The election is on November 5, 2024, with a four-year term starting January 2025.
Candidates are chosen through state primaries and caucuses held by the Republican and Democrat parties.
Donald Trump is the Republican nominee, secured at a convention in Milwaukee.
Kamala Harris is close to securing the Democratic nomination after Biden's decision not to run.
Robert F. Kennedy Jr. is a notable independent candidate running for president.
The election is decided by winning 270 of the 538 electoral votes, not the popular vote.
Most states use a winner-takes-all rule, except two, with focus on swing states.