AdMob’s data is pulled from visits to the 15,000+ sites and applications on their network. Data from every ad request, impression, and click on the network is stored and analysed. The monthly report provides a pretty reliable snapshot that provides insight into trends in the mobile ecosystem.
In the United States, the market share of the Android operating system from Google has gone up substantially from 27% in November 2009 to 42% in February 2010.
The iPhone operating system continues to be the most popular in the U.S. even in February 2010, but its lead has fallen from 55% to 44% during the same time period from Nov 2009 to Feb 2010.
Worldwide, the iPhone still holds 50% smartphone market share, while Android has only about 24% of the market. However, the Android operating system is doing well internationally, considering the fact that the Google mobile OS accounted for only 16% market share one year ago.
The top Android phones in the market are the Motorola Droid, HTC Dream, HTC Hero, HTC Magic and Motorola QLIC.
Overall, smartphone traffic has also gone up from 35% in February 2009 to 48% in February 2010. On the other hand, the market share of feature phones has gone down from 58% to 35% in that period.