Most climate-related migration observed currently is within countries or between neighbouring countries, rather than to distant high-income countries . Urbanisation has increased when rural livelihoods were negatively impacted by low rainfall. Over 2.6 million and 3.4 million new weather-related displacements occurred in sub-Saharan Africa in 2018 and 2019. 
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report