US youth organized sports participationUS states with feral hog populations
It is a curious thing about the universe that American children have become progressively less interested in organized sports at almost exactly the same rate that feral hogs have claimed new territory across the nation's midsection, as though some vast cosmic seesaw were being operated by a committee that had never met and shared no common language. One might imagine the hogs attending the soccer practices, politely taking the children's places, though this explains nothing. The correlation sits there at 0.985, which is the sort of number that makes statisticians nervous and everyone else laugh out loud at their kitchen table.
But here is what actually seems to be happening, and it is rather more interesting than mystical hog-summoning: both trends track the slow migration and economic clustering of rural populations in America during the 2008-2020 period. As families moved away from agricultural and rural counties toward urban centers and suburbs—seeking jobs, schools, and the kind of infrastructure that can sustain competitive youth sports—the regions left behind, often characterized by smaller populations and less organized civic investment, became precisely the sort of semi-managed landscape where feral hog populations thrive. Think of it this way: between 2008 and 2020, feral hogs spread across roughly 35 million acres of American land, but what that actually means is that certain counties had fewer PTA meetings, fewer funded baseball diamonds, and fewer organized systems of any kind—the sort of institutions that don't survive on their own.
What we are witnessing here is not a causal relationship but rather two different measurements of the same large, quiet reorganization of American geography and community. The hogs did not drive children away from sports, nor did youth soccer somehow repel swine. We simply managed to measure two completely different outcomes of the same underlying phenomenon and felt briefly clever about it. Pattern-seeking is what we do best.
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Want to learn more about why correlations like “US youth organized sports participation” vs “US states with feral hog populations” don't prove causation? Read our guide to statistical thinking.