I’ve posted on climate change migration, such as on migration within and from the Sahel (here) and India (here).
The Migration Policy Institute recently issued a primer on climate change and migration. Here is a passage about how relatively little climate change appears to drive migration – except in Africa:
“Environmental issues are generally minor factors in people’s migration decisions, typically far behind economic imperatives even in highly climate-affected countries. For instance, in El Salvador, Guatemala, and Honduras, just 6 percent of migrant-sending households cited climate- and environment-related reasons for emigration, according to a 2021 report from the World Food Program, Migration Policy Institute, and Massachusetts Institute of Technology. Similarly, in Central Africa, just 5 percent of migrants reported they moved for environmental reasons, according to a Mixed Migration Centre survey published in 2022. However, when asked whether the environment affected their decision to move, 50 percent of Central African respondents agreed.”