Between 40,000 and 50,000 people were killed in the Haiti quake, the International Red Cross told AFP.
"The main figures have been given by the Haiti government, and they are talking about 40,000 to 50,000 people having been killed," said Xavier Castellanos, head of the Americas zone of the International Federation of Red Cross and Red Crescent Societies.
"The scale of this event means the toll will be high and the figure given by the government is likely the right one," he said.
Castellanos added that "at least three million people had been directly affected. That's to say a third of the population."
Haitian officials had earlier warned that the overall death toll from the 7.0-magnitude earthquake that ripped across the poorest nation in the Americas on Tuesday may top 100,000.