iOS 11 is now installed on 81% of Apple's over a billion active iPhone, iPad and iPod touch devices in the wild, up from the 76% adoption rate reported on April 25. By contrast, Android Oreo versions powered less than six percent of active Android-driven smartphones and tablets that had been accessing Google's Play Store during a seven-day period ending on May 7, 2018.
81% of the more than one billion active Apple devices are now running iOS 11