After more than four decades of displacement, Afghan refugees constitute one of the largest protracted refugee situations in the world and one of the biggest displacement crises in modern history. Recent years have seen some Afghan refugees return home, while others remain as refugees outside. The Islamic Republics of Iran and Pakistan continue to host 2 million registered Afghan refugees. On this data portal page you will find updates on UNHCR's work in Iran and Pakistan to support refugees, as well as information on assistance to Afghans who have returned home to Afghanistan.