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US Adolescent Birth Rate vs US Urban Population
US Adolescent Birth Rate and US Urban Population correlate at r = -0.88 over 65 years (1960–2024), p < 0.0001. With the time trend removed, r = +0.30. Direction flips without the trend.
Verdict: Direction flips without the trend. The raw correlation is -0.88, but once each series' time trend is removed it becomes 0.30. The year-to-year movements run the opposite way to the long-run trends, so the headline number is misleading.
- Pearson r
- -0.88
- p-value
- < 0.0001
- Years compared (n)
- 65 (1960–2024)
- 95% confidence interval
- -0.92 to -0.80
- Correlation with the time trend removed
- +0.30
Sources
- US Adolescent Birth Rate (per 1,000 women 15–19): World Bank. US Adolescent Birth Rate (World Bank indicator SP.ADO.TFRT).
- US Urban Population (% of total): World Bank. US Urban Population (World Bank indicator SP.URB.TOTL.IN.ZS).
Related pairs
- US Rural Population vs US Urban Population (r = -1.00)
- US Population vs US Urban Population (r = +0.97)
- US Adult Obesity vs US Urban Population (r = +0.95)
- Atmospheric CO₂ (Mauna Loa) vs US Adolescent Birth Rate (r = -0.95)
- US Median Age vs US Urban Population (r = +0.95)
- US Electricity Generation vs US Urban Population (r = +0.95)
Correlation does not imply causation. How the verdict is worked out.