[ARTICLE] 6
[CIK] 0000880583
[NAME] ZERO COUPON BOND FUND PORTFOLIO SERIES 2005
[SERIES]
   [NUMBER] 006
   [NAME] THE TRAVELERS SERIES TRUST
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1999
[PERIOD-END]                               DEC-31-1999
[INVESTMENTS-AT-COST]                        3,064,617
[INVESTMENTS-AT-VALUE]                       3,015,638
[RECEIVABLES]                                    1,850
[ASSETS-OTHER]                                     568
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                               3,018,056
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                       17,553
[TOTAL-LIABILITIES]                             17,553
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                     2,895,106
[SHARES-COMMON-STOCK]                          281,688
[SHARES-COMMON-PRIOR]                          281,491
[ACCUMULATED-NII-CURRENT]                      174,362
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                       (19,986)
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                      (48,979)
[NET-ASSETS]                                 3,000,503
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                              179,014
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                   4,652
[NET-INVESTMENT-INCOME]                        174,362
[REALIZED-GAINS-CURRENT]                      (12,291)
[APPREC-INCREASE-CURRENT]                    (335,915)
[NET-CHANGE-FROM-OPS]                        (173,844)
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                         25,360
[NUMBER-OF-SHARES-REDEEMED]                     25,163
[SHARES-REINVESTED]                                  0
[NET-CHANGE-IN-ASSETS]                       (169,904)
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                      (7,695)
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                            4,904
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                 59,804
[AVERAGE-NET-ASSETS]                         3,070,581
[PER-SHARE-NAV-BEGIN]                            11.26
[PER-SHARE-NII]                                   0.62
[PER-SHARE-GAIN-APPREC]                         (1.23)
[PER-SHARE-DIVIDEND]                              0.00
[PER-SHARE-DISTRIBUTIONS]                         0.00
[RETURNS-OF-CAPITAL]                              0.00
[PER-SHARE-NAV-END]                              10.65
[EXPENSE-RATIO]                                   0.15
</TABLE>