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US Electricity Generation vs US Military Expenditure

US Electricity Generation and US Military Expenditure correlate at r = -0.81 over 40 years (1985–2024), p < 0.0001. With the time trend removed, r = -0.65. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = < 0.0001) and the association survives trend removal (detrended r = -0.65). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
-0.81
p-value
< 0.0001
Years compared (n)
40 (1985–2024)
95% confidence interval
-0.89 to -0.66
Correlation with the time trend removed
-0.65

Sources

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