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US Annual Working Hours per Worker vs US College Enrollment
US Annual Working Hours per Worker and US College Enrollment correlate at r = -0.67 over 39 years (1971–2022), p < 0.0001. With the time trend removed, r = +0.07. 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 0.07 — the relationship is probably coincidental, not causal.
- Pearson r
- -0.67
- p-value
- < 0.0001
- Years compared (n)
- 39 (1971–2022)
- 95% confidence interval
- -0.81 to -0.45
- Correlation with the time trend removed
- +0.07
Sources
- US Annual Working Hours per Worker (hours): Our World in Data. US Annual Working Hours per Worker (Our World in Data: Working hours per worker).
- 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 Life Expectancy vs US College Enrollment (r = +0.94)
- US Infant Mortality vs US College Enrollment (r = -0.94)
- US Population vs US College Enrollment (r = +0.93)
- US College Enrollment vs US Urban Population (r = +0.93)
Correlation does not imply causation. How the verdict is worked out.