[ARTICLE] 6
[CIK] 0000319460
[NAME] SMITH BARNEY MANAGED MUNICIPALS FUND INC. CLASS Y
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          FEB-28-1999
[PERIOD-END]                               FEB-28-1999
[INVESTMENTS-AT-COST]                    3,808,606,805
[INVESTMENTS-AT-VALUE]                   3,964,626,474
[RECEIVABLES]                               56,535,954
[ASSETS-OTHER]                                       0
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                           4,021,162,428
[PAYABLE-FOR-SECURITIES]                    82,609,166
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   61,473,358
[TOTAL-LIABILITIES]                        144,082,524
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                 3,757,008,345
[SHARES-COMMON-STOCK]                          728,830
[SHARES-COMMON-PRIOR]                          734,546
[ACCUMULATED-NII-CURRENT]                  (5,790,395)
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                   (30,157,715)
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                   156,019,669
[NET-ASSETS]                             3,877,079,904
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                          200,343,738
[OTHER-INCOME]                                       0
[EXPENSES-NET]                              32,286,009
[NET-INVESTMENT-INCOME]                    168,057,729
[REALIZED-GAINS-CURRENT]                  (28,827,675)
[APPREC-INCREASE-CURRENT]                    3,702,030
[NET-CHANGE-FROM-OPS]                      142,932,084
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                    1,317,707
[DISTRIBUTIONS-OF-GAINS]                       152,576
[DISTRIBUTIONS-OTHER]                           86,794
[NUMBER-OF-SHARES-SOLD]                    104,080,548 
[NUMBER-OF-SHARES-REDEEMED]                116,427,669
[SHARES-REINVESTED]                            623,288
[NET-CHANGE-IN-ASSETS]                     142,932,084
[ACCUMULATED-NII-PRIOR]                    (5,846,251)
[ACCUMULATED-GAINS-PRIOR]                   25,816,450
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                       18,012,592
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                             32,286,009
[AVERAGE-NET-ASSETS]                        21,299,529
[PER-SHARE-NAV-BEGIN]                            16.19
[PER-SHARE-NII]                                  00.73
[PER-SHARE-GAIN-APPREC]                         (0.04)
[PER-SHARE-DIVIDEND]                             00.76
[PER-SHARE-DISTRIBUTIONS]                        00.11
[RETURNS-OF-CAPITAL]                             00.06
[PER-SHARE-NAV-END]                              16.01
[EXPENSE-RATIO]                                  00.54
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>