This document provides information about the various language editions of Wikipedia that exist. It begins by explaining that Wikipedia started in 2001 as an English-language encyclopedia, and soon non-English editions were created in German, Catalan, French, and Swedish. As of June 2021, there were 321 active Wikipedia editions across 310 languages. It then provides tables listing details of the various editions, including the language, script, user base size, and logo, as well as statistics on article distribution across editions.