Refugee crisis: A refugee crisis occurs when a large number of refugees flee their home countries simultaneously due to conflict or other destabilizing factors.
Internally displaced persons (IDPs): Internally displaced persons are individuals who have been forced to leave their homes but remain within the borders of their own country.
Asylum seekers: Asylum seekers are individuals who seek protection and refuge in another country because they fear persecution in their home country based on race, religion, nationality, political opinion, or membership in a particular social group.