Japanese Wikipedia

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Japanese Wikipedia

Screenshot Main page of the Japanese Wikipedia in August 2023
Type of site	Online encyclopedia
Available in	Japanese
Owner	Wikimedia Foundation
URL	ja.wikipedia.org
Commercial	No
Registration	Optional
Launched	11 May 2001; 23 years ago (2001-05-11)
Current status	Active

The Japanese Wikipedia (ウィキペディア日本語版, Wikipedia Nihongoban, lit. 'Japanese version of Wikipedia') is the Japanese edition of Wikipedia, a free, open-source online encyclopedia. Started on 11 May 2001,^[1] the edition attained the 200,000 article mark in April 2006 and the 500,000 article mark in June 2008. As of July 2024, it has over 1,423,000 articles with 12,708 active contributors, ranking fourth behind the English, French and German editions.^[2]

As of June 2020, it is the world's second most visited language Wikipedia after the English Wikipedia.^{[3][failed verification]}

The Japanese Wikipedia has been accused of historical revisionism by a number of scholars. Particular focus has been given to its pages that cover World War II, in particular the page on the Nanjing Massacre (南京事件), which has been described as lacking pictures and expressing skepticism in the first paragraph of the introduction.^{[4][5][6][7][undue weight? – discuss]}