In an update to his two-party map, political scientist David Sparks shows the evolution of the two-party system across the country, since 1920. Red and blue. Keeps on moving.
Map shows two-party presidential shifts since 1920
Real Chart Rules to Follow
There are rules—usually for specific chart types meant to be read in a specific way—that you shouldn’t break. When they are, everyone loses. This is that small handful.
Reviving the Statistical Atlas of the United States with New Data
Due to budget cuts, there is no plan for an updated atlas. So I recreated the original 1870 Atlas using today’s publicly available data.
Who is Older and Younger than You
Here’s a chart to show you how long you have until you start to feel your age.