2:54Watch key moments from the US vice-presidential debate
On Tuesday night, JD Vance and Tim Walz launched attacks on their presidential opponents, sparring over international conflict, the US economy, immigration and abortion rights.
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Despite those heated moments – and at least one muted microphone – it was perhaps the most civil debate of the 2024 election campaign. There were even points of common ground between the two men.
Here are some of the most memorable parts of the first and only scheduled TV showdown between the running mates of Kamala Harris and Donald Trump.
1) Vance vows to win back voters’ ‘trust’ on abortion
1:04Vance: We need to earn Americans’ trust back on abortion
Abortion rights, a top issue in the 2024 election, sparked one of the longest and most heated exchanges of the night.
It’s an issue Democrats have used to galvanize voters, regularly framing Trump as a threat to women’s autonomy because of his role in appointing a conservative majority to the Supreme Court. The court later overturned Roe v Wade, the ruling that had protected abortion rights in the US for decades.
Walz cited the stories of Amber Thurman and Candi Miller, two women from Georgia whose deaths were connected to abortion restrictions in their home state.
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Vance, meanwhile, said his opinion on the issue had changed. He previously supported some type of national restrictions on abortion, but said his position shifted when he saw the majority of Ohio voters supported access to abortion.
He also said his party had to do “so much better… at earning the American people’s trust back on this issue, where they frankly just don’t trust us”.
2) Vance has no answer to Trump 2020 defeat
Walz had his best moment of the night near the end when the focus shifted to the 6 January 2021 riot and election denialism.
In a tense exchange, Vance refused to say that Trump had lost the 2020 election, prompting some disbelief from Walz who called it a “damning non-answer”.
The moderators also raised Vance’s previous comments that he would not have certified the 2020 election results if he had been vice-president at the time.
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Vance maintained his support for Trump, saying the former president had asked demonstrators on the day of the Capitol riot to protest peacefully.
He added that Walz would have his best wishes if the Democrats win the 5 November election, but said there were legitimate questions to raise about voting fraud and security.
Walz said he and his opponent were “miles apart” on the issue of 6 January and election integrity.
3) Middle East tensions loom large
Walz and Vance took the stage just hours after Iran launched a missile attack on Israel – whose prime minister, Benjamin Netanyahu, vowed retaliation.
The ongoing tensions in the Middle East formed the basis of the first question.
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Appearing nervous, Walz stumbled as he repeated Harris’s promise of iron-clad support for Israel.
Vance, meanwhile, reiterated one of Trump’s main talking points: that no new world conflicts broke out during the former president’s time in office.
Neither man would say if they approved of a pre-emptive strike by Israel on Iran.
4) Mics muted after a tussle over immigration
0:51Watch: Mics muted after host fact-checks Vance on Springfield migrants
Immigration was a key topic throughout the 90-minute head-to-head. Vance, a Republican senator from Ohio, frequently returned to the issue of the US southern border and immigration – viewed by many voters as a weakness for his opponents.
Walz, the Democratic governor of Minnesota, countered that Trump helped torpedo bipartisan legislation that would have enacted some of the toughest immigration policy in US history.
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The discussion ultimately turned tense when Vance was asked about false claims he made about Haitian migrants in Springfield, Ohio. Vance and Trump previously shared conspiracy theories that illegal migrants were eating pets in the small city.
When a CBS News moderator tried to correct Vance, the Ohio senator spoke over the hosts – who went on to mute his microphone.
5) ‘I’m a knucklehead at times,’ Walz admits
1:14Walz on Tiananmen claim: I’m a knucklehead at times
Just before the debate, a claim of Walz’s collapsed under scrutiny – that he had been in Hong Kong when the 1989 Tiananmen Square massacre occurred in Beijing.
“I’m a knucklehead at times,” Walz said when asked about it on Tuesday night.
The Minnesota governor clarified that he had misspoken, saying he was influenced by the events because he had arrived in China that summer.
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Vance also was asked to answer for some past comments, including prior attacks on his running mate, Trump, who he once called “America’s Hitler”.
