WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000319460
<NAME> SMITH BARNEY MANAGED MUNICIPALS FUND INC. CLASS Y

<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>