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US Fertility Rate vs US Resident Patent Applications
US Fertility Rate and US Resident Patent Applications correlate at r = -0.33 over 42 years (1980–2021), p = 0.034. With the time trend removed, r = +0.06. Holds up after detrending.
Verdict: Holds up after detrending. Statistically significant (p = 0.034) and the association survives trend removal (detrended r = 0.06). Correlation still isn't causation, but this one isn't an obvious artifact.
- Pearson r
- -0.33
- p-value
- 0.034
- Years compared (n)
- 42 (1980–2021)
- 95% confidence interval
- -0.57 to -0.03
- Correlation with the time trend removed
- +0.06
Sources
- US Fertility Rate (children per woman): Our World in Data. US Fertility Rate (Our World in Data: Total fertility rate).
- US Resident Patent Applications (applications): World Bank. US Resident Patent Applications (World Bank indicator IP.PAT.RESD).
Related pairs
- US Mobile Subscriptions vs US Resident Patent Applications (r = +0.99)
- US Adult Obesity vs US Resident Patent Applications (r = +0.98)
- US Resident Patent Applications vs US Population (r = +0.98)
- Atmospheric CO₂ (Mauna Loa) vs US Resident Patent Applications (r = +0.97)
- US GDP per Capita vs US Resident Patent Applications (r = +0.97)
- US GDP (current US$) vs US Resident Patent Applications (r = +0.97)
Correlation does not imply causation. How the verdict is worked out.