[ARTICLE] 6
[CIK] 0000319460
[NAME] SMITH BARNEY MANAGED MUNICIPALS FUND INC. CLASS Y
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   6-MOS
[FISCAL-YEAR-END]                          FEB-28-1999
[PERIOD-END]                               AUG-31-1998
[INVESTMENTS-AT-COST]                    3,639,151,668
[INVESTMENTS-AT-VALUE]                   3,812,035,708
[RECEIVABLES]                               76,572,178
[ASSETS-OTHER]                                       0
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                           3,888,607,886
[PAYABLE-FOR-SECURITIES]                    65,020,985
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                    4,032,750
[TOTAL-LIABILITIES]                         69,053,735
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                 3,640,951,481
[SHARES-COMMON-STOCK]                        1,502,532
[SHARES-COMMON-PRIOR]                          734,546
[ACCUMULATED-NII-CURRENT]                 (11,958,457)
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                     31,680,987
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                   158,880,140
[NET-ASSETS]                             3,819,554,151
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                          100,025,354
[OTHER-INCOME]                                       0
[EXPENSES-NET]                              16,033,373
[NET-INVESTMENT-INCOME]                     83,991,981
[REALIZED-GAINS-CURRENT]                     5,864,537
[APPREC-INCREASE-CURRENT]                    6,562,501
[NET-CHANGE-FROM-OPS]                       96,419,019
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                      522,532
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                     12,468,726
[NUMBER-OF-SHARES-REDEEMED]                    404,788
[SHARES-REINVESTED]                            162,737
[NET-CHANGE-IN-ASSETS]                      96,419,019
[ACCUMULATED-NII-PRIOR]                    (5,846,251)
[ACCUMULATED-GAINS-PRIOR]                   25,816,450
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        8,965,564
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                             16,033,373
[AVERAGE-NET-ASSETS]                        19,491,066
[PER-SHARE-NAV-BEGIN]                            16.19
[PER-SHARE-NII]                                  00.37
[PER-SHARE-GAIN-APPREC]                          00.07
[PER-SHARE-DIVIDEND]                             00.42
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              16.21
[EXPENSE-RATIO]                                  00.50
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>