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US Dollar to Japanese Yen vs US Population Aged 65+
US Dollar to Japanese Yen and US Population Aged 65+ correlate at r = +0.56 over 27 years (1999–2025), p = 0.0024. With the time trend removed, r = +0.75. Holds up after detrending.
Verdict: Holds up after detrending. Statistically significant (p = 0.0024) and the association survives trend removal (detrended r = 0.75). Correlation still isn't causation, but this one isn't an obvious artifact.
- Pearson r
- +0.56
- p-value
- 0.0024
- Years compared (n)
- 27 (1999–2025)
- 95% confidence interval
- 0.23 to 0.77
- Correlation with the time trend removed
- +0.75
Sources
- US Dollar to Japanese Yen (JPY per USD): Frankfurter (ECB). Annual mean US Dollar to Japanese Yen exchange rate (European Central Bank reference rates).
- 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 Population Aged 65+ (r = +0.96)
- US GDP per Capita vs US Population Aged 65+ (r = +0.96)
- US GDP (current US$) vs US Population Aged 65+ (r = +0.95)
- Atmospheric CO₂ (Mauna Loa) vs US Population Aged 65+ (r = +0.95)
- US Population Aged 65+ vs US R&D Expenditure (r = +0.95)
Correlation does not imply causation. How the verdict is worked out.