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Sydney Average Temperature vs US Population Aged 65+
Sydney Average Temperature and US Population Aged 65+ correlate at r = +0.55 over 66 years (1960–2025), p < 0.0001. With the time trend removed, r = -0.12. Interpret with caution.
Verdict: Interpret with caution. Much of the apparent link is driven by a shared time trend: r falls from 0.55 to -0.12 once the trend is removed.
- Pearson r
- +0.55
- p-value
- < 0.0001
- Years compared (n)
- 66 (1960–2025)
- 95% confidence interval
- 0.35 to 0.70
- Correlation with the time trend removed
- -0.12
Sources
- Sydney Average Temperature (°C): Open-Meteo (ERA5). Annual mean 2m air temperature for Sydney from the ERA5 reanalysis.
- 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.