Thematic Map

http://www.infousagov.com/thematicmap.asp

A thematic map displays the spatial pattern of a social or physical phenomenon, such as population density, life expectancy or climate change. The thematic map above shows how may new businessess saw the day in 1999 (in 48 of the American states). We can see for example that in 1999, between 1001 and 7000 new businessess were created in the West Palm Beach (Florida) area.