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US Coal Consumption vs US Youth Unemployment

US Coal Consumption and US Youth Unemployment correlate at r = +0.37 over 35 years (1991–2025), p = 0.031. With the time trend removed, r = +0.26. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = 0.031) and the association survives trend removal (detrended r = 0.26). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
+0.37
p-value
0.031
Years compared (n)
35 (1991–2025)
95% confidence interval
0.04 to 0.62
Correlation with the time trend removed
+0.26

Sources

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Correlation does not imply causation. How the verdict is worked out.