According to Apple, the breakdown of iOS 17 adoption is as follows:
Of all iPhones released in the last four years:
Of all iPhones:
Based on Apple’s data, the adoption of iOS 17 has been slower as compared to iOS 16. Around this time last year, 81% of modern iPhones and 72% of all iPhones were running on iOS. So, iOS 17 certainly has some catching up to do.
Besides iOS 17, Apple shared iPadOS 17 numbers as well. 61% of iPads launched in the last four are running on iPadOS 17, while 29% have iPadOS 16, and 10% are still running an older version of iPadOS. If we talk about all active iPads, 53% have installed iPadOS 17, 29% have iPadOS 16, and 18% still have an earlier version of the iPadOS software.