<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY INFORMATION EXTRACTED FROM THE BALANCE SHEET OF
PRIMUS TELECOMMUNICATIONS GROUP, INCORPORATED AT JUNE 30, 1998 AND THE INCOME
STATEMENT FOR THE SIX MONTHS ENDED JUNE 30, 1998 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                         265,047 
<SECURITIES>                                         0 
<RECEIVABLES>                                  108,499 
<ALLOWANCES>                                    11,008 
<INVENTORY>                                          0 
<CURRENT-ASSETS>                               338,867 
<PP&E>                                         123,629 
<DEPRECIATION>                                  11,201 
<TOTAL-ASSETS>                                 714,625 
<CURRENT-LIABILITIES>                          175,119 
<BONDS>                                        385,204 
<PREFERRED-MANDATORY>                                0 
<PREFERRED>                                          0 
<COMMON>                                           279 
<OTHER-SE>                                     153,495  
<TOTAL-LIABILITY-AND-EQUITY>                   714,625 
<SALES>                                              0 
<TOTAL-REVENUES>                               179,526 
<CGS>                                                0 
<TOTAL-COSTS>                                  152,848       
<OTHER-EXPENSES>                                53,788       
<LOSS-PROVISION>                                 4,212       
<INTEREST-EXPENSE>                              16,780       
<INCOME-PRETAX>                                (27,110)      
<INCOME-TAX>                                         0       
<INCOME-CONTINUING>                            (27,110)      
<DISCONTINUED>                                       0       
<EXTRAORDINARY>                                      0       
<CHANGES>                                            0       
<NET-INCOME>                                   (27,110)      
<EPS-PRIMARY>                                    (1.30)      
<EPS-DILUTED>                                    (1.30)