As of the inauguration of forty-fourth President Barack Obama, the sixth youngest President at the time of the start of his Presidency is Grover Cleveland, who started his first tenure as President at the age of 47 years 351 days.
The third youngest President of the United States was Bill Clinton, who was 46 years.
The youngest president was John (Jack) F. Kenedy his inauguration day he was 43 years old.
The youngest President was Theodore Roosevelt, who entered office at the age of 42. He is followed by John F. Kennedy at 43, and Bill Clinton at 46 as the youngest presidents ever to take office.Theodore Roosevelt was 42 when he became president after the death of McKinley.
Kennedy was the youngest person to be elected president. He was also the youngest president to die when he was killed.
14th Vice President John C. Breckinridge (36)
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Bill Clinton (46)
The third youngest is Sooyoung.
When he took office he was 46. In 2012 he turned 66.
JFK was the youngest elected to the presidentcy and only catholic. He wasnt the youngest president.
The youngest president to die in office was President John F Kennedy.
Bill Clinton had served two terms. HE was the governor of Arkansas before he became president. Bill Clinton is the first president to be a Rhodes Scholar. He became president after the Cold War. He is the third youngest president.
Technically John F. Kennedy was elected the youngest but the youngest president in office was Roosevelt. (Roosevelt was elected Vice President in 1900 and became President when President William McKinley was assassinated.)
Theodore Roosevelt was the youngest president of USA. He was (43 years,10months,18days) when he was elected as the president
Liam is the very third youngest.
Theodore Roosevelt was the youngest person to assume the office of President of the United States. Roosevelt was age 42 years and 322 days when he became President following William McKinley's assassination. The youngest person elected President was John F. Kennedy. Kennedy was inaugurated into office at the age of 43 years and 236 days.
As of 2017, the youngest US president was Theodore Roosevelt, who was only 42 when he took office.