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US Homicide Rate vs US Adolescent Birth Rate

US Homicide Rate and US Adolescent Birth Rate correlate at r = +0.69 over 31 years (1990–2023), p < 0.0001. With the time trend removed, r = -0.19. 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 -0.19 — the relationship is probably coincidental, not causal.

Pearson r
+0.69
p-value
< 0.0001
Years compared (n)
31 (1990–2023)
95% confidence interval
0.44 to 0.84
Correlation with the time trend removed
-0.19

Sources

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Correlation does not imply causation. How the verdict is worked out.