UNAMID is a joint mission between the African Union and the United
Nations and the world's second largest international peacekeeping force.
UNAMID has an annual budget of $1.35 billion and almost 20,000 troops
mainly from Africa, Asia and the Middle East. But it has struggled to
protect civilians since it set out in 2008. Attacks, often by Arab
"Janjaweed" militiamen, continue according to UNAMID and aid groups. The
conflict, which started as a row between African pastoralists and Arab
nomads over land, has killed more than 200,000 people and displaced two