Standardized Choropleth maps show overall averaged data. So instead of showing the viewer total value, it shows information in a standardized unit, usually in area. Standardized choropleth maps usually are used to show population in form of people per square mile in a state. The map above shows the percentage of population in canada of the age 14 and younger. See how it uses the different shades of green for each state to show the percent of how many people are 14 and younger.
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