"Diagraph01" lives in Tokyo, Japan. ja.wp's admin from 7 May 2006.
I'm taking the [[:ja:Wikipedia:毎月の多言語の統計|Multilingual monthly statistics (ja)]] and [[:ja:Wikipedia:毎月の多ウィキペディアが提供されている言語の統計 - 新しい記事総覧|Multilingual monthly statistics -List newof articlesWikipedias (ja)]] in Japanese wikipedia. Although, I think that it will concentrate on acquisition each language information and attachment "+interwiki" for the time being. Therefore, I can't write new contribution.
See refer: [[:ja:User:Diagraph01]]([[:ja:User talk:Diagraph01|Talk]]), please write in English or Japanese :).