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Atmospheric Methane (global) vs US Adolescent Birth Rate
Atmospheric Methane (global) and US Adolescent Birth Rate correlate at r = -0.90 over 41 years (1984–2024), p < 0.0001. With the time trend removed, r = +0.26. Likely spurious (shared time trend).
Verdict: Likely spurious (shared time trend). Both series mostly just trend over time. After removing that trend the correlation collapses to 0.26 — the relationship is probably coincidental, not causal.
- Pearson r
- -0.90
- p-value
- < 0.0001
- Years compared (n)
- 41 (1984–2024)
- 95% confidence interval
- -0.95 to -0.83
- Correlation with the time trend removed
- +0.26
Sources
- Atmospheric Methane (global) (ppb): NOAA GML. Global annual mean atmospheric methane from marine surface sites (NOAA GML).
- US Adolescent Birth Rate (per 1,000 women 15–19): World Bank. US Adolescent Birth Rate (World Bank indicator SP.ADO.TFRT).
Related pairs
- Atmospheric Methane (global) vs US Natural Gas Consumption (r = +0.98)
- Atmospheric Methane (global) vs US GDP per Capita (r = +0.98)
- Atmospheric CO₂ (Mauna Loa) vs Atmospheric Methane (global) (r = +0.98)
- Atmospheric Methane (global) vs US GDP (current US$) (r = +0.98)
- Atmospheric Methane (global) vs US Median Age (r = +0.97)
- Atmospheric Methane (global) vs US Population (r = +0.96)
Correlation does not imply causation. How the verdict is worked out.