List of presidents of the United States by age - wikipedia List of presidents of the United States by age This is a list of presidents of the United States by age. The first table charts the age of each United States president at the time of presidential inauguration ( first inauguration if elected to multiple and consecutive terms ), upon leaving office, and at the time of death. Each president 's lifespan ( age at death ) is measured in two ways, to allow for the differing number of leap days that each experienced. The first figure is the number of days between the president 's date of birth and date of death, allowing for leap days ; in parentheses, the same period is given in years and days, with the years being the number of whole years that the president lived, and the days being the number of days since the last birthday. Where the president is still living, their lifespan is calculated up to August 29, 2018. The second table includes those presidents who had the distinction among their peers of being the oldest living president, and charts both when they became and ceased to be oldest living. Contents 1 Age of U.S. presidents 2 Table 2.1 Notes 3 Oldest living U.S. presidents 4 References 5 Sources Age of U.S. presidents See also : Lifespan timeline of Presidents of the United States Age of presidents when assuming office approximately follows a bell curve ( mean age marked by red line, c. 55.5 years ) The median age upon accession to the presidency is 55 years and 3 months. This is how old Lyndon B. Johnson was at the time of his inauguration. The youngest person to assume the office was Theodore Roosevelt, who became president at the age of 42 years, 322 days, following William McKinley 's assassination ; the oldest was Donald Trump, who was 70 years, 220 days old at his inauguration. The youngest person to be elected president was John F. Kennedy, at 43 years, 163 days of age on election day ; the oldest was Ronald Reagan, who was 73 years, 274 days old at the time of his election to a second term. Assassinated three years into his term, John F. Kennedy was the youngest at the time of leaving office ( 46 years, 177 days ) ; the youngest president to leave office at the conclusion of a normal transition was Theodore Roosevelt ( 50 years, 128 days ). The oldest at the time of leaving office was Ronald Reagan ( 77 years, 349 days ). Born on May 29, 1917, John F. Kennedy was younger than four of his successors, the greatest number to date : Lyndon Johnson ( 8 years, 9 months, and 2 days ) ; Ronald Reagan ( 6 years, 3 months, and 23 days ) ; Richard Nixon ( 4 years, 4 months, and 16 days ) ; and Gerald Ford ( 3 years, 10 months, and 15 days ). Born on February 6, 1911, Ronald Reagan was older than four of his predecessors, the greatest number to date : Richard Nixon ( 1 year, 11 months, and 7 days ) ; Gerald Ford ( 2 years, 5 months, and 8 days ) ; John F. Kennedy ( 6 years, 3 months, and 23 days ) ; and Jimmy Carter ( 13 years, 7 months, and 25 days ). Three presidents -- Donald Trump, George W. Bush, and Bill Clinton -- were born in 1946 ( all within the span of 9 weeks ). This is the only calendar year in which three presidents have been born. Two presidents -- James K. Polk and