Worldwide mobile penetration was 99% in Q2 2015 7.2 billion (forecast is 7.5 bilion at the end of 2015)
However, the actual number of subscribers is around 4.9 billion, since many have several subscriptions.
However, the actual number of subscribers is around 4.9 billion, since many have several subscriptions.
Number of smartphones reached 3 billion and growing
Data from Ericsson mobility report