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Arctic Sea Ice Extent (September) vs US Net Migration
Arctic Sea Ice Extent (September) and US Net Migration correlate at r = -0.63 over 47 years (1979–2025), p < 0.0001. With the time trend removed, r = -0.11. Interpret with caution.
Verdict: Interpret with caution. Much of the apparent link is driven by a shared time trend: r falls from -0.63 to -0.11 once the trend is removed.
- Pearson r
- -0.63
- p-value
- < 0.0001
- Years compared (n)
- 47 (1979–2025)
- 95% confidence interval
- -0.78 to -0.42
- Correlation with the time trend removed
- -0.11
Sources
- Arctic Sea Ice Extent (September) (million km²): NSIDC. Mean Arctic sea ice extent in September, the yearly minimum (NSIDC Sea Ice Index).
- US Net Migration (people): World Bank. US Net Migration (World Bank indicator SM.POP.NETM).
Related pairs
- Arctic Sea Ice Extent (September) vs US Mobile Subscriptions (r = -0.92)
- Arctic Sea Ice Extent (September) vs US Resident Patent Applications (r = -0.91)
- Arctic Sea Ice Extent (September) vs US Adult Obesity (r = -0.91)
- Arctic Sea Ice Extent (September) vs US Population (r = -0.90)
- Arctic Sea Ice Extent (September) vs US Marriage Rate (r = +0.90)
- Atmospheric CO₂ (Mauna Loa) vs Arctic Sea Ice Extent (September) (r = -0.89)
Correlation does not imply causation. How the verdict is worked out.