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US Air Passengers Carried vs US Secondary School Enrollment
US Air Passengers Carried and US Secondary School Enrollment correlate at r = +0.68 over 35 years (1971–2022), p < 0.0001. With the time trend removed, r = -0.02. 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 -0.02 — the relationship is probably coincidental, not causal.
- Pearson r
- +0.68
- p-value
- < 0.0001
- Years compared (n)
- 35 (1971–2022)
- 95% confidence interval
- 0.45 to 0.82
- Correlation with the time trend removed
- -0.02
Sources
- US Air Passengers Carried (passengers): Our World in Data. US Air Passengers Carried (Our World in Data: Air transport, passengers carried).
- US Secondary School Enrollment (% gross): World Bank. US Secondary School Enrollment (World Bank indicator SE.SEC.ENRR).
Related pairs
- US Air Passengers Carried vs US Life Expectancy (r = +0.94)
- US Air Passengers Carried vs US Median Age (r = +0.94)
- US Air Passengers Carried vs US Population (r = +0.94)
- US Air Passengers Carried vs US Urban Population (r = +0.92)
- US Air Passengers Carried vs US Rural Population (r = -0.92)
- Atmospheric CO₂ (Mauna Loa) vs US Air Passengers Carried (r = +0.91)
Correlation does not imply causation. How the verdict is worked out.