Youngest and oldest U.S. presidents

When U.S. voters go to the polls in November, they will choose between the two oldest presidential candidates in the country’s history – 74-year-old incumbent Donald Trump, and Democrat Joe Biden, 77


AGE OF U.S. PRESIDENTS AT FIRST INAUGURATION
Year of inauguration

Democrat
Republican
Whig

42
Theodore Roosevelt
1901
Youngest to assume presidency

43
John F. Kennedy
1961
Youngest elected president

46 (+154 days)
Bill Clinton
1993

46 (+311 days)
Ulysses S. Grant
1869

47
Barack Obama 
2009

Average age: 55

65
James Buchanan 
1857

68
William Henry Harrison 
1841

69 
Ronald Reagan
1981
Oldest serving U.S. president, aged 77 when he left office in 1989
      
70 
Donald Trump
2017
Oldest ever U.S. president to enter office

78 
Joe Biden
Would become oldest president if inaugurated in 2021                                      

40 50 60 70 80
            

Sources: Robert S. Summers, The White House 
Pictures: AP, Wikimedia 
© GRAPHIC NEWS