President Biden is officially the presumptive Democratic presidential nominee.
Biden clinched his party's 2024 nomination Tuesday as Georgia, Mississippi and Washington state held primaries.
With no major challengers remaining, Biden and former President Trump were on course to collect all or nearly all the delegates up for grabs in Tuesday's contests, putting each of them over the top and making them the presumptive Democrat and Republican presidential nominees.
WHERE THE 2024 PRESIDENTIAL NOMINATION RACES STAND
The president and his predecessor in the White House will formally become the two major party nominees this summer when the Republicans and Democrats host their national nominating conventions in July and August, respectively.
Biden had 1,872 delegates as of Tuesday morning. The president, who swept 14 of 15 contests last week on Super Tuesday, needed 1,968 to clinch renomination.
BIDEN, TRUMP, SWEEP SUPER TUESDAY CONTESTS AS THEY MOVE CLOSER TO CLINCHING NOMINATIONS
Georgia, where polls closed at 7 p.m., has 108 delegates up for grabs. Thirty-five Democratic delegates are at stake in Mississippi, with another 92 in Washington state.
Trump, who is expected to clinch the GOP nomination later Tuesday evening, had 1,078 delegates at the start of the day. He needs 1,215 to lock up the nomination.
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Fifty-nine GOP delegates are up for grabs in Georgia, with 40 at stake in Mississippi and 43 in Washington state. Nineteen more delegates are up for grabs in Hawaii, which holds a Republican presidential caucus later in the evening.
Trump swept 14 of the 15 GOP Super Tuesday primaries and caucuses, which moved him much closer to officially locking up the 2024 Republican presidential nomination. And Trump's last rival for the nomination, Nikki Haley, dropped out of the race the day after Super Tuesday.
Biden, who served nearly four decades as a senator from Delaware before stepping down to assume the vice presidency for eight years under President Obama, defeated Trump four years ago to win the White House.
The November rematch between Biden and Trump is the first in the race for the White House since 1956, when Republican President Dwight D. Eisenhower defeated former Democratic Gov. Adlai Stevenson of Illinois when they faced off for a second time.
In a statement as he clinched the nomination, Biden took aim at his Republican challenger, charging that "Donald Trump is running a campaign of resentment, revenge, and retribution that threatens the very idea of America."
"Voters now have a choice to make about the future of this country. Are we going to stand up and defend our democracy or let others tear it down? Will we restore the right to choose and protect our freedoms or let extremists take them away? Will we finally make the wealthy pay their fair share in taxes – or will we allow corporate greed to run rampant on the backs of the middle class?" Biden asked. "I believe that the American people will choose to keep us moving into the future."