More than 2 1/2 years of violence has ravaged Syria. About 40 percent of its people have been displaced, including millions who have fled the country. These refugees - their lives threatened, their livelihoods gone, their homes destroyed - must start anew in a foreign land until it is safe for them to return. But that homecoming is far from certain.
Sources: UNHCR, UNRWA, HIU, OCHA, USAID, Syria Tracker | By Gene Thorp and Kevin Sullivan/The Washington Post 
