In just four years, since 2011, half of the Syrian population has been killed, displaced or has fled the country.
In just 4 years, over half of Syria's population of 22m has been killed, displaced or fled the country. pic.twitter.com/KdjO8Hhwn2
— paulkirby (@paul1kirby) August 30, 2015
There are nearly 4 million Syrian refugees in five host countries.