Spurious

beautifully meaningless correlations

Typewriters sold

correlates with

US federal prison population

r = 0.95796% · 2015-2022
Typewriters soldUS federal prison population

Books for people who liked this kind of nonsense

As an Amazon Associate, getspurious.com earns from qualifying purchases. Learn more.

Want to learn more about why correlations like “Typewriters sold” vs “US federal prison population don't prove causation? Read our guide to statistical thinking.

Data Sources

Typewriters soldofficemuseum.com
US federal prison populationbop.gov
spuriouscorrelation ≠ causation

Share this correlation

PostReddit
Discover More Correlations

Explore thousands of beautifully meaningless correlations