The Ohio senator said he, like many people, has made mistakes in the past. “I was wrong about Donald Trump,” he said.
6) Politeness takes centre-stage
The tone was in stark contrast to Kamala Harris and Donald Trump’s first encounter last month, when insults flew and interruptions were frequent.
Starting off the night with a handshake, both Vance and Walz proceeded to address each other politely and with civility. The two even exchanged smiles periodically, agreeing from time to time with what their rival had said.
They did direct some fire at the top of the ticket, however – Vance taking aim at Harris and Walz at Trump.
With just one day to go, the race for the White House is deadlocked – both at the national level and in the all-important battleground states.
The polls are so close, within the margin of error, that either Donald Trump or Kamala Harris could actually be two or three points better off – enough to win comfortably.
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There is a compelling case to make for why each may have the edge when it comes to building a coalition of voters in the right places, and then ensuring they actually turn out.
Let’s start with the history-making possibility that a defeated president might be re-elected for the first time in 130 years.
Trump could win because…
1. He’s not in power
The economy is the number one issue for voters, and while unemployment is low and the stock market is booming, most Americans say they are struggling with higher prices every day.
Inflation hit levels not seen since the 1970s in the aftermath of the pandemic, giving Trump the chance to ask “Are you better off now than you were four years ago?”
In 2024, voters around the world have several times thrown out the party in power, partly due to the high, post-Covid, cost of living. US voters also seem hungry for change.
Only a quarter of Americans say they are satisfied with the direction the country is going in and two-thirds have a poor economic outlook.
Harris has tried to be the so-called change candidate, but as vice-president has struggled to distance herself from an unpopular Joe Biden.
2. He seems impervious to bad news
Despite the fallout from the 6 January 2021 riot at the US Capitol, a string of indictments and an unprecedented criminal conviction, Trump’s support has remained stable all year at 40% or above.
While Democrats and “Never-Trump” conservatives say he is unfit for office, most Republicans agree when Trump says he’s the victim of a political witch-hunt.
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With both sides so dug in, he just needs to win over enough of the small slice of undecided voters without a fixed view of him.
3. His warnings on illegal immigration resonate
Beyond the state of the economy, elections are often decided by an issue with an emotional pull.
Democrats will hope it’s abortion, while Trump is betting it’s immigration.
After encounters at the border hit record levels under Biden, and the influx impacted states far from the border, polls suggest voters trust Trump more on the immigration – and that he’s doing much better with Latinos than in previous elections.
Trump’s appeal to voters who feel forgotten and left behind has transformed US politics by turning traditional Democratic constituencies like union workers into Republicans and making the protection of American industry by tariffs almost the norm.
If he drives up turnout in rural and suburban parts of swing states this can offset the loss of moderate, college-educated Republicans.
5. He’s seen as a strong man in an unstable world
Trump’s detractors say he undermines America’s alliances by cosying up to authoritarian leaders.
The former president sees his unpredictability as a strength, however, and points out that no major wars started when he was in the White House.
Many Americans are angry, for different reasons, with the US sending billions to Ukraine and Israel – and think America is weaker under Biden.
Despite Trump’s advantages, he remains a deeply polarising figure.
In 2020, he won a record number of votes for a Republican candidate, but was defeated because seven million more Americans turned out to support Biden.
This time, Harris is playing up the fear factor about a Trump return. She’s called him a “fascist” and a threat to democracy, while vowing to move on from “drama and conflict”.
A Reuters/Ipsos poll in July indicated that four in five Americans felt the country was spiralling out of control. Harris will be hoping voters – especially moderate Republicans and independents – see her as a candidate of stability.
2. She’s also not Biden
Democrats were facing near-certain defeat at the point Biden dropped out of the race. United in their desire to beat Trump, the party quickly rallied around Harris. With impressive speed from a standing start, she delivered a more forward-looking message that excited the base.
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While Republicans have tied her to Biden’s more unpopular policies, Harris has rendered some of their Biden-specific attack lines redundant.
