List of presidents of the United States by time in office - wikipedia List of presidents of the United States by time in office Franklin D. Roosevelt Longest presidency 4,422 days 1933 -- 1945 William Henry Harrison Shortest presidency 31 days 1841 This is a list of Presidents of the United States by time in office. The basis of the list is the difference between dates ; if counted by number of calendar days all the figures would be one greater, with the exception of Grover Cleveland, who would receive two days. Since 1789, there have been 44 people sworn into office as President of the United States, and 45 presidencies, as Grover Cleveland served two non-consecutive terms and is counted chronologically as both the 22nd and 24th president. Of the individuals elected president, four ( William Henry Harrison, Zachary Taylor, Warren G. Harding, and Franklin D. Roosevelt ) died of natural causes while in office, four ( Abraham Lincoln, James A. Garfield, William McKinley, and John F. Kennedy ) were assassinated, and one ( Richard Nixon ) resigned. William Henry Harrison spent the shortest time in office, and Franklin D. Roosevelt spent the longest. He is the only president to have served more than two terms. Presidents since Dwight D. Eisenhower have been constitutionally limited to two terms under the 22nd Amendment. For the incumbent, this list is accurate as of October 10, 2017. Contents 1 Presidents by time in office 1.1 Notes 2 References 3 External links Presidents by time in office Rank President Length in days Order of presidency General details Franklin D. Roosevelt 4,422 32 Served three full terms. Died 2 months and 23 days into his fourth term. tie Thomas Jefferson 2,922 Served two full terms. James Madison 2,922 Served two full terms. James Monroe 2,922 Served two full terms. Andrew Jackson 2,922 7 Served two full terms. Ulysses S. Grant 2,922 18 Served two full terms. In 1880, he sought but did not win renomination. Grover Cleveland 2,922 22 / 24 Served two full terms ; non-consecutively. Woodrow Wilson 2,922 28 Served two full terms. Dwight D. Eisenhower 2,922 34 Served two full terms. Ronald Reagan 2,922 40 Served two full terms. Bill Clinton 2,922 42 Served two full terms. George W. Bush 2,922 43 Served two full terms. Barack Obama 2,922 44 Served two full terms. 14 George Washington 2,865 Served two full terms. 15 Harry S. Truman 2,840 33 Served the remaining 3 years, 9 months, and 8 days of Franklin D. Roosevelt 's fourth term. Served a full term. Withdrew from the race for renomination. 16 Theodore Roosevelt 2,728 26 Served the remaining 3 years, 5 months, and 18 days of McKinley 's second term. Served a full term. Did not seek reelection in 1908. In 1912, he was defeated for another term as president. 17 Calvin Coolidge 2,041 30 Served the remaining 1 year, 7 months, and 2 days of Harding 's term. Served a full term. Did not seek renomination. 18 Richard Nixon 2,027 37 Served one full term. Resigned 1 year, 6 months, and 20 days into his second term. 19 Lyndon B. Johnson 1,886 36 Served the remaining 1 year, 1 month, and 29 days of Kennedy 's term. Served a full term. Withdrew from the race for renomination. 20 William McKinley 1,654 25 Served one full term. Assassinated 6 months and 2 days into his second term, dying 8 days later, 6 months and 10 days into that term. 21 Abraham Lincoln 1,503 16 Served one full term. Assassinated 1 month and 10 days into his second term, dying 1 day later, 1 month and 11 days into that term. 22 tie John Quincy Adams 1,461 6 Served one full term. Lost reelection. Martin Van Buren 1,461 8 Served one full term. Lost reelection in 1840. In 1844, attempted, but failed, to be renominated for a nonconsecutive term by his party. In 1848, ran ( and lost ) on the Free Soil Party platform. James K. Polk 1,461 11 Served one full term. Did not seek a second term. Franklin Pierce 1,461 14 Served one full term. Lost renomination. James Buchanan 1,461 15 Served one full term. Did not seek a second term. Rutherford B. Hayes 1,461 19 Served one full term. Did not seek a second term. Benjamin Harrison 1,461 23 Served one full term. Lost reelection. William Howard Taft 1,461 27 Served one full term. Lost reelection. Herbert Hoover 1,461 31 Served one full term. Lost reelection. Jimmy Carter 1,461 39 Served one full term. Lost reelection. George H.W. Bush 1,461 41 Served one full term. Lost reelection. 