Active editors on commons.wikimedia, Commons at a glance December 2014: 
<ul><li>Active Editors (&gt;5 edits)	7,041</li>
<li>More Active Editors  (&gt;25 edits)	~3,000</li>
<li>Very Active Editors (&gt;100 edits)	1,361</li></ul>
Erik Zachte, stats.wikimedia.org
<a class="external free" href="https://stats.wikimedia.org/wikispecial/EN/ReportCardTopWikis.htm#lang_commons">https://stats.wikimedia.org/wikispecial/EN/ReportCardTopWikis.htm#lang_commons</a> <a class="external free" href="https://stats.wikimedia.org/wikispecial/EN/PlotEditorsCOMMONS.png">https://stats.wikimedia.org/wikispecial/EN/PlotEditorsCOMMONS.png</a>