[ARTICLE] 6
[CIK] 0000319460
[NAME] SMITH BARNEY MANAGED MUNICIPALS FUND INC. CLASS B
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          FEB-28-1998
[PERIOD-END]                               FEB-28-1998
[INVESTMENTS-AT-COST]                    3,428,941,597
[INVESTMENTS-AT-VALUE]                   3,580,228,017
[RECEIVABLES]                               96,990,172
[ASSETS-OTHER]                                       0
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                           3,677,218,189
[PAYABLE-FOR-SECURITIES]                    36,489,464
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   10,026,249
[TOTAL-LIABILITIES]                         46,515,713
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                 3,458,414,638
[SHARES-COMMON-STOCK]                       69,491,736
[SHARES-COMMON-PRIOR]                       58,019,654
[ACCUMULATED-NII-CURRENT]                            0
[OVERDISTRIBUTION-NII]                       5,846,251
[ACCUMULATED-NET-GAINS]                     25,816,450
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                   152,317,639
[NET-ASSETS]                             3,630,702,476
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                          186,050,816
[OTHER-INCOME]                                       0
[EXPENSES-NET]                              28,164,263
[NET-INVESTMENT-INCOME]                    157,886,553
[REALIZED-GAINS-CURRENT]                    94,713,402
[APPREC-INCREASE-CURRENT]                  127,793,799
[NET-CHANGE-FROM-OPS]                      380,393,754
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                   45,159,443
[DISTRIBUTIONS-OF-GAINS]                    31,010,398
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                     15,027,839
[NUMBER-OF-SHARES-REDEEMED]                  6,725,498
[SHARES-REINVESTED]                          3,169,741
[NET-CHANGE-IN-ASSETS]                     647,185,774
[ACCUMULATED-NII-PRIOR]                    (5,445,741)
[ACCUMULATED-GAINS-PRIOR]                   31,693,976
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                       15,747,056
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                             28,164,263
[AVERAGE-NET-ASSETS]                     1,008,903,516
[PER-SHARE-NAV-BEGIN]                            15.60
[PER-SHARE-NII]                                  00.72
[PER-SHARE-GAIN-APPREC]                          01.06
[PER-SHARE-DIVIDEND]                             00.71
[PER-SHARE-DISTRIBUTIONS]                        00.48
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              16.19
[EXPENSE-RATIO]                                  01.20
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>