33 John Adams 1,460 Served one full term. Lost reelection. 34 John Tyler 1,430 10 Served the remaining 3 years and 11 months of William H. Harrison 's term. Lost nomination for a full term. 35 Andrew Johnson 1,419 17 Served the remaining 3 years, 10 months, and 17 days of Lincoln 's second term. Lost nomination for a full term. 36 Chester A. Arthur 1,262 21 Served the remaining 3 years, 5 months, and 13 days of Garfield 's term. Lost nomination for a full term. 37 John F. Kennedy 1,036 35 Assassinated 2 years, 10 months, and 2 days into his term. 38 Millard Fillmore 969 13 Served the remaining 2 years, 7 months, and 23 days of Taylor 's term. Lost nomination for a full term in 1852. Lost election in 1856. 39 Gerald Ford 895 38 Served the remaining 2 years, 5 months, and 11 days of Nixon 's second term. Lost election for a full term. 40 Warren G. Harding 881 29 Died 2 years, 4 months, and 29 days into his term. 41 Zachary Taylor 492 12 Died 1 year, 4 months, and 5 days into his term. 42 Donald Trump 7002263000000000000 ♠ 263 45 Incumbent, serving his first term of office. 43 James A. Garfield 199 20 Assassinated 3 months and 28 days after taking office, dying 79 days later, 6 months and 15 days into his term. 44 William Henry Harrison 31 9 Died of pneumonia 31 days into his term. Notes Jump up ^ The 20th Amendment ( ratified in 1933 ) moved Inauguration Day from March 4 to January 20. The 1937 presidential inauguration was the first to take place on the new date. As a result, Franklin Roosevelt 's first term in office ( 1933 -- 1937 ) was only 1,418 days long, 1 month and 12 days shorter than a normal term. ^ Jump up to : Of years evenly divisible by 100, only those evenly divisible by 400 are leap years. The years 1800 and 1900 are divisible by 100, but not by 400. Thus, John Adams 's term and McKinley 's first term did not include a 366 - day leap year, so those terms were one day shorter than a normal full term. The year 2000 is divisible by 400 and so did include one, thus Clinton 's second term was not shorter than his first. Jump up ^ Due to logistical delays, Washington 's first inauguration was held 1 month and 26 days after the scheduled start of operations of the new government under the Constitution of the United States. As a result, his first term was only 1,404 days long, and was the shortest term for a U.S. president who neither died in office nor resigned. Jump up ^ The 22nd Amendment ( ratified in 1951 ) made a president ineligible for election to a third term or for election to a second full term after serving more than two remaining years of a term of a previously elected president. The latter clause would have applied to Truman 's situation in 1952 except that a grandfather clause in the amendment explicitly excluded the amendment from applying to the incumbent president. References Jump up ^ Cleaves, Freeman ( 1939 ). Old Tippecanoe : William Henry Harrison and His Time. C. Scribner 's Sons. p. 152. Jump up ^ Ingersoll, Jared. `` Death of the President ''. University of Virginia 's Miller Center of Public Affairs. Retrieved November 2, 2010. Jump up ^ Russell, Francis ( 1962 ). The Shadow of Blooming Grove -- Warren G. Harding in His Times. Easton Press. p. 591. ISBN 0070543380. ^ Jump up to : Martin, Paul `` Lincoln 's Missing Bodyguard '', Smithsonian Magazine, April 8, 2010, Retrieved November 15, 2010 Jump up ^ Donald ( 1996 ), p. 597. Jump up ^ `` Big Ben Parker and President McKinley 's Assassination ''. Math.buffalo.edu. Retrieved August 8, 2011. Jump up ^ `` Nixon Resigns ''. The Washington Post. Retrieved December 31, 2008. External links Wikimedia Commons has media related to President of the United States. 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Question: who was the president that served 3 terms
Answer: Franklin D. Roosevelt