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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Lots of voters aren’t paying attention yet

I think that's right, Galen. In a CNN poll back in January, 35 percent of voters said they either don't follow the campaign at all or only pay as much attention to it as necessary. Another 38 percent said they don't seek out campaign news, but do follow the news that they encounter. Only 26 percent of voters said they are frequently seeking out news about the campaign. At this point in the race, voters are not really tuned in. It may be that whatever happens in the primary stays in the primary.

—Mary Radcliffe, 538


Endorse Julia's frustration with conflating the primaries with the general

Julia, I hear what you're saying, and as a member of "the media," I have an inkling as to why this is happening. The primary contests are not competitive and we have to talk about about ... something ... anything!

To echo what you're saying, just 22 percent of the registered voters in Michigan cast a ballot in the primary last week. In 2020, voter turnout exceeded 70 percent in the general. These are just wildly different electorates.

I often feel flummoxed by comparisons of the midterms to the general, and in the midterms turnout is closer to 50 percent. A general electorate is far less engaged in politics and is — according to polls — more driven by economic issues. And frankly, a big chunk of them find both Biden and Trump unappealing.

So, while I do think there are interesting things to say about the primary, they are not the kind of things that will tell you who will win in November.

—Galen Druke, 538


Republican leaders really wanted Buckhout

The Congressional Leadership Fund, which is aligned with the Republican House leadership, has spent several hundred thousand dollars to prevent Sandy Smith from winning that primary again. CLF also spent (unsuccessfully) against Smith in the 2022 primary after several damaging stories about her came out.

—Jacob Rubashkin, Inside Elections


Buckhout is very wealthy …

Not only did she drop more than $1 million of her own money into her campaign, she lives in a fancy, columned, waterfront manor in ritzy Edenton, with its own boat dock and putting green!

—Kaleigh Rogers, 538


Trump pivots to the general

Trump is speaking now (right on schedule, for once!) and it's one of those "pivot to the general" speeches candidates give once they win the nomination. But it's also like he's playing his greatest hits on 1.5x speed: In the last five minutes, he has talked about immigration (saying migrants are coming in on airplanes), ISIS (he says he wiped them out in four weeks), inflation (chastising "Bidenomics") and energy generation, and he attacked Biden for his age (at one point claiming that the president cannot lift a beach chair which "weighs nine ounces").

One thing missing? Any mention of Haley. Remember, Trump is not technically the nominee until the convention says so, and he's not the presumptive nominee until he wins enough delegates. He is having a super Super Tuesday tonight, but he's not quite there ... yet.

—G. Elliott Morris, 538