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US Nuclear Power Generation vs US Urban Population

US Nuclear Power Generation and US Urban Population correlate at r = +0.93 over 61 years (1965–2025), p < 0.0001. With the time trend removed, r = +0.40. Interpret with caution.

Verdict: Interpret with caution. Much of the apparent link is driven by a shared time trend: r falls from 0.93 to 0.40 once the trend is removed.

Pearson r
+0.93
p-value
< 0.0001
Years compared (n)
61 (1965–2025)
95% confidence interval
0.88 to 0.95
Correlation with the time trend removed
+0.40

Sources

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