The pie charts below were produced in January by the National Student Clearinghouse, a nonprofit organization that provides data reporting services to colleges. In conjunction with these services, it ...

They are popular because they are popular, which is a circular argument that suits a pie chart. But there are some serious downsides to using the humble pie. Here’s why you should (almost) never ...

The Graph Makeover Contest makes it clear that there are multiple ways to plot a data set with no one way being best. This post shows alternatives to a pair of donut charts.

Arrow charts and slope charts are alternatives to multiple pie charts when the data consist of the values or the percentage breakdown of several categories for two time periods.

EmbedVideo(1266, 482, 304); Editor's Note: We've been looking at inequality quite a bit lately. In the piece 'Land of the Free, Home of the Poor,' we used a trio of pie charts broken down into ...