Voters in the US go to the polls on 5 November to elect their next president.
The election was initially a rematch of 2020 but it was upended in July when President Joe Biden ended his campaign and endorsed Vice-President Kamala Harris.
The big question now is – will America get its first woman president or a second Donald Trump term?
As election day approaches, we’ll be keeping track of the polls and seeing what effect the campaign has on the race for the White House.
Who is leading national polls?
Harris is ahead of Trump in the national polling averages as shown in the chart below, with the latest figures rounded to the nearest whole number.
In the months leading up to Biden’s decision to drop out, polls consistently showed him trailing former president Trump. But the race tightened when Harris hit the campaign trail and she developed a small lead that she has maintained since.
The two candidates went head to head in a televised debate in Pennsylvania on 10 September that just over 67 million people tuned in to watch. A couple of snap polls released immediately after the debate found that most viewers thought Harris had been the better performer.
Anthony Zurcher analysis: Who won the Harris-Trump debate?
Watch key moments from Harris-Trump clash
A majority of national polls carried out since then suggest that Harris has made some small gains and while her polling average hasn’t moved much, her lead increased slightly from 2.5 percentage points on the day of the debate to 2.9 points a week later.
That marginal boost was mostly down to Trump’s numbers though. His average had been rising ahead of the debate, but it fell by half a percentage point in the week afterwards.
You can see those small changes in the poll tracker chart below, with the trend lines showing how the averages have changed and the dots showing the individual poll results for each candidate.