If John McCain is elected president, when he took the oath next January he would be the oldest person ever to assume the office, nearly 2½ years older than Reagan was.
If Hillary Clinton is elected president, when she took the oath next January she would be the ninth oldest person to assume the office.
If Barack Obama is elected, when he took the oath next January he would be the fifth youngest person to assume the office. Only Theodore Roosevelt, John Kennedy, Ulysses Grant and Bill Clinton were younger.
McCain will be 72 years, four months and 22 days old on January 20th. Clinton 61 years, two months and 25 days. Obama 47 years, five months and 16 days.