It turns out that the amount of money Americans collectively produce per person correlates almost perfectly with how much we pay grown men to throw a ball around, which suggests either that the entire US economy is secretly just a scheme to fund professional football, or that we have discovered a cosmic principle: prosperity and athletic compensation are locked in some kind of monetary tango that neither quite leads. We noticed this by accident, which is worse.
What's probably happening here is that both metrics are being pulled along by the same invisible thread: inflation combined with genuine economic growth, which lifts all boats, including the boats of extremely tall athletes. Between 2005 and 2022, the US GDP per capita climbed from about $46,000 to roughly $69,000, while the average NFL salary went from $1.4 million to $2.7 million—which sounds dramatic until you realise they've both just been inflating at roughly the same rate, like two helium balloons released at the same moment. There's probably also something about television money and corporate valuations moving together, but the honest truth is that both numbers have simply decided to go up while the American economy coughed and sputtered and occasionally panicked.
The correlation is real, it is bewilderingly strong, and it means almost nothing except that we live in a world where macroeconomic trends and professional athlete compensation speak the same language of growth. This should not comfort us, but it does explain why both statistics keep appearing in the same news cycles. When two unrelated things move together this closely, they're usually just passengers on the same train, neither driving the other. The train, it seems, has left the station.
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Want to learn more about why correlations like “US GDP per capita” vs “Average NFL player salary” don't prove causation? Read our guide to statistical thinking.