![]() ![]() For example, a map that illustrates the rates of population growth of all 50 American states (attributes) might be divided into five quantiles or sub-groups with 10 states each (binds with equal numbers of features). The quantile classification method divides the attributes into binds with equal numbers of features. Its matching color scheme, shapes, and fonts can be customized to best represent your data. You might come across neighboring areas that appear very similar or very different.Ī simple yet appealing classed choropleth map like this presents the percentage of adults with a bachelor’s degree or higher per state in equal intervals. Watch out for any significant regional patterns. Next, look for the regions with the largest value shades, then look for the lighter colors to see the low values. ![]() To read a choropleth map, you have to read the instructions first as well as the color key or legend to understand what the shading or the pattern means. If you are one of the few people who have little to no idea of how to read a choropleth map, let us walk you through. Return to Table of Contents How to read a choropleth mapĪ choropleth map is one of the most common thematic maps in use as it’s really easy to read and understand. The former merely states the information while the latter provides comparisons between the data to illustrate the differences in the cities’ densities. They’re commonly used to compare relative data and highlight their differences across geographic locations.įor instance, the population of each city (raw) versus the population of each city in relation to its size (standardized). This is because choropleth maps are comparative by nature. It’s important to note that raw data isn’t recommended for choropleth maps. To show variation or patterns across the displayed location, choropleth maps provide a way to visualize values over a geographical area. It displays enumeration units, or divided geographical areas or regions that are colored, shaded or patterned in relation to a data variable. How to create choropleth maps online for free with VenngageĪ choropleth map is a thematic map that is used to represent statistical data using the color mapping symbology technique.What are the different choropleth map data classification methods?.START CREATING FOR FREE Click to jump ahead: Let’s explore more about this solution and learn how you can create a choropleth map easily using Venngage’s Choropleth Map Templates. For organizations that need to report metrics like consumer demographics, sales performance, or population density across market segments, one of the biggest challenges is how to illustrate the data in a way that their intended audience will understand.Ĭhoropleth maps are among the most popular and effective ways of doing this. ![]()
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