US national debtKim Kardashian Instagram followers
The United States national debt and Kim Kardashian's Instagram following have moved in almost perfect tandem over the past eight years, which suggests that either the American economy is being piloted by someone who checks their phone every seventeen seconds, or we have simply arrived at the point where national solvency and celebrity accumulation have become indistinguishable phenomena. The correlation sits at 0.958, which is the kind of number that makes statisticians weep into their coffee. One of these things is supposed to be serious.
What we're probably watching here is two separate expressions of the same underlying force: the internet getting better at scale, and the world getting richer in ways that manifest almost everywhere simultaneously. Between 2014 and 2021, smartphone adoption kept climbing, social media infrastructure kept improving, and the global economy kept expanding (with a brief, theatrical pause in 2020) in ways that benefited both celebrity platforms and government borrowing capacity alike. If you think of it this way, both trends are just riding the same wave of digital adoption and economic momentum—the national debt climbed from roughly 18 trillion to 28 trillion dollars in that window, while Ms. Kardashian's followers went from 26 million to over 300 million, and neither had much to do with the other, even as they danced in lockstep.
This is what happens when you have eight data points and a cosmos indifferent to your taxonomies: patterns emerge not because the universe is trying to tell you something, but because everything is subtly connected to everything else when you squint. The lesson, if there is one, is that correlation is less a window into causation and more a hall of mirrors in which we stand amazed at our own reflection. We see what we're looking for.
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Want to learn more about why correlations like “US national debt” vs “Kim Kardashian Instagram followers” don't prove causation? Read our guide to statistical thinking.