As many as 12 million Syrians have fled their homes since the start of a civil war. According to the United Nations High Commissioner for Refugees, more than 4 million have made their way to neighboring countries, including Egypt, Turkey, Lebanon, Jordan and Iraq. Millions more of the displaced are living in other areas of Syria.
More than 680,000 Syrians have sought asylum in Europe between April 2011 and the end of last month. As of Oct. 7, the High Commission for Refugees had submitted nearly 20,000 Syrian refugees to the United States for resettlement, according to the U.N.