In fact, the majority are relatively evenly split between three themes: people of interest, television, and websites.

In 2013, the arbitration committee closed 10 cases, 9 amendment requests, and 26 clarification requests.

On New Year's Day, an article by Tim Sampson published in The Daily Dot and republished shortly after on Mashable covered the currently ongoing medical disclaimer RfC.

Dariusz Jemielniak's book is the newest about Wikipedia, published in Poland in 2013 and with an English edition forthcoming in 2014.

This was the year in which one journalist described the flagship site, Wikipedia, as "wickedly seductive". It was the year Wikipedia's replacement value was estimated at $6.6bn, its market value at "tens of billions of dollars", and its consumer benefit "hundreds of billions of dollars". But it was also the year in which one commentator forecast the decline of Wikipedia—that the project is in trouble from its shrinking volunteer workforce, skewed coverage, "crushing bureaucracy" and 90 percent male community.

Current discussions on the English Wikipedia and around the Wikimedia movement include...

The year 2013 has come and gone, adding 50 new WikiProject Reports to our long list of projects we've had the privilege to meet. Last year saw the continuation of our Babel series, featuring WikiProjects from other languages of Wikipedia. We also expanded our selection of special reports, offering readers a growing collection of helpful tips and tools as they participate in WikiProjects.

Over the past year 1181 pieces of featured content were promoted. The most active of the featured content programs was featured picture candidates (FPC), which promoted an average of 46 pictures a month. This was followed by featured article candidates (FAC; 32.5 a month). Coming in third was featured list candidates (FLC; 18 a month).

2013 saw a lot of changes to MediaWiki software and Wikimedia infrastructure.