Warren G. Harding -- were born on November 2 ( 70 years apart ). This is the only day of the year having the birthday of multiple presidents. The oldest living U.S. president is George H.W. Bush, born June 12, 1924 ( age 94 years, 78 days ). On November 25, 2017, he also became the longest - lived president, surpassing the lifespan of Gerald Ford, who died at the age of 93 years, 165 days. The second oldest living president, Jimmy Carter, has the distinction of having the longest post-presidency in U.S. history, currently at 37 years, 221 days. He surpassed the previous record, held by Herbert Hoover ( 31 years, 230 days ) on September 7, 2012. The youngest living president is Barack Obama, born August 4, 1961 ( age 57 years, 25 days ). The shortest - lived president to have died by natural causes ( thereby excluding John F. Kennedy and James A. Garfield, who were both assassinated ) was James K. Polk, who died of cholera at the age of 53 years, 225 days ; only 103 days after leaving office. Six U.S. presidents have lived into their 90s, with two of them currently alive. They are ( in order of birth ) : John Adams ( aged 90 years, 247 days ) Herbert Hoover ( aged 90 years, 71 days ) Ronald Reagan ( aged 93 years, 120 days ) Gerald Ford ( aged 93 years, 165 days ) George H.W. Bush ( age 94 years, 78 days ) Jimmy Carter ( age 93 years, 332 days ) Table President Birth date Start of presidency End of presidency Post-presidency Death Date Age Date Age timespan Date Age 01 George Washington Feb 22, 1732 Apr 30, 1789 7004208870000000000 ♠ 57 years, 67 days Mar 4, 1797 7004237520000000000 ♠ 65 years, 10 days 7003101500000000000 ♠ 2 years, 285 days Dec 14, 1799 7004247670000000000 ♠ 67 years, 295 days 02 John Adams Oct 30, 1735 Mar 4, 1797 7004224060000000000 ♠ 61 years, 125 days Mar 4, 1801 7004238660000000000 ♠ 65 years, 125 days 7003925300000000000 ♠ 25 years, 122 days Jul 4, 1826 7004331190000000000 ♠ 90 years, 247 days 03 Thomas Jefferson Apr 13, 1743 Mar 4, 1801 7004211440000000000 ♠ 57 years, 325 days Mar 4, 1809 7004240660000000000 ♠ 65 years, 325 days 7003633100000000000 ♠ 17 years, 122 days Jul 4, 1826 7004303970000000000 ♠ 83 years, 82 days 04 James Madison Mar 16, 1751 Mar 4, 1809 7004211720000000000 ♠ 57 years, 353 days Mar 4, 1817 7004240940000000000 ♠ 65 years, 353 days 7003705600000000000 ♠ 19 years, 116 days Jun 28, 1836 7004311500000000000 ♠ 85 years, 104 days 05 James Monroe Apr 28, 1758 Mar 4, 1817 7004214940000000000 ♠ 58 years, 310 days Mar 4, 1825 7004244160000000000 ♠ 66 years, 310 days 7003231300000000000 ♠ 6 years, 122 days Jul 4, 1831 7004267290000000000 ♠ 73 years, 67 days 06 John Q. Adams Jul 11, 1767 Mar 4, 1825 7004210550000000000 ♠ 57 years, 236 days Mar 4, 1829 7004225160000000000 ♠ 61 years, 236 days 7003693000000000000 ♠ 18 years, 356 days Feb 23, 1848 7004294460000000000 ♠ 80 years, 227 days 07 Andrew Jackson Mar 15, 1767 Mar 4, 1829 7004226340000000000 ♠ 61 years, 354 days Mar 4, 1837 7004255560000000000 ♠ 69 years, 354 days 7003301800000000000 ♠ 8 years, 96 days Jun 8, 1845 7004285740000000000 ♠ 78 years, 85 days 08 Martin Van Buren Dec 5, 1782 Mar 4, 1837 7004198120000000000 ♠ 54 years, 89 days Mar 4, 1841 7004212730000000000 ♠ 58 years, 89 days 7003781200000000000 ♠ 21 years, 142 days Jul 24, 1862 7004290850000000000 ♠ 79 years, 231 days 09 William H. Harrison Feb 9, 1773 Mar 4, 1841 7004248590000000000 ♠ 68 years, 23 days Apr 4, 1841 7004248900000000000 ♠ 68 years, 54 days 00,000 0 days Apr 4, 1841 7004248900000000000 ♠ 68 years, 54 days 10 John Tyler Mar 29, 1790 Apr 4, 1841 7004186330000000000 ♠ 51 years, 6 days Mar 4, 1845 7004200630000000000 ♠ 54 years, 340 days 7003616400000000000 ♠ 16 years, 320 days Jan 18, 1862 7004262270000000000 ♠ 71 years, 295 days 11 James K. Polk Nov 2, 1795 Mar 4, 1845 7004180190000000000 ♠ 49 years, 122 days Mar 4, 1849 7004194800000000000 ♠ 53 years, 122 days 7002103000000000000 ♠ 103 days Jun 15, 1849 7004195830000000000 ♠ 53 years, 225 days 12 Zachary Taylor Nov 24, 1784 Mar 4, 1849 7004234750000000000 ♠ 64 years, 100 days Jul 9, 1850 7004239670000000000 ♠ 65 years, 227 days 00,000 0 days Jul 9, 1850 7004239670000000000 ♠ 65 years, 227 days 13 Millard Fillmore Jan 7, 1800 Jul 9, 1850 7004184450000000000 ♠ 50 years, 183 days Mar 4, 1853 7004194140000000000 ♠ 53 years, 56 days 7003767400000000000 ♠ 21 years, 4 days Mar 8, 1874 7004270880000000000 ♠ 74 years, 60 days 14 Franklin Pierce Nov 23, 1804 Mar 4, 1853 7004176330000000000 ♠ 48 years, 101 days Mar 4, 1857 7004190940000000000 ♠ 52 years, 101 days 7003460100000000000 ♠ 12 years, 218 days Oct 8, 1869 7004236950000000000 ♠ 64 years, 319 days 15 James Buchanan Apr 23, 1791 Mar 4, 1857 7004240560000000000 ♠ 65 years, 315 days Mar 4, 1861 7004255170000000000 ♠ 69 years, 315 days 7003264600000000000 ♠ 7 years, 89 days Jun 1, 1868 7004281630000000000 ♠ 77 years, 39 days 16 Abraham Lincoln Feb 12, 1809 Mar 4, 1861 7004190130000000000 ♠ 52 years, 20 days Apr 15, 1865 7004205160000000000 ♠ 56 years, 62 days 00,000 0 days Apr 15, 1865 7004205160000000000 ♠ 56 years, 62 days 17 Andrew Johnson Dec 29, 1808 Apr 15, 1865 7004205610000000000 ♠ 56 years, 107 days Mar 4, 1869 7004219800000000000 ♠ 60 years, 65 days 7003234000000000000 ♠ 6 years, 149 days Jul 31, 1875 7004243200000000000 ♠ 66 years, 214 days 18 Ulysses S. Grant Apr 27, 1822 Mar 4, 1869 7004171130000000000 ♠ 46 years, 311 days Mar 4, 1877 7004200350000000000 ♠ 54 years, 311 days 7003306300000000000 ♠ 8 years, 141 days Jul 23, 1885 7004230980000000000 ♠ 63 years, 87 days 19 Rutherford B. Hayes Oct 4, 1822 Mar 4, 1877 7004198750000000000 ♠ 54 years, 151 days Mar 4, 1881 7004213360000000000 ♠ 58 years, 151 days 7003433700000000000 ♠ 11 years, 319 days Jan 17, 1893 7004256730000000000 ♠ 70 years, 105 days 20 James A. Garfield Nov 19, 1831 Mar 4, 1881 7004180030000000000 ♠ 49 years, 105 days Sep 19, 1881 7004182020000000000 ♠ 49 years, 304 days 00,000 0 days Sep 19, 1881 7004182020000000000 ♠ 49 years, 304 days 21 Chester A. Arthur Oct 5, 1829 Sep 19, 1881 7004189770000000000 ♠ 51 years, 349 days Mar 4, 1885 7004202390000000000 ♠ 55 years, 150 days 7002624000000000000 ♠ 1 year, 259 days Nov 18, 1886 7004208630000000000 ♠ 57 years, 44 days 22 Grover Cleveland Mar 18, 1837 Mar 4, 1885 7004175180000000000 ♠ 47 years, 351 days Mar 4, 1889 7004189790000000000 ♠ 51 years, 351 days 15 years, 112 days Jun 24, 1908 7004260300000000000 ♠ 71 years, 98 days 23 Benjamin Harrison Aug 20, 1833 Mar 4, 1889 7004202850000000000 ♠ 55 