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Color Countries by GDP

Make a world map with countries colored by GDP.

code

Make a map of just South America:

how it works

This example was live-coded at the Wolfram Research booth at SXSW, March 9, 2014.

Evaluating CountryData without arguments returns a list of countries. Here is that list in abbreviated form:

This makes a map showing each of the countries in that list colored by GDP:

Specify the region to make a plot of a smaller area: