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US Marriage Rate vs US Agriculture Value Added

US Marriage Rate and US Agriculture Value Added correlate at r = +0.60 over 25 years (1997–2021), p = 0.0015. With the time trend removed, r = +0.07. Interpret with caution.

Verdict: Interpret with caution. Much of the apparent link is driven by a shared time trend: r falls from 0.60 to 0.07 once the trend is removed.

Pearson r
+0.60
p-value
0.0015
Years compared (n)
25 (1997–2021)
95% confidence interval
0.27 to 0.80
Correlation with the time trend removed
+0.07

Sources

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