One Percent of Wikipedia Editors Control Most of the Content
A new study about Wikipedia’s editors and their behavior has revealed that the once assumed democratic process of content creation on Wikipedia is actually delegated to about 1% of editors, who create the majority of the content on the website.
About 1,300 people are creating over three quarters of the content that is on Wikipedia. There is a high turnover rate of editors who become active and then stop editing after a couple of weeks and those who continue are what we see in this 1% group.
You can read the original piece by Nick Farrell at Fudzilla.com