Android, a platform which didn’t exist just 25 months ago, is now the most-used operating system on smartphones in the United States, having just surpassed BlackBerry.

According to a study released today by comScore, 31.2%, of U.S. smartphones were running Google’s Android OS in January, compared to the 30.4% of American smartphone owners who use BlackBerry devices. Android overtook Apple’s iOS, which runs on the iPhone, iPod Touch and iPad last November.

According to Google, 350,000 Android devices are activated each day. In fact, Android is growing 30 times faster than the US population. See this amazing video on Android’s rapid growth in Q1 of this year.