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Global Temperature Anomaly vs US Military Expenditure
Global Temperature Anomaly and US Military Expenditure correlate at r = -0.78 over 65 years (1960–2024), p < 0.0001. With the time trend removed, r = +0.26. Likely spurious (shared time trend).
Verdict: Likely spurious (shared time trend). Both series mostly just trend over time. After removing that trend the correlation collapses to 0.26 — the relationship is probably coincidental, not causal.
- Pearson r
- -0.78
- p-value
- < 0.0001
- Years compared (n)
- 65 (1960–2024)
- 95% confidence interval
- -0.86 to -0.66
- Correlation with the time trend removed
- +0.26
Sources
- Global Temperature Anomaly (°C vs 1901–2000): NOAA NCEI. Annual global land and ocean surface temperature departure from the 1901–2000 average (NOAA NCEI).
- US Military Expenditure (% of GDP): World Bank. US Military Expenditure (World Bank indicator MS.MIL.XPND.GD.ZS).
Related pairs
- Atmospheric CO₂ (Mauna Loa) vs Global Temperature Anomaly (r = +0.97)
- Global Temperature Anomaly vs US GDP per Capita (r = +0.97)
- Global Temperature Anomaly vs US GDP (current US$) (r = +0.96)
- Global Temperature Anomaly vs US Population (r = +0.95)
- Global Temperature Anomaly vs US Cereal Yield (r = +0.94)
- Global Temperature Anomaly vs Atmospheric Methane (global) (r = +0.94)
Correlation does not imply causation. How the verdict is worked out.