[ARTICLE] 6
[CIK] 0000721648
[NAME] SMITH BARNEY TELECOMMUNICATIONS TRUST
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                       10,705,231
[INVESTMENTS-AT-VALUE]                      96,475,012
[RECEIVABLES]                                   86,509
[ASSETS-OTHER]                                       0
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                              96,561,577
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                            0
[TOTAL-LIABILITIES]                            108,366
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                     7,156,007
[SHARES-COMMON-STOCK]                          547,397
[SHARES-COMMON-PRIOR]                                0
[ACCUMULATED-NII-CURRENT]                       20,906
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      3,505,970
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    85,769,781
[NET-ASSETS]                                96,453,211
[DIVIDEND-INCOME]                            1,915,758
[INTEREST-INCOME]                               10,806
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                 713,537
[NET-INVESTMENT-INCOME]                      1,213,027
[REALIZED-GAINS-CURRENT]                    10,018,475
[APPREC-INCREASE-CURRENT]                   24,594,298
[NET-CHANGE-FROM-OPS]                       35,825,798
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                    1,189,940
[DISTRIBUTIONS-OF-GAINS]                    11,691,275
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                              0
[NUMBER-OF-SHARES-REDEEMED]                     35,263
[SHARES-REINVESTED]                             36,069
[NET-CHANGE-IN-ASSETS]                      35,825,798
[ACCUMULATED-NII-PRIOR]                      1,577,412
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                          441,033
[INTEREST-EXPENSE]                             013,537
[GROSS-EXPENSE]                                713,537
[AVERAGE-NET-ASSETS]                            80,326
[PER-SHARE-NAV-BEGIN]                           134.06
[PER-SHARE-NII]                                  02.26
[PER-SHARE-GAIN-APPREC]                          64.18
[PER-SHARE-DIVIDEND]                             02.22
[PER-SHARE-DISTRIBUTIONS]                        22.08
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                             176.20
[EXPENSE-RATIO]                                  00.89
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>