Choropleth map
(重定向自Chloropleth)


![A choropleth map (top) and a dasymetric map (bottom) of the population of the San Francisco Bay Area in 2000.[8]](/uploads/202501/04/DasymapBG_Bay_Area_choropleth_and_dasymetric_maps3700.jpg)
A choropleth map (from Greek χώρο ("area/region") + πλήθος ("multitude")) is a thematic map in which areas are shaded or patterned in proportion to the measurement of the statistical variable being displayed on the map, such as population density or per-capita income.