As of 2017, the youngest US president was Theodore Roosevelt, who was only 42 when he took office.
Thirty eight
Theodore Roosevelt was sworn into office when he was 42 years old in 1901. This made him the youngest person to ever become the President of the US.
When Theodore Roosevelt was sworn in as US President on 14 September 1901, he was the youngest President at age 42.
When Theodore Roosevelt became President, he was aged 42. He was the youngest US President at that time.
Kennedy was the youngest elected US president.
Theodore Roosevelt
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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.)
John F. Kennedy was the youngest president that time he was inaugurated. He was approximately 43 years old.
its 35 but the youngest so far was 42 tedi rosevelt
bill clinton
No, John F. Kennedy was the youngest person to be elected to the office of President of the United States at the age of 43 years, 236 days. The youngest person to assume the office of President of the United States was Theodore Roosevelt, who, as Vice President, at the age of 42, became President after the assassination of President William McKinley. President Barack Obama is the youngest living President and the fifth-youngest person inaugurated as President, at 47 years and 169 days old.