years, 196 days Mar 4, 1893 7004217460000000000 ♠ 59 years, 196 days 7003293000000000000 ♠ 8 years, 9 days Mar 13, 1901 7004246760000000000 ♠ 67 years, 205 days 24 Grover Cleveland Mar 18, 1837 Mar 4, 1893 7004204400000000000 ♠ 55 years, 351 days Mar 4, 1897 7004219010000000000 ♠ 59 years, 351 days 15 years, 112 days Jun 24, 1908 7004260300000000000 ♠ 71 years, 98 days 25 William McKinley Jan 29, 1843 Mar 4, 1897 7004197580000000000 ♠ 54 years, 34 days Sep 14, 1901 7004214120000000000 ♠ 58 years, 228 days 00,000 0 days Sep 14, 1901 7004214120000000000 ♠ 58 years, 228 days 26 Theodore Roosevelt Oct 27, 1858 Sep 14, 1901 7004156620000000000 ♠ 42 years, 322 days Mar 4, 1909 7004183900000000000 ♠ 50 years, 128 days 7003359500000000000 ♠ 9 years, 308 days Jan 6, 1919 7004219850000000000 ♠ 60 years, 71 days 27 William H. Taft Sep 15, 1857 Mar 4, 1909 7004187970000000000 ♠ 51 years, 170 days Mar 4, 1913 7004202580000000000 ♠ 55 years, 170 days 7003621300000000000 ♠ 17 years, 4 days Mar 8, 1930 7004264710000000000 ♠ 72 years, 174 days 28 Woodrow Wilson Dec 28, 1856 Mar 4, 1913 7004205190000000000 ♠ 56 years, 66 days Mar 4, 1921 7004234410000000000 ♠ 64 years, 66 days 7003106600000000000 ♠ 2 years, 336 days Feb 3, 1924 7004245070000000000 ♠ 67 years, 37 days 29 Warren G. Harding Nov 2, 1865 Mar 4, 1921 7004202100000000000 ♠ 55 years, 122 days Aug 2, 1923 7004210910000000000 ♠ 57 years, 273 days 00,000 0 days Aug 2, 1923 7004210910000000000 ♠ 57 years, 273 days 30 Calvin Coolidge Jul 4, 1872 Aug 2, 1923 7004186550000000000 ♠ 51 years, 29 days Mar 4, 1929 7004206960000000000 ♠ 56 years, 243 days 7003140300000000000 ♠ 3 years, 307 days Jan 5, 1933 7004220990000000000 ♠ 60 years, 185 days 31 Herbert Hoover Aug 10, 1874 Mar 4, 1929 7004199290000000000 ♠ 54 years, 206 days Mar 4, 1933 7004213900000000000 ♠ 58 years, 206 days 7004115530000000000 ♠ 31 years, 230 days Oct 20, 1964 7004329430000000000 ♠ 90 years, 71 days 32 Franklin D. Roosevelt Jan 30, 1882 Mar 4, 1933 7004186600000000000 ♠ 51 years, 33 days Apr 12, 1945 7004230820000000000 ♠ 63 years, 72 days 00,000 0 days Apr 12, 1945 7004230820000000000 ♠ 63 years, 72 days 33 Harry S. Truman May 8, 1884 Apr 12, 1945 7004222530000000000 ♠ 60 years, 339 days Jan 20, 1953 7004250930000000000 ♠ 68 years, 257 days 7003728000000000000 ♠ 19 years, 341 days Dec 26, 1972 7004323730000000000 ♠ 88 years, 232 days 34 Dwight D. Eisenhower Oct 14, 1890 Jan 20, 1953 7004227430000000000 ♠ 62 years, 98 days Jan 20, 1961 7004256650000000000 ♠ 70 years, 98 days 7003298900000000000 ♠ 8 years, 67 days Mar 28, 1969 7004286540000000000 ♠ 78 years, 165 days 35 John F. Kennedy May 29, 1917 Jan 20, 1961 7004159420000000000 ♠ 43 years, 236 days Nov 22, 1963 7004169780000000000 ♠ 46 years, 177 days 00,000 0 days Nov 22, 1963 7004169780000000000 ♠ 46 years, 177 days 36 Lyndon B. Johnson Aug 27, 1908 Nov 22, 1963 7004201750000000000 ♠ 55 years, 87 days Jan 20, 1969 7004220610000000000 ♠ 60 years, 146 days 7003146300000000000 ♠ 4 years, 2 days Jan 22, 1973 7004235240000000000 ♠ 64 years, 148 days 37 Richard Nixon Jan 9, 1913 Jan 20, 1969 7004204650000000000 ♠ 56 years, 11 days Aug 9, 1974 7004224920000000000 ♠ 61 years, 212 days 7003719600000000000 ♠ 19 years, 256 days Apr 22, 1994 