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US Energy Use per Capita vs US Federal Debt Outstanding

US Energy Use per Capita and US Federal Debt Outstanding correlate at r = -0.63 over 61 years (1965–2025), p < 0.0001. With the time trend removed, r = -0.72. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = < 0.0001) and the association survives trend removal (detrended r = -0.72). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
-0.63
p-value
< 0.0001
Years compared (n)
61 (1965–2025)
95% confidence interval
-0.76 to -0.44
Correlation with the time trend removed
-0.72

Sources

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