Nihon Shōbō Kyōkai is the association in Japan founded in 1948.
According to PR-model, nissho.or.jp is ranked 202,468th in multilingual Wikipedia, in particular this website is ranked 14,412th in Japanese Wikipedia.
The website is placed before jaguarssp.org and after turkeyforfriends.com in the BestRef global ranking of the most important sources of Wikipedia.