[TABLECONTEXT]:PRESIDENT:John Quincy Adams####[TABLECONTEXT]:[TITLE]:List of Presidents of the United States by age####John Quincy Adams:DURATION:2 years, 260 days####John Quincy Adams:AGE_AT_END_DATE:80 years, 227 days
John Quincy Adams served as the US President for 2 years, 260 days, with an age 80 years, 227 days at his end date.