The university has also cancelled the valedictorian speech by a Muslim student who said she was silenced by anti-Palestinian hatred
UN Humanitarian Coordinator Jamie McGoldrick told a news conference in the Yemeni capital of Sanaa the new figure was based on official information from medical facilities in Yemen. It might rise as some areas had no medical facilities, and people were often buried without any official record being made.
The conflict has displaced three million Yemenis and forced 200,000 people to seek refuge abroad, McGoldrick said.
The United Nations had information that 900,000 of those displaced intended to try to return to their homes, he said.
"This is a big challenge, especially in areas still experiencing conflict," McGoldrick said.
Some 14 million of Yemen's 26 million population need food aid and 7 million are suffering from food insecurity, he said.