Choropleth Map

http://enb-2011f-jp.blogspot.com/2011/09/choropleth-map.html

A choropleth map is a map that uses shading, coloring, or patterns to depict a values of a property or quantity in a given area. The map I chose shows a gauge of the world's happiness. Each country is colored according to how happy the citizens of that country are, with dark red, representing happy, to yellow, representing unhappy. It can be deduced that countries that are more developed are happier than the countries that are underdeveloped.