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US Birth Rate vs US Mobile Subscriptions
US Birth Rate and US Mobile Subscriptions correlate at r = -0.79 over 50 years (1960–2024), p < 0.0001. With the time trend removed, r = +0.16. 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 0.16 — the relationship is probably coincidental, not causal.
- Pearson r
- -0.79
- p-value
- < 0.0001
- Years compared (n)
- 50 (1960–2024)
- 95% confidence interval
- -0.88 to -0.66
- Correlation with the time trend removed
- +0.16
Sources
- US Birth Rate (per 1,000 people): World Bank. US Birth Rate (World Bank indicator SP.DYN.CBRT.IN).
- US Mobile Subscriptions (per 100 people): World Bank. US Mobile Subscriptions (World Bank indicator IT.CEL.SETS.P2).
Related pairs
- US Mobile Subscriptions vs US Resident Patent Applications (r = +0.99)
- US Adult Obesity vs US Mobile Subscriptions (r = +0.98)
- US Internet Users vs US Mobile Subscriptions (r = +0.98)
- US Internet Usage vs US Mobile Subscriptions (r = +0.98)
- US Forest Area vs US Mobile Subscriptions (r = +0.98)
- Atmospheric Methane (global) vs US Birth Rate (r = -0.95)
Correlation does not imply causation. How the verdict is worked out.