASSETS> 102031<F1>
<PER-SHARE-NAV-BEGIN> 8.16<F1>
<PER-SHARE-NII> .20<F1>
<PER-SHARE-GAIN-APPREC> .12<F1>
<PER-SHARE-DIVIDEND> (.20)<F1>
<PER-SHARE-DISTRIBUTIONS> (.07)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.21<F1>
<EXPENSE-RATIO> .80<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A only. All other data are fund level.
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER>154
<NAME> SELIGMAN MUNICIPAL FUND SERIES-SOUTH CAROLINA CL D
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> SEP-30-1998
<PERIOD-END> MAR-31-1998
<INVESTMENTS-AT-COST> 103241
<INVESTMENTS-AT-VALUE> 110118
<RECEIVABLES> 1944
<ASSETS-OTHER> 1610
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 113672
<PAYABLE-FOR-SECURITIES> 3421
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 610
<TOTAL-LIABILITIES> 4031
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 102660
<SHARES-COMMON-STOCK> 537<F1>
<SHARES-COMMON-PRIOR> 449<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 104
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 6877
<NET-ASSETS> 4404<F1>
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 110<F1>
<OTHER-INCOME> 0
<EXPENSES-NET> (34)<F1>
<NET-INVESTMENT-INCOME> 76<F1>
<REALIZED-GAINS-CURRENT> 594
<APPREC-INCREASE-CURRENT> 994
<NET-CHANGE-FROM-OPS> 4104
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (76)<F1>
<DISTRIBUTIONS-OF-GAINS> (35)<F1>
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 142<F1>
<NUMBER-OF-SHARES-REDEEMED> (66)<F1>
<SHARES-REINVESTED> 12<F1>
<NET-CHANGE-IN-ASSETS> 4960
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 450
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 10<F1>
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 34<F1>
<AVERAGE-NET-ASSETS> 3937<F1>
<PER-SHARE-NAV-BEGIN> 8.16<F1>
<PER-SHARE-NII> .16<F1>
<PER-SHARE-GAIN-APPREC> .12<F1>
<PER-SHARE-DIVIDEND> (.16)<F1>
<PER-SHARE-DISTRIBUTIONS> (.07)<F1>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 8.21<F1>
<EXPENSE-RATIO> 1.71<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class D only. All other data are fund level.
</FN>
</TABLE>