The clearest of these is age – polls consistently suggested voters had real concerns about Biden’s fitness for office. Now the race has flipped, and it is Trump who’s vying to become the oldest person to ever win the White House.
This is the first presidential election since the US Supreme Court overturned Roe v Wade and the constitutional right to an abortion.
Voters concerned about protecting abortion rights overwhelmingly back Harris, and we’ve seen in past elections – notably the 2022 midterms – that the issue can drive turnout and have a real impact on the result.
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This time around, 10 states, including the swing state Arizona, will have ballot initiatives asking voters how abortion should be regulated. This could boost turnout in Harris’s favour.
The historic nature of her bid to become the first female president may also strengthen her significant lead among women voters.
4. Her voters are more likely to show up
The groups Harris is polling more strongly with, such as the college-educated and older people, are more likely to vote.
Democrats ultimately perform better with high-turnout groups, while Trump has made gains with relatively low-turnout groups such as young men and those without college degrees.
Trump, for example, holds a huge lead among those who were registered but didn’t vote in 2020, according to a New York Times/Siena poll.
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A key question, then, is whether they will show up this time.
5. She’s raised – and spent – more money
It’s no secret that American elections are expensive, and 2024 is on track to be the most expensive ever.
But when it comes to spending power – Harris is on top. She’s raised more since becoming the candidate in July than Trump has in the entire period since January 2023, according to a recent Financial Times analysis, which also noted that her campaign has spent almost twice as much on advertising.
This could play a role in a razor-tight race that will ultimately be decided by voters in swing states currently being bombarded by political ads.
Kamala Harris, the current vice-president, is the candidate for the Democratic Party. She joined the race after President Joe Biden dropped out and no other Democrats stood against her.
There are also some independent candidates running for president. One of the most prominent was Robert F Kennedy Jr, but he suspended his campaign in August and backed Trump.
The Democrats are the liberal political party, known for supporting civil rights, a social safety net and measures to address climate change.
In the 2024 election, issues highlighted by Harris include tackling the cost-of-living crisis and supporting abortion rights.
The Republicans are the conservative political party. They have stood for lower taxes, shrinking the size of the government and gun rights.
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Issues Trump has campaigned on include tackling illegal immigration and ending inflation to “make America affordable again”.
How does the US presidential election work?
The winner is not the person who gets the most votes overall.
Instead, both candidates compete to win contests held across the 50 states.
Each state has a certain number of so-called electoral college votes, partly based on population. There are a total of 538 up for grabs and the winner is the candidate that gets 270 or more.
All but two states have a winner-takes-all rule, so whichever candidate has the highest number of votes is awarded all of its electoral college votes.
Most states lean heavily towards one party or the other, so the focus is on about seven states where either of them could win. These are known as the battleground or swing states.
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It is possible for a candidate to win the most votes nationally – like Hillary Clinton did in 2016 – but still be defeated.
Most US citizens aged 18 or over are eligible to vote.
Each state has its own voter registration process and deadline.
Who else is being elected in November?
All of the attention will be on who wins the presidency, but voters will also be choosing new members of Congress – where laws are passed – when they fill in their ballots.
Congress consists of the House of Representatives, where all 435 seats are up for election, and the Senate, where 34 seats are being contested.
Republicans currently control the House, which initiates spending plans. Democrats are in charge of the Senate, which votes on key appointments in government.
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These two chambers pass laws and can act as a check on White House plans if the controlling party in either chamber disagrees with the president.
When will we know who has won the election?
Usually the winner is declared on the night of the election, but in 2020 it took a few days to count all the votes.
The period after the election is known as the transition, if there is a change of president.
This gives the new administration time to appoint cabinet ministers and make plans for the new term.
The president is officially sworn into office in January in a ceremony known as the inauguration, held on the steps of the Capitol building in Washington DC.
American voters go to the polls on 5 November to choose their next president.
US election results have sometimes been declared within hours of the polls closing, but this year’s tight contest could mean a longer wait.
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When is the 2024 presidential election result expected?
