What is a swing state and why are they important?published at 10:29 Greenwich Mean Time
Swing states - also referred to as battleground states - are those where both candidates stand a chance of winning as power can shift from one party to another, hence the reference to swinging.
Voting in swing states is hard to predict but, in the final stretch leading up to polling day, presidential nominees Kamala Harris and Donald Trump have been spending much of their time and effort in these places.
This year's race to the White House will likely come down to seven key swing states: Pennsylvania, Wisconsin, North Carolina, Georgia, Michigan, Arizona and Nevada.
Voters in some of these states tell the BBC what it's like to live in a swing state during an election and who they plan to vote for.
And if you're keen to know more about the history of swing states, this handy video tracks when the term first became popularised.