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Tokyo Average Temperature vs US Youth Unemployment

Tokyo Average Temperature and US Youth Unemployment correlate at r = -0.39 over 35 years (1991–2025), p = 0.019. With the time trend removed, r = -0.31. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = 0.019) and the association survives trend removal (detrended r = -0.31). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
-0.39
p-value
0.019
Years compared (n)
35 (1991–2025)
95% confidence interval
-0.64 to -0.07
Correlation with the time trend removed
-0.31

Sources

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