According to Apple's App Store distribution numbers, various versions of the company's iOS 8 software is now installed on 63 percent of devices, including the iPhone, iPod Touch, and iPad. Now, iOS 7 is installed on 33 percent of devices while prior versions of iOS is found on just 4 percent of devices. The numbers were published on Monday, December 8.
This is a bump up from Apple's data from a few weeks ago. On November 24th, iOS 8 was reported to be on 60 percent of devices while iOS 7 was installed on 35 percent of devices.