By extracting and analyzing historical OpenStreetMap data, we can see the story of contributions to the dataset over time. The number of edits, number of contributors, geographic concentration of contributions, and pace of change are all accessible for analysis and visualization.

Moscow

Moscow

3,613 contributors - 1,000,898 features - May 2008 to August 2014

Berlin

Berlin

6,011 contributors - 1,447,791 features - June 2007 to August 2014

Baghdad

Baghdad

154 contributors - 38,090 features - December 2006 to July 2014

London

London

6,700 contributors - 1,887,638 features - March 2006 to August 2014

Juba

Juba

188 contributors - 82,368 features - November 2009 to August 2014