• U.K. macOS version market share 2021

In 2021, the Apple desktop operating system version of macOS Catalina had the largest market share with over 73 percent amongst all computer Apple devices in the United Kingdom, up from 58.83 percent in 2020. By contrast, the macOS High Sierra version occupied around nine percent of the Apple desktop market in the UK in 2021.

MacOS market share in the United Kingdom (UK) from 2017 to 2021, by version

Characteristic	macOS Catalina	macOS High Sierra	macOS Mojave	macOS Sierra	OS X El Capitan	OS X 10.10	OS X Mavericks	mac OS X Snow Leopard	mac OS X Lion	macOS Big Sur 11.2	OS X Mountain Lion	macOS Big Sur 11.1	macOS Big Sur 11.0	mac OS X Leopard	macOS Big Sur 10.16	mac OS X Tiger	Other
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Release date

January 2022

More information

Region

United Kingdom

Survey time period

2017 to 2021

Supplementary notes

The source adds the following information: "Apple are incorrectly reporting Big Sur 11 as Catalin 10.15. [....] We can't correctly show usage for Big Sur 11 or Catalina 10.15 until Apple fixes this."
The date of release is the date of access.