A thematic map
is a type of map
especially designed to show a particular theme connected with a specific geographic area
. These maps "can portray physical, social, political, cultural, economic, sociological, agricultural, or any other aspects of a city, state, region,nation , or continent".
A thematic map is a map that focuses on a specific theme or subject area, whereas in a general map the variety of phenomena—geological, geographical, political—regularly appear together. Norman Joseph William Thrower (2007). Maps & Civilization: Cartography in Culture and Society
Thematic maps also emphasize spatial variation of one or a small number of geographic distributions. These distributions may be physical phenomena such as climate
or human characteristics such as population density
issues. Barbara PetchenikBarbara Petchenik (1979). From Place to Space: The......