7004296880000000000 ♠ 81 years, 103 days 38 Gerald Ford Jul 14, 1913 Aug 9, 1974 7004223060000000000 ♠ 61 years, 26 days Jan 20, 1977 7004232010000000000 ♠ 63 years, 190 days 7004109320000000000 ♠ 29 years, 340 days Dec 26, 2006 7004341330000000000 ♠ 93 years, 165 days 39 Jimmy Carter Oct 1, 1924 Jan 20, 1977 7004191040000000000 ♠ 52 years, 111 days Jan 20, 1981 7004205650000000000 ♠ 56 years, 111 days 7004137350000000000 ♠ 37 years, 221 days 2018 - 08 - 29 7004343000000000000 ♠ 93 years, 332 days 40 Ronald Reagan Feb 6, 1911 Jan 20, 1981 7004255510000000000 ♠ 69 years, 349 days Jan 20, 1989 7004284730000000000 ♠ 77 years, 349 days 7003561500000000000 ♠ 15 years, 137 days Jun 5, 2004 7004340880000000000 ♠ 93 years, 120 days 41 George H.W. Bush Jun 12, 1924 Jan 20, 1989 7004235980000000000 ♠ 64 years, 222 days Jan 20, 1993 7004250590000000000 ♠ 68 years, 222 days 7003935200000000000 ♠ 25 years, 221 days 2018 - 08 - 29 7004344110000000000 ♠ 94 years, 78 days 42 Bill Clinton Aug 19, 1946 Jan 20, 1993 7004169560000000000 ♠ 46 years, 154 days Jan 20, 2001 7004198780000000000 ♠ 54 years, 154 days 7003643000000000000 ♠ 17 years, 221 days 2018 - 08 - 29 7004263080000000000 ♠ 72 years, 10 days 43 George W. Bush Jul 6, 1946 Jan 20, 2001 7004199220000000000 ♠ 54 years, 198 days Jan 20, 2009 7004228440000000000 ♠ 62 years, 198 days 7003350800000000000 ♠ 9 years, 221 days 2018 - 08 - 29 7004263520000000000 ♠ 72 years, 54 days 44 Barack Obama Aug 4, 1961 Jan 20, 2009 7004173360000000000 ♠ 47 years, 169 days Jan 20, 2017 7004202580000000000 ♠ 55 years, 169 days 7002586000000000000 ♠ 1 year, 221 days 2018 - 08 - 29 7004208440000000000 ♠ 57 years, 25 days 45 Donald Trump Jun 14, 1946 Jan 20, 2017 7004257880000000000 ♠ 70 years, 220 days 2018 - 08 - 29 7004288540000000000 ♠ 78 years, 364 days 2018 - 08 - 29 7004263740000000000 ♠ 72 years, 76 days President Birth date Date Age Date Age Post-presidency Date Age Start of presidency End of presidency timespan Death Notes ^ Jump up to : Birthdate as changed to New Style. ^ Jump up to : Died in office. ^ Jump up to : Cleveland was retired for 1,461 days between his two terms ( 1889 -- 1893 ), and then another 4,129 days from the end of his 2nd term ( 1897 ) until his death ( 1908 ). Jump up ^ Resigned from office. Oldest living U.S. presidents See also : Living Presidents of the United States Of the 44 persons who have served as president, 24 have become the oldest such individual of their time. Herbert Hoover held this distinction for the longest period of any, from the death of Calvin Coolidge in January 1933 until his own death 31 years later. Lyndon B. Johnson held it for the shortest, from the death of Harry S. Truman in December 1972 until his own death only 27 days later. On three occasions the oldest living president lost this distinction not by his death, but by the inauguration of a president who was older. Theodore Roosevelt ( born 1858 ) lost this distinction when William Taft ( born 1857 ) was inaugurated, then four years later Taft lost it when Woodrow Wilson ( born 1856 ) was inaugurated. More recently, Richard Nixon ( born 1913 ) ceased being the oldest living president when Ronald Reagan ( born 1911 ) was inaugurated. Furthermore, although Theodore