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.
Arthur James Armstrong
(Arthur) James Armstrong (September 17, 1924 – July 17, 2018) was a Bishop of the United Methodist Church Elected in 1968, he became the youngest Methodist bishop in the United States at the age of 43. As President of the National Council of Churches he was called "the most influential religious leader in America" by the "U.S. News and World Report" in 1982.