Usage share of operating systems computer's installed base statistics, and actual (web) use needs not follow installed base. Also, Microsoft includes tablets (but StatCounter may also for Windows, while it wouldn't for e.g. Android). Video game store Steam publishes a monthly "Hardware & Software Survey", with the statistics below: By Q1 2018, mobile operating systems that can be found on smartphones, include Google's dominant Android (and variants) and Apple's iOS, with both combined at almost 100% market share. According to research by InsightPortal, there is a clear correlation between the GDP per capita of a country and that country's respective smartphone OS market share, Showing
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