The Office of the United Nations High Commissioner for Refugees said most of the displaced are in camps or living with host families mostly in the western part of the country.

Ivory Coast endured months of bloodshed after a disputed November election that pitted the forces of Alassane Ouattara against those of Laurent Gbagbo, who refused to cede power.

Gbagbo was captured in April, and Ouattara was sworn in several weeks later. Both sides have been accused of atrocities.

The head of the Human Rights Division of the UN Mission in Ivory Coast has called for immediate and impartial investigations into reports of attacks by armed forces loyal to Ouattara against people in areas known to support Gbagbo.

The UN refugee agency said communal tensions are still high in the southwestern Sassandra region, where more than 280 civilians were killed in early May by mercenaries on the run from Abidjan, the nation's metropolitan center.

A month into Ouattara's term, many villages still lie empty, according to aid workers.

Displaced people are further at risk because they are in areas with food shortages and the threat of disease, heightened by the rainy season, according to Doctors Without Borders.

At the height of Ivory Coast's recent crisis, roughly 1 million people were displaced from their homes. Hundreds of people were killed in the violence.