Map of Wikipedia usage worldwide

Last week I did a short talk at TED on Wikipedia’s evolving impact. I’ve posted an expanded version of the slides (PDF) and want to use a few blog posts to elaborate on some of the points covered.

First point for this blog post, I was looking for a way to visualize some the great analysis Erik Zachte did recently on the geographic source of traffic to Wikipedia. A trip through Commons pointed me to a slick online mapping tool and Erik was incredibly helpful at providing me with the data I needed. Here’s the map we came up with, which represents average monthly Wikipedia page views per internet user during July, August and September of 2009:

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comScore January 2010 data

I updated the meta page on comScore data with January 2010 information. It’s been a while since I updated this analysis, mostly since Erik Zachte’s great Wikimedia Report Card covers most of the data far more elegantly.

I did include a first cut of the percentage of visitors to the largest language Wikipedias who actively edit, using Erik Zachte’s editor counts from WikiStats.  A couple observations:

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comScore Sept 2008 data

I updated the comScore data page with September 2008 information.  comScore has made the first wave of changes we’ve suggested to improve their categorization of all of our sites/URLs, and as a result we now have some early estimates of traffic by the different language versions of Wikipedia.

UPDATE: moved to archive page.

comScore data

One of the major online audience measurement companies, comScore, Inc., has generously donated access to its Media Metrix and World Metrix data sets to the Foundation. comScore has an opt-in panel of two million internet users around the globe and uses a range of statistical techniques to create an internally consistent portrait of the global internet audience.

One major area of work to do is reshaping the way comScore tracks our sites.  It currently includes URLs that aren’t associated with the Foundation, and also is organized in a fairly haphazard way.  This will take a few months to fix, but we should be able to drive much more useful info once the work is done.

I’ve started a page on to summarize and share the comScore data.