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US Median Age vs US Renewable Energy Share
US Median Age and US Renewable Energy Share correlate at r = +0.82 over 59 years (1965–2023), p < 0.0001. With the time trend removed, r = -0.71. Direction flips without the trend.
Verdict: Direction flips without the trend. The raw correlation is 0.82, but once each series' time trend is removed it becomes -0.71. The year-to-year movements run the opposite way to the long-run trends, so the headline number is misleading.
- Pearson r
- +0.82
- p-value
- < 0.0001
- Years compared (n)
- 59 (1965–2023)
- 95% confidence interval
- 0.71 to 0.89
- Correlation with the time trend removed
- -0.71
Sources
- US Median Age (years): Our World in Data. US Median Age (Our World in Data: Median age).
- US Renewable Energy Share (% of primary energy): Our World in Data. US Renewable Energy Share (Our World in Data: Renewables).
Related pairs
- US Median Age vs US Adult Obesity (r = +0.99)
- US Renewable Energy Share vs US Federal Debt Outstanding (r = +0.99)
- US Renewable Energy Share vs US Wind Power Generation (r = +0.99)
- US Median Age vs US Population (r = +0.98)
- Atmospheric CO₂ (Mauna Loa) vs US Median Age (r = +0.97)
- US Median Age vs US Internet Users (r = +0.97)
Correlation does not imply causation. How the verdict is worked out.