Wikimedia - Total editors per project
View all trend charts for Wikipedia project
View all trend charts for Wikibooks project
View all trend charts for Wikinews project
View all trend charts for Wiktionary project
View all trend charts for Wikiquotes project
View all trend charts for Wikisource project
View all trend charts for Wikivoyage project
View all trend charts for Wikiversity project
View all trend charts for Commons
View all trend charts for Wikidata
Wikivoyage: peak in editors on Wikivoyage in Jan 2013 marks the start of the project. Earlier history is from WikiTravel project, see WikiVoyage and WikiTravel.
Commons: peaks in editors are from photo contests (esp. Wiki Loves Monuments in Sep since 2010 and Wiki Loves Earth in summer since 2014