Workers at the Gwinnett County Georgia elections headquarters process absentee ballots for Georgia's Senate runoff election in Lawrenceville, Ga. on Wednesday, Jan. 6, 2021.
The call was made after an analysis of outstanding ballots showed there was no way for Perdue, who was seeking a second term, to overtake Ossoffโs lead.
Many of the ballots left to be counted were mail votes, a form of voting that overwhelmingly favored Ossoff.
The remaining votes left to be counted in Republican-leaning areas that favored Perdue were not enough for him to catch up.
Until Warnock, a Democrat hadn't won a U.S. Senate contest in the state since former Georgia Gov.