US Mint coins producedRobocalls per month in the US
It is a curious fact, and one that says something either very profound or absolutely nothing about the human condition, that the number of coins the US Mint decided to stamp into existence moves in almost perfect inverse harmony with the number of automated voices calling to inform Americans of their extended car warranties. As one goes up, the other goes down, like some vast cosmic seesaw operated by entities that have never met and almost certainly have no idea the other exists. One might almost believe the Mint was deliberately reducing coin production in 2023 specifically to punish the nation for its robocall epidemic, which it was not.
What we are almost certainly witnessing here is the gravitational pull of two separate economic stories that happen to orbit in opposite directions during the same nine-year window. The decline in physical coin minting reflects a genuine shift in how Americans pay for things—fewer vending machines, more digital wallets, a slow strangulation of the penny's purpose—while robocalls surged on the back of cheap VoIP technology and the emergence of spoofing techniques that made harassment basically free. The confounding variable is almost certainly the acceleration of the cashless economy itself: as fewer transactions require coins, the infrastructure supporting them withered, and simultaneously, as legitimate telecom barriers crumbled, the spammers moved in like settlers into abandoned territory. By 2023, the Mint was producing roughly 7 billion fewer coins annually than in 2015, while Americans were receiving something close to 30 billion unwanted calls per month—a genuinely staggering number that, if printed as individual coins, would weigh more than Rhode Island.
The mind that first noticed this correlation presumably had a moment of genuine wonder before realizing that the universe was not speaking to them in code, merely that two separate human systems were both responding to the same slow transformation: the death of physical cash and the birth of a telecommunications landscape where nothing costs anything, not even politeness. We have become quite good at finding the face of God in static, less good at understanding why we find it comforting. What we should probably conclude is that correlation is merely the universe's way of reminding us how small and strange our datapoints are.
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Want to learn more about why correlations like “US Mint coins produced” vs “Robocalls per month in the US” don't prove causation? Read our guide to statistical thinking.