US Population Trends Over The Last 220 Years [Cartogram]
http://www.ravi.io/us-population-trends-cartogram
Animation of U.S. states, 10 years steps
MapCarte 349/365: Density equalizing cartogram by Michael Gastner and Mark Newman, 2004
http://mapdesign.icaci.org/2014/12/mapcarte-349365-density-equalizing-cartogram-by-michael-gastner-and-mark-newman-2004/
Cartogram of the world’s languages
http://th-mayer.de/cartogram/#nrlangs
Based on Dougenik et al. by Shawn Allen