On Thu, May 17, 2012 at 1:47 AM, Ian Woollard <ian.woollard(a)gmail.com>wrote;wrote: See http://stats.wikimedia.org/EN/TablesWikipediaEN.htm Editors making 100+ edits a month in English Wikipedia were at 5,000+ in early 2007, and are now down to less than 3,500. German, French, Spanish, Portuguese and Polish core editor numbers are stable, on the other hand: http://stats.wikimedia.org/EN/TablesWikipediaDE.htm http://stats.wikimedia.org/EN/TablesWikipediaFR.htm http://stats.wikimedia.org/EN/TablesWikipediaES.htm http://stats.wikimedia.org/EN/TablesWikipediaPT.htm http://stats.wikimedia.org/EN/TablesWikipediaPL.htm Russian is booming: http://stats.wikimedia.org/EN/TablesWikipediaRU.htm Japanese (another project with a strong popular culture bias) is declining too: http://stats.wikimedia.org/EN/TablesWikipediaJA.htm Another interesting variable is editor retention, measured as the percentage of all Wikipedians who still make 100 or more edits a month: 0.45% in English WP 0.59% in Japanese WP 0.73% in Spanish WP 0.90% in German WP* 0.99% in Polish WP* 1.01% in French WP 1.49% in Russian WP* * The German, Polish and Russian Wikipedias have flagged revisions. (I am currently looking at this data to see if there is a correlation between flagged revisions and editor retention.) Andreas