Overall, Android Lead is Smaller U.S. Smartphone Market Share March-May 2011, % of US mobile phone subscribers Source: The Nielsen Company
When Nielsen measures market share according to all mobile phone subscribers, Android continues to be the most popular smartphone OS with 38% percent of smartphone consumers
2%
2% 2%
1%
owning Android devices, Apple iPhone that has shown the most growth recently.
9%
37%
Android OS Apple iPhone OS RIM Blackberry OS
21%
Windows Mobile Other Windows 7 Symbian OS Palm / Web OS
26%
13