Syria's war: Stats, graphs and maps
Some estimates suggest about 110,000 people have been killed in Syria's war since 2011. The UN puts the figure closer to 200,000.
About 10 millions Syrians are thought to have been displaced, many of them fleeing into neighbouring countries.
BBC Newsnight's diplomatic editor Mark Urban looks at some of the statistics surrounding the conflict.
Graphics by Aslan Livingstone-Ra, production by Warwick Harrington