2011 US Telecom Market Shares

Click here for Wireline Local Market Concentration

Click here for Mobile Wireless Market Concentration

Click here for Overall National Market Concentration, for All Platforms

Click here for Local Market Concentration, for Local Markets

Click here for Long Distance (including International) Market Concentration

Click here for Private Line Market Concentration

Click here for Broadband Internet Providers Market Concentration

Click here for International Service Market Concentration

Click here for Paging Market Concentration

Click here for Telecom Services Revenues

Click here for Pooled Telecommunications Services by Revenue

Click here for Pooled Telecommunications Services by Market Share

CITI also is releasing data gathered from its International Media Concentration Project, which replicates the same methodology used for its American study.  The current data contains information from about 20 countries

Click here for International Wireline Market Concentrations

Click here for a graph depicting Wireline Market Concentrations

Click here for International Wireless Market Concentrations

Click here for a graph depicting Wireless Market Concentrations