Shopping mall foot trafficDeaths from falling out of bed in the US
As mall foot traffic has declined, bed-fall deaths have risen, a negative correlation of -0.978 that connects the death of the shopping mall to the death of the elderly in their beds with the retail precision of a chart observing two American institutions that both peaked decades ago. The mall empties, the bed betrays, and both trends measure a nation that has moved indoors in a way that is simultaneously safer (fewer mall trips) and more dangerous (more bed falls).
Mall traffic declined as e-commerce captured retail. Bed-fall deaths rose with the aging population. One smoothly declines, the other smoothly rises, seventeen data points. The correlation is driven by opposite monotonic trends. The mall shoppers and the bed-fall victims overlap in the broadest sense: the aging boomers who once drove to malls now shop online from beds they occasionally fall out of.
Seventeen years of fewer mall trips and more bed falls is a portrait of American aging: the same generation that built the shopping mall culture is now aging out of it, staying home more, shopping online, and falling out of bed at increasing rates. The parking lot empties. The mattress shifts. The generation remains the variable.
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Want to learn more about why correlations like “Shopping mall foot traffic” vs “Deaths from falling out of bed in the US” don't prove causation? Read our guide to statistical thinking.