Usage share of operating systems Usage share of operating systems The usage share of operating systems is the percentage of computing devices that run each operating system at any particular time. All such figures are necessarily estimates because data about operating system share is difficult to obtain; there are few reliable primary sources—and no agreed methodologies for its collection. In the personal computing platform area of smartphones and watches two systems dominate: Google's Android with over 2.7 billion users and Apple's iOS and macOS combined with over 1.3 billion users. In the area of desktop and laptop computers, Microsoft Windows is generally above 75% in
Market share of personal computer vendors Market share of personal computer vendors The annual worldwide market share of personal computer vendors includes desktop computers, laptop computers and netbooks, but excludes mobile devices, such as tablet computers that do not fall under the category of 2-in-1 PCs. Sales volume worldwide grew rapidly in the late 1990s but declined during the early 2000s recession. Sales increased again for the rest of the decade though more slowly in the late 2000s recession. After a substantial growth into 2010, sales volume has remained fairly stable, until a substantial dip starting in 2013. (*) Figures include desktop PCs, mobile PCs, and