The Mobile Phone industry is one of the largest and most profitable industries on the planet.
The more the subscribers an operator has, the more likely they are to mint millions of dollars out of voice, text, and data services.
Here is a list of the Ten Largest Mobile Phone Service Providers on Earth
China Mobile [China] – 775.6 Million
Vodafone [UK] – 419.4 Million
China Unicom [China] – 285.7 Million
Airtel [India] – 275.2 Million
América Móvil [Mexico] – 269.9 Million
Telefónica [Spain] – 254.7 Million
Axiata [Malaysia] – 239.7 Million
Orange [France] – 231.5 Million
VimpelCom Ltd [Russia] – 209 Million
China Telecom [China] – 185 Million