There are now just five surviving US presidents, but who is the oldest? Here’s how they rank by age:

Joe Biden, served 2021 – present, age 82
Donald Trump, served 2017-2021 and president-elect, age 78
George W Bush, served 2001 – 2009, age 78 (he is 22 days younger than Trump)
Bill Clinton, served 1993 – 2001, age 78 (he is 44 days younger than Bush)
Barack Obama, served 2009 – 2017, age 63