Choropleth map
Level 2 Category
Definition
Map indicate the values of specific items in a region using colors, usually of different intensities to represent different values.
Related Terms
Political map
Example Image
Reproduced from European Stroke Journal, 4(1), 13–28. https://doi.org/10.1177/2396987318786023. Licensed under CC BY-NC 4.0.
Writing Alternative Text
Describe the geographic areas being compared, the meaning of the color scale, and any notable spatial patterns or clusters.
Example Alt Text
"Color‑coded map of Europe showing the number of stroke units per million inhabitants. Countries in dark red have the fewest stroke care units, and countries in dark blue have the most, with gray indicating missing data. Eastern and southeastern Europe appear mostly in lower‑value red shades, while Scandinavian countries appear in higher‑value blue shades."