Mayor Pete Buttigieg is currently 37, and would be 39 years and 1 day old upon taking office.
Rep. Tulsi Gabbard is currently 38 years old, and would be 39 years and 283 days old upon taking office.
Rep. Eric Swalwell is also 38 years old. He would be 40 years and 65 days old on Inauguration Day 2021.
Rep. Seth Moulton of Massachusetts is 40 years old, and would be 42 years and 88 days old upon taking the oath of office.
Andrew Yang is currently 44 years old, and would be 46 years and 7 days old on Inauguration Day.
Former HUD Secretary Julian Castro is also 44 years old, and would be 46 years old and 126 days upon taking office.
Miramar, Florida Mayor Wayne Messam is 44 years old. He would be 45 years and 228 days old upon taking office.
Rep. Tim Ryan is 45. He would be 47 years and 188 days old upon assuming the presidency.
Former. Rep. Beto O'Rourke of Texas is currently 46, and would be 48 years old and 116 days old on Inauguration Day.
Sen. Cory Booker turns 50 on April 27. If elected, he would be 51 years old and 268 days when assuming office.
Sen. Kirsten Gillibrand of New York is 52 years old. She would be 54 years and 42 days old upon taking office.
Sen. Kamala Harris is 54, and would be 56 years and 92 days old upon taking office.
Rep. John Delaney is 56, and would be 57 years and 249 days old when taking office.
Sen. Amy Klobuchar is 58. She would be 60 years old and 240 days old on Inauguration Day.
Marianne Williamson is 66 years old, and would be 68 years and 196 days upon taking office.
Gov. John Hickenlooper is also 66. He will be 68 years and 348 days on Inauguration Day.
Gov. Jay Inslee is 68 years old, and would be 69 years and 346 days old when assuming office.
Sen. Elizabeth Warren is currently 69. She would be 71 years and 212 days upon taking office in 2021.
Former Vice President Joe Biden is 76 now, and would be 78 years and 61 days old on Inauguration Day 2021.
Sen. Bernie Sanders is currently 77. He would be 79 years and 134 days old upon assuming office.
