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US Air Passengers Carried vs US Net Migration

US Air Passengers Carried and US Net Migration correlate at r = +0.84 over 54 years (1970–2023), p < 0.0001. With the time trend removed, r = +0.64. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = < 0.0001) and the association survives trend removal (detrended r = 0.64). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
+0.84
p-value
< 0.0001
Years compared (n)
54 (1970–2023)
95% confidence interval
0.73 to 0.90
Correlation with the time trend removed
+0.64

Sources

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