A lot of people assume that either the iPhone OS or Google Android OS are the #1 smartphone operating systems used. Actually, they’re not! The number one spot belongs to….RIM! With their BlackBerry operating system. Android takes second place, which use to belong to Apple, who now takes third place instead. Here’s a chart to put things in a more visual perspective–

Obviously Android will stay on the rise and, in my opinion, overtake the number 1 spot easily. This is because Android is an operating system that isn’t specific to a certain brand of phone, unlike Apple, and therefore can expand easily.

Source: DailyFinance.com