Figure 11. The correlation between the climate score and the net migration rate

Source: Author’s calculations based on “Gross migration file” data, 2018–2023, from the Internal Revenue Service (IRS), “SOI Tax Stats - Migration Data” (dataset), last reviewed March 20, 2026, https://www.irs.gov/statistics/soi-tax-stats-migration-data; “US Climate Normals, 30-Year Normals (1991–2020),” National Centers for Environmental Information (NCEI), National Oceanic and Atmospheric Administration (NOAA).