There are 220, 000 refugees from Darfur living in camps in Chad, and more than 110, 000 internally displaced people.
The violence in the area has also sent thousands into camps for internally displaced people.
We met hundreds of internally displaced people living in a small Alawite village in the north.
BBC: Syrians hide underground to escape struggle for control
Less was achieved on the other continent-wide issue the treatment of refugees and internally displaced people.
For the fourth year running, Colombia has the highest number of internally displaced people on the list.
There are 1.5 million refugees taking shelter in neighbouring countries and an estimated 4.25 million internally displaced people.
Others including World Vision international continues its work, which reaches approximately 500, 000 internally displaced people in South Sudan.
The report says that Colombia, with its estimated 4.9 to 5.5 million internally displaced people tops the global list.
The UN puts the number of internally displaced people at 1.2m and says it has registered over 200, 000 refugees abroad.
There are also thought to be more than 1.2 million internally displaced people, and 2.5 million in need of humanitarian assistance.
BBC: Syria conflict worsening, says UN envoy Lakhdar Brahimi
Along with the internally displaced people, there are more than 2 million refugees, most of whom are in Syria and Jordan.
The United Nations estimates there are 2.5m internally displaced people in Syria.
Indonesian UN troops were sent to protect internally displaced people in Darfur.
Late last month fighting broke out in Kalma, a vast camp for internally displaced people near the town of Nyala in south Darfur.
Child marriage rates are also higher in refugee and IDP (Internally Displaced People) camps, where girls are encouraged to marry early to safeguard their virginity.
Before the war last year, Georgia had 220, 000 internally displaced people.
On this World Refugee Day, the United States joins the international community in recognizing the nearly 15 million refugees worldwide, and millions more internally displaced people.
About 78, 000 internally displaced people had been moved in Myanmar, the United Nation's Office for the Coordination of Humanitarian Affairs, or OCHA, said late Thursday, citing government estimates.
In Darfur, the biggest centre of opposition to Mr Bashir, 2m-odd internally displaced people living in huge refugee camps will probably fail to register for fear they may lose the right to vote in the villages from which they have been evicted.
ECONOMIST: Sudan's coming elections: How did it come to this? | The
The aid group was accused by some people of proselytising activities and distributing Bibles to internally displaced Tawargha people in Benghazi - accusations it strenuously denied.
The DEC said the total number in need of assistance in Syria and the surrounding countries was more than five million - one million refugees, two million internally-displaced people and two million still living at home in Syria but requiring assistance.
The United Nations estimates that over 1.5 million people in Syria are in need of humanitarian assistance, over 1 million people are internally displaced, and more than 130, 000 people have sought refuge in neighboring countries.
At least 300 people have been killed and as many as 75, 000 people internally displaced in the post-election violence, the government said.
With another 300, 000 people internally displaced due to recent events, many of them now living with host families, it is not certain how many eligible voters will be able to go to the polls.
He spoke to CNN as an uneasy calm hung over the Kenyan capital Friday, after almost a week of violence that, according to government figures, has left at least 300 people dead and up to 75, 000 people internally displaced.
The Obama administration rejected the Assad claim as a sign of desperation by a besieged government intent on drawing attention from its war atrocities some 70, 000 dead, more than 1 million refugees and 2.5 million people internally displaced.
About 4 million people were internally displaced, more than half of them children, the United Nations said.
There people are internally displaced, Kurds heading farther into the countryside, and local authorities are trying to take care of them.
Over the last four months, another 173, 000 people have became internally displaced because of the unrest.
BBC: Central Africa Republic crisis: Refugee numbers 'swell'
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