Joe Rossignol / MacRumors:

Apple says 74% of iPhones launched in the last four years and 66% of all iPhones are running iOS 26; 68% of iPhones were running iOS 18 as of Jan. 21, 2025  —  Apple has shared updated iOS 26 and iPadOS 26 adoption figures, revealing how many iPhones and iPads are running those software versions.

Joe Rossignol / MacRumors:

Apple says 74% of iPhones launched in the last four years and 66% of all iPhones are running iOS 26; 68% of iPhones were running iOS 18 as of Jan. 21, 2025  —  Apple has shared updated iOS 26 and iPadOS 26 adoption figures, revealing how many iPhones and iPads are running those software versions.

Source: TechMeme
Source Link: http://www.techmeme.com/260213/p17#a260213p17