Apple started the year giving us an update on iOS 13 adoption, and now it's wrapping up 2020 with some info on iOS 14 usage.

Apple says that as of December 15, 2020, 81% of all iPhone models introduced in the last four years are running iOS 14. To compare, iOS 13 adoption was at 77% when Apple announced usage numbers at the start of the year.

When looking at every iPhone that's out on the market, iOS 14 is running on 72% of them. iOS 13 is on 18% of all iPhones, and 10% of iPhones are on iOS 12 or earlier.

The iOS 14 update brought several exciting new features for iPhone owners. Perhaps the biggest was home screen widgets, giving iPhone owners a major new way to customize their home screens. The release of iOS 14.2 likely helped to spur adoption of iOS 14, too, with its inclusion of more than 100 new emoji characters.

Apple gave us an update on the iPadOS usage numbers today, too. It says that iPadOS 14 is being used by 75% of all iPad tablets released in the past four years. iPadOS 13 is on 22% of those recent iPad models, while 3% of them are on an earlier iPadOS release.

Looking at every iPad model that's in use, 61% of them are on iPadOS 14 while 21% of them are on iPadOS 13. That leaves 18% of all iPad models on an earlier software version.