What is a population pyramid?
Visualization by Martin De Wulf (@madewulf) — All code on github — Previous version of the site, with data from 2008.
Source: United Nations, Department of Economic and Social Affairs, Population Division. World
Prospects: The 2012 Revision. (Medium variant)
Keywords: demography, population pyramid, age pyramid, aging, retirement. — You might also like migrationsmap.net