Today is World Refugee Day, established by the U.N. in 2000 together with World Migrant Day (Dec. 18). Migrants and refugees, a particular set.
One becomes recognized as a refugee if born Palestinian or, if and when, an asylum request is granted beyond the borders of the own country. In theory, the application must be granted if the individual is fleeing from civil war or persecution (because of nationality, political opinion, religion, membership to a particular social group, such as homosexuals, or ancestry). Until the application is granted, the person remains an asylum seeker.
At the end of 2016, there were 5.3 million Palestinian refugees under the mandate of UNRWA (United Nations Relief and Works Agency for Palestine Refugees in the Near East), 17.2 million refugees under the mandate of another U.N. agency UNHCR (United Nations High Commissioner for Refugees) and 2.8 million asylum seekers.