Millions of Americans will head to the polls in person on Tuesday, adding their ballots to the more than 99 million already cast by early voters.
Donald Trump, 74, is seeking to avoid becoming the first incumbent president to lose a re-election fight since George HW Bush in 1992
National polls show Democratic candidate Joe Biden, 77, with a broad lead, but the race is close in key battleground states needed to win the presidency
Record early voting has been fuelled by the pandemic and the US is on course for its highest electoral turnout in more than a century
The election comes after America’s worst-ever week for new coronavirus cases, with more than 1,000 people dying each day
The first polls close at 23:00GMT (18:00EST) in the eastern US, but will be open until 06:00GMT Wednesday in Alaska
Rules around processing mail-in ballots vary across the country, so in some states counting will not finish on election night