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Most bad maps are the same bad map

,   and  Richard Careaga
1 min read
Seen at https://www.voronoiapp.com/economy/-Just-Five-Countries-Are-Responsible-for-Half-of-Africas-GDP-2614

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Wow, would you look at that. All that economic output from just these five countries that don't even occupy the most area!

This is a classic. Economic activity, like deaths and a host of other social and political aspects, is roughly proportional to population. Showing the raw numbers is very often not much more informative than just showing the population.

Same treatment based on population provided to Google's NotebookLM

Combined, the two maps begin to tell us something. Algeria and South Africa punch above their weight economically while the Democratic Republic of the Congo and Tanzania lag.

Better yet would be showing GDP per capita.

You can see the same dynamic in play in the US in Figures 19 and 20 of JuliaMapping: A Practical Guide.

From JuliaMapping: A Practical Guide
From JuliaMapping: A Practical Guide

Pro tip: When doing a map, sketch out the same geography with the same layout and presentation using population data in place of what you are showing and compare the two. If it's hard to tell the difference you need to re-think what it is about your data that differs, geographically, from populatation.

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