72.5 million people in the U.S. owned SmartPhones during the three months ending in March 2011, up 15 percent from the preceding three-month period. Google Android grew 6.0 percentage points to 34.7 percent market share, while RIM ranked second with 27.1 percent. Apple grew 0.5 points to 25.5 percent share, followed by Microsoft (7.5 percent) and Palm (2.8 percent).
Source: “comScore Reports March 2011 U.S. Mobile Subscriber Market Share
Razor Analysis: Android OS continues growth while Apple iOS seems to have plateaued even with Verizon as a new iPhone carrier. Bottom line is that there are far more SmartPhones on the Android OS at low, mid and high price-points. Additionally, Android OS phones are available on all wireless carriers in the US.