Currently Running
Democrats
Former Vice President Joe Biden, 76
Former New York City mayor Michael Bloomberg, 77
Rep. Tulsi Gabbard (Hawaii), 38
Sen. Amy Klobuchar (Minn.), 59
Sen. Bernie Sanders (Vt.), 78
Sen. Elizabeth Warren (Mass.), 70
Republicans
President Donald Trump, 73
William Weld, former governor of Massachusetts, 74
Dropped out of the race
Bill de Blasio, New York City mayor, 58
Sen. Kirsten Gillibrand (N.Y.), 52
John Hickenlooper, former governor of Colorado, 67
Washington Gov. Jay Inslee, 68
Rep. Seth Moulton (Mass.), 40
Richard Ojeda, former state senator in West Virginia, 48
Rep. Eric Swalwell (Calif.), 38
Rep. Tim Ryan (Ohio), 46
Beto O’Rourke, former House representative from Texas, 47
Mark Sanford, former House representative and governor from South Carolina, 59
Wayne Messam, mayor of Miramar, Fla., 45
Montana Gov. Steve Bullock, 53
Joe Sestak, former House representative from Pennsylvania, 67
Sen. Kamala Harris (Calif.), 54
Julián Castro, former Housing secretary, 45
Marianne Williamson, author, 67
Sen. Cory Booker (N.J.), 50
John Delaney, former House representative from Maryland, 56
Joe Walsh, radio show host and former U.S. representative for Illinois, 57
Andrew Yang, technology executive, 44
Sen. Michael Bennet (Colo.), 54
Deval Patrick, former governor of Mass., 63
Tom Steyer, billionaire, 62
Pete Buttigieg, mayor of South Bend, Ind., 37