Here we have two entirely separate human endeavours—one involving men colliding with each other for entertainment, the other involving the efficient delivery of books and groceries to people who cannot be bothered to leave their homes—moving in perfect synchronisation across nineteen years as though choreographed by some vast, indifferent force. It turns out that as Jeff Bezos's company learned to squeeze ever more profit from the act of shipping things, NFL owners discovered they could squeeze ever more money from their players, and both lines climbed the chart like synchronized swimmers who have never met. The universe, one begins to suspect, is less interested in causation than in a really good pattern.
The explanation, of course, is probably just that both phenomena are riding the same economic wave—the long surge of American prosperity and inflation from 2005 onwards, interrupted only briefly by the 2008 crisis and the pandemic, which somehow didn't stop either trajectory for long. Average NFL salaries nearly tripled over this period, from around 1.4 million to over 4 million, while Amazon's revenue swelled from roughly 9 billion to nearly 470 billion, which is to say it grew in absolute terms by an amount larger than the entire economy of several nations. Both benefited from the same underlying currents: rising consumer spending, technological adoption, population growth, and the general sense that if something was working, you should probably pay for the privilege of it working even harder.
What we're really looking at here is not a causal relationship but evidence that two different industries have responded to the same inflationary pressures and expanding wealth in remarkably similar ways, which is either reassuring or deeply troubling depending on your mood. The correlation tells us nothing except that when money exists to be made—whether through muscle or algorithms—it tends to be made at similar rates, in similar economies, at similar times. This is how patterns breed, quietly and without malice.
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Want to learn more about why correlations like “Average NFL player salary” vs “Amazon annual revenue” don't prove causation? Read our guide to statistical thinking.