comScore Reports May 2011 U.S. Mobile Subscriber Market Share


76.8 million people in the U.S. owned smartphones during the three months ending in May 2011, up 11 percent from the preceding three month period. Google Android ranked as the top operating system with 38.1 percent of U.S. smartphone subscribers, up 5.1 percentage points. Apple strengthened its #2 position with 26.6 percent of the smartphone market, up 1.4 percentage points. RIM ranked third with 24.7 percent share, followed by Microsoft (5.8 percent) and Palm (2.4 percent).

Google’s share of US smartphone platforms increased 5.1 percentage points from 33.0% to 38.1%. Apple’s share gained 1.4 points from 25.2% to 26.6%. RIM, Microsoft, and Palm all declined in the three-month ending in May. More folks are buying smartphones and more of them are buying either Android smartphones or iPhones.

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