People fleeing within their own country, internally displaced persons (IDPs), represent the largest group of refugees worldwide. However, compared to people seeking protection in another state, the support and legal frameworks provided for them are less developed and often patchy. While local crises and conflicts are the main causes of internal displacement, climate change increases the pressure on IDPs and further fuels existing conflicts. This complex interplay can be observed particularly in the Sahel, Central Africa, and Horn of Africa regions. Our partner Refugees International (RI) analyzes the drivers and challenges of internal displacement, as well as opportunities for improvement in these regions. In addition, RI advocates for improved protection of internally displaced persons at the global level.