iOS 26 has been available for nearly four months, yet reporting from Statcounter indicates the iPhone update is lagging significantly behind predecessors in adoption, with most users opting to stay on iOS 18.
iOS 26 adoption reportedly trails significantly behind prior releases
Statcounter has been tracking usage data for browsers, OS versions, and search engines for years.
And its latest reporting on iOS 26 adoption tells a very clear story: the vast majority of iPhone users are still running iOS 18.
Global iOS version data as of January 2026 shows the following iOS 18 usage among active iPhones:
iOS 18.7 : 33.8%
: 33.8% iOS 18.6 : 25.2%
: 25.2% iOS 18.5: 5.6%
Here are the percentages for iOS 26 usage:
iOS 26.1 : 10.6%
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