List of presidents of the United States by age

The median age upon accession to the presidency is 55 years and 3 months. Six presidents have lived into their 90s; Jimmy Carter became the oldest to acquire the distinction at age 94. The chart below shows all presidents, as well as the current president-elect, with their ages during their presidencies highlighted in blue.

About List of presidents of the United States by age in brief

Summary List of presidents of the United States by ageThe median age upon accession to the presidency is 55 years and 3 months. The youngest person to assume the presidency was Theodore Roosevelt, who, at the age of 42 years, 322 days, succeeded to the office after the assassination of William McKinley. The oldest living president is Jimmy Carter, born October 1, 1924. On March 22, 2019, he also became the nation’s longest-lived president, surpassing the lifespan of George H. W. Bush. Six presidents have lived into their 90s; Jimmy Carter became the oldest to acquire the distinction at age 94.

Of the 44 people who have served as president, 24 have become the oldest such individual of their time, with one, William Howard Taft, doing so twice. The chart below shows all presidents, as well as the current president-elect, with their ages during their presidencies highlighted in blue. It also includes the six nonagenarian presidents, arranged by lifespan.