This report uses data on services and individual carriers to trace the development of the international communications industry. Most of the tables cover years going back to 1980. A few of the tables, however, have historical data back to 1950.
Data through 2003. Released 9/05, by the International Bureau. PDF or ZIP
Data through 2002. Released 7/04. PDF or ZIP
Data through 1999. Released 4/01. PDF or ZIP