
Apple iOS version market share in the U.S. 2018-2024, by version
As of September 2024, the Apple iOS 17 operating system version had a share of nearly 80 percent among all mobile Apple devices in the United States, with the iOS 16 version occupying only nine percent of the Apple mobile market. Overall, this graph indicates that most iPhone users in the United States usually update their firmware version within one or two months of the release of a major iOS version.