CorrelateAI › Pairs

US Coal Consumption vs US Rural Population

US Coal Consumption and US Rural Population correlate at r = -0.30 over 61 years (1965–2025), p = 0.021. With the time trend removed, r = -0.61. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = 0.021) and the association survives trend removal (detrended r = -0.61). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
-0.30
p-value
0.021
Years compared (n)
61 (1965–2025)
95% confidence interval
-0.51 to -0.05
Correlation with the time trend removed
-0.61

Sources

Related pairs

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