Deaths from falling out of bed in the USCiti Bike annual trips (NYC)
As New Yorkers embraced Citi Bike between 2013 and 2021, Americans elsewhere were falling out of bed and dying, at a rate that tracked Citi Bike ridership almost exactly. The 0.9718 correlation invites the interpretation that every new Citi Bike trip displaces some necessary bedtime caution from the national psyche.
Citi Bike annual trips grew from roughly 6 million in 2013 to over 27 million by 2021. U.S. deaths from falling out of bed track the aging of the population. Both trends simply grew during the same nine-year window.
New York got on its bikes while the rest of America got older and less stable on its feet. These two facts are related only in the sense that everything happening between 2013 and 2021 is technically simultaneous.
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Want to learn more about why correlations like “Deaths from falling out of bed in the US” vs “Citi Bike annual trips (NYC)” don't prove causation? Read our guide to statistical thinking.
