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US Oil Consumption vs US College Enrollment

US Oil Consumption and US College Enrollment correlate at r = +0.40 over 39 years (1971–2022), p = 0.011. With the time trend removed, r = +0.00. Interpret with caution.

Verdict: Interpret with caution. Much of the apparent link is driven by a shared time trend: r falls from 0.40 to 0.00 once the trend is removed.

Pearson r
+0.40
p-value
0.011
Years compared (n)
39 (1971–2022)
95% confidence interval
0.10 to 0.64
Correlation with the time trend removed
+0.00

Sources

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