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US Federal Debt Outstanding vs US Population Aged 65+
US Federal Debt Outstanding and US Population Aged 65+ correlate at r = +0.94 over 66 years (1960–2025), p < 0.0001. With the time trend removed, r = +0.74. Holds up after detrending.
Verdict: Holds up after detrending. Statistically significant (p = < 0.0001) and the association survives trend removal (detrended r = 0.74). Correlation still isn't causation, but this one isn't an obvious artifact.
- Pearson r
- +0.94
- p-value
- < 0.0001
- Years compared (n)
- 66 (1960–2025)
- 95% confidence interval
- 0.91 to 0.96
- Correlation with the time trend removed
- +0.74
Sources
- US Federal Debt Outstanding (USD): U.S. Treasury. Total US federal debt outstanding at the end of each fiscal year (U.S. Treasury Fiscal Data).
- US Population Aged 65+ (% of total): World Bank. US Population Aged 65+ (World Bank indicator SP.POP.65UP.TO.ZS).
Related pairs
- US Wind Power Generation vs US Population Aged 65+ (r = +0.99)
- US Renewable Energy Share vs US Federal Debt Outstanding (r = +0.99)
- US Wind Power Generation vs US Federal Debt Outstanding (r = +0.99)
- US Federal Debt Outstanding vs US GDP (current US$) (r = +0.97)
- US Renewable Energy Share vs US Population Aged 65+ (r = +0.96)
- US GDP per Capita vs US Population Aged 65+ (r = +0.96)
Correlation does not imply causation. How the verdict is worked out.