Biden says U.S. will end its combat mission in Iraq as its prime minister visits the White House.

President Biden said on Monday that the United States would end its combat mission in Iraq by the end of the year, shifting fully to an advisory and training role as America dials down its involvement in long-term conflicts in the Middle East.

“We’re not going to be, by the end of the year, in a combat zone,” Mr. Biden said as he met with Prime Minister Mustafa al-Kadhimi of Iraq at the White House Monday.

The agreement to end the combat mission is largely symbolic, since U.S. troops no...