Biden may be ahead in the polls, but key battlegrounds that the Democrats lost unexpectedly in 2016 could come through again for Trump on 3 November. Use our simulator to build your own election result map
• US swing state polls tracker
The electoral map has shifted in 2020, amid new challenges from misinformation to mail-in ballots. Previously reliable states on both sides are now looking more competitive.
In the interactive graphic below, you decide which way these closer states will vote, and try to pave Joe Biden or Donald Trump’s path to victory.