Worldwide Smartphone Sales
Apple iOS hit the market in 2007 and was quickly joined by Android phones near the end of 2008. In the Fourth quarter of 2008, iOS had 10.5% while Android had an initial share of only 1.5%. Since, 2008, Android has steadily outpaced Apple and in 2015, Q4 Android had 80.7% of the market while Apple had 17.7% of the worldwide smartphone market.
The above and below figures show worldwide smartphone sales by quarter. The data were taken from here.
Data represented as area.