List of presidents of the United States by age
The median age upon accession to the presidency is 55 years and 3 months. This is how old Lyndon B. Johnson was at the time of his inauguration. The youngest person to assume the office was Theodore Roosevelt, who became president at the age of , following William McKinley's assassination; the oldest was Donald Trump, who was old at his inauguration. The youngest person to be elected president was John F. Kennedy, at of age on election day; the oldest was Ronald Reagan, who was old at the time of his election to a second term.
Jimmy Carter
James Earl Carter Jr. was born on October 1, 1924, at the Wise Sanitarium (now the Lillian G. Carter Nursing Center) in Plains, Georgia, a hospital where his mother was employed as a registered nurse. Carter was the first U.S. president to be born in a hospital. He was the eldest son of Bessie Lillian () and James Earl Carter Sr. Carter is a descendant of English immigrant Thomas Carter, who settled in Virginia in 1635. Numerous generations of Carters lived as cotton farmers in Georgia. Carter is also a descendant of Thomas Cornell, an ancestor of Cornell University's founder, and is distantly related to Richard Nixon and Bill Gates.
Plains was a boomtown of 600 people at the time of Carter's birth. Carter's father was a successful local businessman, who ran a general store, and was an investor in farmland. He previously served as a reserve second lieutenant in the U.S. Army's Quartermaster Corps during World War I.