US maple syrup productionDeaths from falling out of bed in the US
As American maple syrup production has increased, so have deaths from falling out of bed, a correlation that raises the disturbing question of whether syrup is making Americans' sheets too slippery or whether pancake breakfasts are inducing the kind of food comas that lead to restless, dangerous sleep. The coefficient is 0.921 across seventeen years, which is strong enough to make you reconsider your bedtime waffle. The syrup flows, the bodies roll, and the bed frame remains indifferent to both.
US maple syrup production grew from about 1.5 million gallons in 2005 to over 5 million by 2021, driven by Vermont and New York expanding operations and by climate patterns that have extended tapping seasons in some regions. Deaths from falling out of bed rose from about 400 to over 600 per year during the same period, driven almost entirely by the aging US population—falls of all kinds are the leading cause of injury death among people over 65, and bed falls are a subcategory that grows proportionally with that demographic. Both trends are measures of things that have been quietly increasing for decades: maple production because demand and capacity have grown, bed-fall deaths because more Americans are elderly. Neither is aware of the other.
Seventeen years of maple syrup and bed falls rising together is one of the more wholesomely absurd correlations in this collection. The trees are tapped, the elderly are vulnerable, and the connection between them is nothing more than two upward trends sharing a pancake-scented timeline. Pour carefully, sleep carefully, and check the data with equal caution.
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Want to learn more about why correlations like “US maple syrup production” vs “Deaths from falling out of bed in the US” don't prove causation? Read our guide to statistical thinking.