This is a Bivariate choropleth map of Russia since it is showing two variables of the same thing. This map is showing two differents themese but for the same idea. One map is showing the people per square km and the other map is showing percentage change. They both are using different colors in order to show the different ranges.http://www.geog.le.ac.uk/russianheartland/DemographicMaps/images/PopulationMaps/RaionMaps/7RaionPopDenPerCh8902.jpg
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