<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF WORLDCOM, INC. AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                             616
<SECURITIES>                                         0
<RECEIVABLES>                                    6,800
<ALLOWANCES>                                       977
<INVENTORY>                                          0
<CURRENT-ASSETS>                                10,188
<PP&E>                                          28,222
<DEPRECIATION>                                  (3,412)
<TOTAL-ASSETS>                                  87,199
<CURRENT-LIABILITIES>                           16,964
<BONDS>                                         13,877
<PREFERRED-MANDATORY>                              798
<PREFERRED>                                          0
<COMMON>                                            28
<OTHER-SE>                                      48,357
<TOTAL-LIABILITY-AND-EQUITY>                    87,199
<SALES>                                              0
<TOTAL-REVENUES>                                18,187
<CGS>                                            8,093
<TOTAL-COSTS>                                   14,895
<OTHER-EXPENSES>                                   (22)
<LOSS-PROVISION>                                   458
<INTEREST-EXPENSE>                                 520
<INCOME-PRETAX>                                  2,794
<INCOME-TAX>                                     1,201
<INCOME-CONTINUING>                              1,613
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,577
<EPS-BASIC>                                       0.56
<EPS-DILUTED>                                     0.54