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US Imports vs US College Enrollment
US Imports and US College Enrollment correlate at r = +0.90 over 39 years (1971–2022), 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
- +0.90
- p-value
- < 0.0001
- Years compared (n)
- 39 (1971–2022)
- 95% confidence interval
- 0.82 to 0.95
- Correlation with the time trend removed
- +0.19
Sources
- US Imports (% of GDP): World Bank. US Imports (World Bank indicator NE.IMP.GNFS.ZS).
- US College Enrollment (% gross): World Bank. US College Enrollment (World Bank indicator SE.TER.ENRR).
Related pairs
- US Nuclear Power Generation vs US College Enrollment (r = +0.97)
- US Median Age vs US College Enrollment (r = +0.96)
- US Imports vs US Life Expectancy (r = +0.95)
- US Life Expectancy vs US College Enrollment (r = +0.94)
- US Infant Mortality vs US College Enrollment (r = -0.94)
- US Imports vs US Urban Population (r = +0.94)
Correlation does not imply causation. How the verdict is worked out.