Super Tuesday primaries 2024: Trump and Biden dominate, Haley drops out

538 tracked how Trump and Haley did, plus key U.S. House and Senate races.

March 5 was Super Tuesday — the biggest election day of the year until the one in November! With former President Donald Trump projected to win 14 of the day's 15 GOP presidential nominating contests, former U.N. Ambassador Nikki Haley announced Wednesday morning that she is suspending her campaign.

It was also the first downballot primary day of 2024, with important contests for Senate, House and governor in states like Alabama, California, North Carolina and Texas.

538 reporters, analysts and contributors broke down the election results as they came in with live updates, analysis and commentary. Read our full live blog below.


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Tied again in Vermont

With 70 percent of the expected vote reporting in Vermont, Trump and Haley are tied again at 48 percent each. If Haley wins there, it might compel her to stay in past tonight, but the overall delegate math is still against her.

—Monica Potts, 538


Book recommendation about U.S. territories

Want to know more about territories like American Samoa, which participate in the nomination process but aren't states — and thus don't have Electoral College votes or representation in Congress? I recommend this fascinating book, "The Not-Quite-States of America" by journalist Doug Mack. It explores the contradictions in the status of these areas and how it affects the people who live there.

—Julia Azari, 538 contributor


Biden loses American Samoa to no-name candidate

Well, well, well. It turns out neither Trump nor Biden will sweep every presidential nominating contest this year. ABC News can confirm that Biden has lost the Democratic caucuses in the territory of American Samoa to Jason Palmer.

Who is Jason Palmer, you ask? One of the many no-name candidates who runs for president every year. According to DDHQ’s Derek Willis, Palmer actually visited American Samoa to campaign, which explains how he was able to accomplish something that neither Marianne Williamson nor Dean Phillips has been able to do this year.

P.S. What’s up with American Samoa and Democratic caucuses? You may recall that, back in 2020, it was the only state or territory to vote for Michael Bloomberg.

—Nathaniel Rakich, 538


Democratic precincts are voting 'No Preference' in North Carolina

—Dan Hopkins, 538 contributor


Welcome to Super Tuesday!

It’s the biggest day of the primary season, and former President Donald Trump could very well sweep all 15 GOP presidential nominating contests today. With limited polling in many of these states, it’s not out of the question that former U.N. Ambassador Nikki Haley could pick off a state or two, but barring a massive shocker, the main question tonight is whether she’ll drop out and make Trump the presumptive Republican nominee.

Outside of the presidential race, it’s a day us election nerds have been waiting for — the first day of downballot primary season! We’ve got our eye on dozens of primary contests happening in Alabama, Arkansas, California, North Carolina and Texas, where November’s battle lines will be drawn as we find out which candidates will be on the ballot for everything from congressional seats to city councils.

As always, 538 analysts will be here bringing you the latest results and analysis as polls close, from Vermont and Virginia (7 p.m. Eastern) through Alaska (midnight). Thanks for joining us!

—Tia Yang, 538