Mobile operating system market share

Android might have the bigger share of devices, but iOS has the largest rollout.
1.8b devices on iOS 10 & 9
1.0b devices on Android 7 & 6

Data sources Net Market Share: https://www.netmarketshare.com/operating-system-market-share.aspx?qprid=9&qpcustomb=1 Apple: http://www.apple.com/apple-events/october-2016/ (27/10/2016) Android: https://developer.android.com/about/dashboards/index.html (21/12/2016) GSMA Intelligence: https://www.gsmaintelligence.com/ (21/12/2016)