Some areas are more likely to generate climatic migration: the Andes, the dry areas of Amazonia, northern Brazil and northern countries in CA . Northeastern Brazil will lose population that will move to the south, deepening existing inequalities . In a study of eight countries around the world, including Guatemala and Peru, a link was found between rainfall variability and food insecurity, which could lead to migration in areas of high prevalence of rainfed agriculture and low diversification . In CA, younger individuals are more likely to migrate in response to hurricanes and especially to droughts .
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report