CorrelateAI › Pairs

US Gross Savings vs US Urban Population

US Gross Savings and US Urban Population correlate at r = -0.72 over 55 years (1970–2024), p < 0.0001. With the time trend removed, r = -0.22. 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 -0.22 — the relationship is probably coincidental, not causal.

Pearson r
-0.72
p-value
< 0.0001
Years compared (n)
55 (1970–2024)
95% confidence interval
-0.83 to -0.56
Correlation with the time trend removed
-0.22

Sources

Related pairs

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