In some presidential races the victor has been named late on election night, or early the next morning. This time, the knife-edge race in many states could mean media outlets wait longer before projecting who has won.
Democrat Kamala Harris, the current vice-president, and Republican Donald Trump, the former president, have been running neck-and-neck for weeks.
Narrow victories could also mean recounts. In the key swing state of Pennsylvania, for example, a state-wide recount would be required if there’s a half-percentage-point difference between the votes cast for the winner and loser. In 2020, the margin was just over 1.1 percentage points.
0:53BBC’s Sumi Somaskanda explains when a new president will be announced
Legal challenges are also possible. More than 100 pre-election lawsuits have already been filed, including challenges to voter eligibility and voter roll management, by Republicans.
Other scenarios that could cause delays include any election-related disorder, particularly at polling locations.
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On the other hand, vote-counting has sped up in some areas, including the crucial state of Michigan, and far fewer votes will be cast by mail than in the last election, which was during the Covid pandemic.
When have previous presidential election results been announced?
The 2020 election took place on Tuesday 3 November. However, US TV networks did not declare Joe Biden the winner until late morning on Saturday 7 November, after the result in Pennsylvania became clearer.
In other recent elections, voters have had a much shorter wait.
In 2016, when Trump won the presidency, he was declared the winner shortly before 03:00 EST (08:00 GMT) the day after the election.
In 2012, when Barack Obama secured a second term, his victory was projected before midnight on polling day itself.
However, the 2000 election between George W Bush and Al Gore was a notable exception.
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The vote was held on 7 November, but the two campaigns went to war over a tight contest in Florida and the race was not decided until 12 December. The US Supreme Court voted to end the state’s recount process, which kept Bush in place as winner and handed him the White House.
What are the key states to watch in 2024?
Across the country, the first polls will close at 18:00 EST (23:00 GMT) on Tuesday evening and the last polls will close at 01:00 EST (06:00 GMT) early on Wednesday.
But this race is expected to come down to results from seven swing states. These are Arizona, Georgia, Michigan, Nevada, North Carolina, Pennsylvania and Wisconsin.
Polls close at different times in different regions. State-specific rules could prolong counting in some states, while other states may report partial figures moments after the last in-person vote is cast. Also, some absentee and mail-in ballots, including votes by members of the military and Americans living overseas, are normally among the last to be counted.
Georgia – Polls close in the Peach State at19:00 EST (00:00 GMT). Early and mail-in ballots will be counted first, ahead of in-person votes. Georgia’s top election official estimates that about 75% of votes will be counted within the first two hours, with a full tally possible expected by later in the night.
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North Carolina – Polls close thirty minutes after Georgia. North Carolina’s results are expected to be announced before the end of the night, however, complications may arise in areas that were hit by a hurricane in September.
Pennsylvania – Voting ends at 20:00 EST (01:00 GMT) in the Keystone State – the crown jewel of all the swing states in this election cycle. Like Wisconsin, Pennsylvania does not allow counting to begin until the morning of the election, leading to an expected delay in results. Experts agree that it may take at least 24 hours before enough votes are counted for a winner to emerge.
Michigan – Voting concludes at 21:00 EST (02:00 GMT) in the Wolverine State. Michigan allows officials to begin counting votes one week before election day, but they are not allowed to reveal the results until these polls shut. Michigan’s top election official has said that a result should not be expected until the “end of the day” on Wednesday.
Wisconsin – Results should come in shortly after polls close at 21:00 EST for smaller counties. However, it often takes longer for major populations centres to tabulate votes, leading experts to predict that the state won’t have a result until at least Wednesday.
Arizona – Initial results could come as early as22:00 EST (03:00 GMT), however, they won’t paint a complete picture. The state’s largest county says not to expect results until early Wednesday morning. On top of that, postal ballots dropped off on election day could take up to 13 days to count, according to officials in Maricopa County, the largest district in the state.
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Nevada – Votes here could also take days to count, because the state allows mail-in ballots to qualify as long as they were sent on election day and arrive no later than 9 November.