<ARTICLE> 6
<CIK> 0000797657
<NAME> BT INVESTMENT FUNDS

   <NUMBER> 9
   <NAME> INTERNATIONAL EQUITY FUNDS

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          OCT-31-2000
<PERIOD-END>                               APR-30-2000
<INVESTMENTS-AT-COST>                                0
<INVESTMENTS-AT-VALUE>                      2397730600
<RECEIVABLES>                                  3865165
<ASSETS-OTHER>                                   38314
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                              2401634079
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                   (19763857)
<TOTAL-LIABILITIES>                         (19763857)
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                    1741486515
<SHARES-COMMON-STOCK>                         81258393
<SHARES-COMMON-PRIOR>                         75553610
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                       (7374829)
<ACCUMULATED-NET-GAINS>                      156901301
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                     490857235
<NET-ASSETS>                                 281870222
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                    0
<OTHER-INCOME>                                 3186095
<EXPENSES-NET>                               (9577271)
<NET-INVESTMENT-INCOME>                      (6391176)
<REALIZED-GAINS-CURRENT>                     171987152
<APPREC-INCREASE-CURRENT>                    143611839
<NET-CHANGE-FROM-OPS>                        309207815
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                       61757847
<NUMBER-OF-SHARES-REDEEMED>                          0
<SHARES-REINVESTED>                         (56053064)
<NET-CHANGE-IN-ASSETS>                       309207815
<ACCUMULATED-NII-PRIOR>                       (973857)
<ACCUMULATED-GAINS-PRIOR>                   (15655895)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                                0
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                             (10381133)
<AVERAGE-NET-ASSETS>                        2396272639
<PER-SHARE-NAV-BEGIN>                            25.33
<PER-SHARE-NII>                                 (0.09)
<PER-SHARE-GAIN-APPREC>                           4.07
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              29.31
<EXPENSE-RATIO>                                   1.50