Displacements due to droughts, extreme heat and associated impacts on food and water security are most frequent in east Africa and, to a lesser extent, south Asia and west and southern Africa . Since droughts unfold progressively and typically do not cause permanent damage to housing or livelihood assets, there is greater opportunity for government and non-governmental organisation  interventions and greater use of in situ adaptation options . Drought-related population movements are most common in dryland rural areas of low-income countries and occur after a threshold is crossed and in situ adaptation options are exhausted . Observed population movements may occur for an
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report