Joseph R. Biden

Democratic

Opponents (Received at least 1% of vote)

Marianne Williamson

Democratic • 2024 Democratic Presidential Primary

Dean Phillips

Democratic • 2024 Democratic Presidential Primary

Donald J. Trump

Republican • 2020 General

Bernie Sanders

Democratic • 2020 Democratic Primary

Elizabeth Warren

Democratic • 2020 Democratic Primary

Michael R. Bloomberg

Democratic • 2020 Democratic Primary

Pete Buttigieg

Democratic • 2020 Democratic Primary

Andrew Yang

Democratic • 2020 Democratic Primary

Hillary Rodham Clinton

Democratic • 2008 Democratic Presidential Primary

Barack Obama

Reform • 2008 Democratic Presidential Primary

John Edward

Democratic • 2008 Democratic Presidential Primary