Data Viz Done Right

December 1, 2020

How to Create an Evenly Distributed Butterfly Chart

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A Butterfly Chart is (typically) a bar chart where two sets of data series are displayed side by side. The purpose is to allow you to compare the two data series across a dimension. 

Here is an example of a butterfly chart I created for Makeover Monday.


Notice how I have zero at the center and the scales are the same on either side of zero. This helps show how the chart "leans" to one side or the other.

The comparisons would be more difficult to see if the left and right hand sides of the butterfly did not have the same axis scale. In this video, I show you how two examples for creating a butterfly chart.

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