Total student loan debt outstandingDeaths from falling out of bed in the US
As total US student loan debt has grown from merely concerning to genuinely terrifying, deaths from falling out of bed have increased with almost identical momentum, a correlation of 0.996 that captures two forms of American decline in a single chart. The debt accumulates, the bodies fall, and the data connects them with the precision of a nation that is both overlevered and overbalanced. Neither problem has a simple solution. Both have a very high r-value.
Total student loan debt grew from about 500 billion dollars in 2005 to over 1.75 trillion by 2021, on a trajectory so smooth it resembles a physics textbook illustration of constant acceleration. Bed-fall deaths rose as the population aged. Both metrics are perfectly monotonic upward curves: debt grows because loans accumulate faster than they are repaid, and bed falls grow because the elderly population expands. Two smooth upward lines will always produce a near-perfect correlation. The students who borrowed the debt and the seniors who fell out of bed are entirely different populations living in the same country at the same time.
A correlation of 0.996 between student debt and bed falls is a reminder that in America, everything that goes up goes up together—debt, deaths, and the temptation to connect them. The loans compound, the demographics shift, and the chart produces a number that means nothing except that two things grew simultaneously in the same country. The debt is crushing. The fall is sudden. The correlation is smooth.
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Want to learn more about why correlations like “Total student loan debt outstanding” vs “Deaths from falling out of bed in the US” don't prove causation? Read our guide to statistical thinking.