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US Annual CO₂ Emissions vs US Population Aged 65+
US Annual CO₂ Emissions and US Population Aged 65+ correlate at r = +0.56 over 65 years (1960–2024), p < 0.0001. With the time trend removed, r = -0.66. Direction flips without the trend.
Verdict: Direction flips without the trend. The raw correlation is 0.56, but once each series' time trend is removed it becomes -0.66. The year-to-year movements run the opposite way to the long-run trends, so the headline number is misleading.
- Pearson r
- +0.56
- p-value
- < 0.0001
- Years compared (n)
- 65 (1960–2024)
- 95% confidence interval
- 0.37 to 0.71
- Correlation with the time trend removed
- -0.66
Sources
- US Annual CO₂ Emissions (tonnes): Our World in Data. US Annual CO₂ Emissions (Our World in Data: Annual CO₂ emissions).
- 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.