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Sunspot Number vs US Population
Sunspot Number and US Population correlate at r = -0.19 over 66 years (1960–2025), p = 0.136. With the time trend removed, r = -0.30. Not statistically significant.
Verdict: Not statistically significant. With n = 66, this correlation isn't statistically significant (p = 0.136). It could easily be chance.
- Pearson r
- -0.19
- p-value
- 0.136
- Years compared (n)
- 66 (1960–2025)
- 95% confidence interval
- -0.41 to 0.06
- Correlation with the time trend removed
- -0.30
Sources
- Sunspot Number (yearly mean): SILSO. Yearly mean total sunspot number (SILSO, Royal Observatory of Belgium).
- US Population (people): World Bank. US Population (World Bank indicator SP.POP.TOTL).
Related pairs
- US Adult Obesity vs US Population (r = +1.00)
- Atmospheric CO₂ (Mauna Loa) vs US Population (r = +0.99)
- US Resident Patent Applications vs US Population (r = +0.98)
- US Median Age vs US Population (r = +0.98)
- US Cereal Yield vs US Population (r = +0.97)
- US GDP per Capita vs US Population (r = +0.97)
Correlation does not imply causation. How the verdict is worked out.