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Working Paper
Snow Belt to Sun Belt Migration: End of an Era?
Internal migration has been cited as a key channel by which societies will adapt to climate change. We show in this paper that this process has already been happening in the United States. Over the course of the past 50 years, the tendency of Americans to move from the coldest places (“snow belt”), which have become warmer, to the hottest places (“sun belt”), which have become hotter, has steadily declined. In the latest full decade, 2010-2020, both county population growth and county net migration rates were essentially uncorrelated with the historical means of either extreme heat ...