Lebanon
Total population: 6 million
Syrian Response
Total population: 18.
Jordan
Total population: 9.
Afghanistan
Total population: 34.
Yemen
Total population: 27.
Iraq
Total population: 37.
Burundi
Total population: 10.
Democratic Republic of Congo
Total population: 82 million
South Sudan
Total population: 12.
Uganda
Total population: 38 million