Immigration to Turkey is the process by which people migrate to Turkey to reside in the country. Turkey's migrant crisis created after an estimated 2.5 percent of the population are international migrants. Turkey hosts the largest number of refugees in the world, including 3.6 million Syrian refugees, as of April 2020. As part of Turkey's migrant crisis, according to UNHCR, in 2018 Turkey was hosting 63.4% of all the refugees in the world, that is 3,564,919 registered refugees from Africa and the Middle East in total.