Bivariate Choropleth maps compare two variables on a single map. Different colors and different styles of shading help the reader further understand the two variables on the map. This map shows and combines, by county, the percentage of population under the age of 18 and the percentage of rural population. The upper two maps are the two maps that are combined in the larger one, and the chart in the bottom right helps one to further understand the variables on the map and the combination of colors.
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