Using this graphic and referring to it is encouraged, and please use it in presentations, web pages, newspapers, blogs and reports.
For any form of publication, please include the link to this page and give the cartographer/designer credit (in this case Hugo Ahlenius, UNEP/GRID-Arendal)
Goldewijk, Kees Klein. 2008. HYDE 3.0 population estimates “RE: Population data”. November 17, 2008 personal email (November 17 2008)