Roosevelt was the youngest ever to become both the oldest living president ( at age 49 ) and a former president ( at age 50 ), he was the only living president or former president by the end of his term. Consequently, Taft was the oldest living president twice : first during his presidency ( having succeeded the younger Roosevelt ), and a second time after Wilson ( his successor as president but an older man ) died. Gerald Ford was the oldest individual to acquire this distinction, at the age of 90. On seven occasions, the oldest living president has acquired this distinction during his term in office. In the cases of John Adams, Ulysses S. Grant, Theodore Roosevelt, Herbert Hoover and Richard Nixon, this happened at the same time as their becoming the only living president ; in the cases of Andrew Jackson and Benjamin Harrison, the only other living president at the time was a younger predecessor ( John Quincy Adams and Grover Cleveland respectively ). By contrast, the president who acquired this distinction furthest from his time in office was Gerald Ford, who had been retired for 7003999800000000000 ♠ 27 years, 137 days. President Dates Age at start date Age at end date Length George Washington April 30, 1789 -- December 14, 1799 7004208870000000000 ♠ 57 years, 67 days 7004247670000000000 ♠ 67 years, 295 days 7003388000000000000 ♠ 10 years, 228 days John Adams December 14, 1799 -- July 4, 1826 7004234210000000000 ♠ 64 years, 45 days 7004331190000000000 ♠ 90 years, 247 days 7003969800000000000 ♠ 26 years, 202 days James Madison July 4, 1826 -- June 28, 1836 7004275030000000000 ♠ 75 years, 110 days 7004311500000000000 ♠ 85 years, 104 days 7003364700000000000 ♠ 9 years, 360 days Andrew Jackson June 28, 1836 -- June 8, 1845 7004253070000000000 ♠ 69 years, 105 days 7004285740000000000 ♠ 78 years, 85 days 7003326700000000000 ♠ 8 years, 345 days John Quincy Adams June 8, 1845 -- February 23, 1848 7004284560000000000 ♠ 77 years, 332 days 7004294460000000000 ♠ 80 years, 227 days 7002990000000000000 ♠ 2 years, 260 days Martin Van Buren February 23, 1848 -- July 24, 1862 7004238200000000000 ♠ 65 years, 80 days 7004290850000000000 ♠ 79 years, 231 days 7003526500000000000 ♠ 14 years, 151 days James Buchanan July 24, 1862 -- June 1, 1868 7004260240000000000 ♠ 71 years, 92 days 7004281630000000000 ♠ 77 years, 39 days 7003213900000000000 ♠ 5 years, 313 days Millard Fillmore June 1, 1868 -- March 8, 1874 7004249820000000000 ♠ 68 years, 146 days 7004270880000000000 ♠ 74 years, 60 days 7003210600000000000 ♠ 5 years, 280 days Andrew Johnson March 8, 1874 -- July 31, 1875 7004238100000000000 ♠ 65 years, 69 days 7004243200000000000 ♠ 66 years, 214 days 7002510000000000000 ♠ 1 year, 145 days Ulysses S. Grant July 31, 1875 -- July 23, 1885 7004194530000000000 ♠ 53 years, 95 days 7004230980000000000 ♠ 63 years, 87 days 7003364500000000000 ♠ 9 years, 357 days Rutherford B. Hayes July 23, 1885 -- January 17, 1893 7004229380000000000 ♠ 62 years, 292 days 7004256730000000000 ♠ 70 years, 105 days 7003273500000000000 ♠ 7 years, 178 days Benjamin Harrison January 17, 1893 -- March 13, 1901 7004217000000000000 ♠ 59 years, 150 days 7004246760000000000 ♠ 67 years, 205 days 7003297600000000000 ♠ 8 years, 55 days Grover Cleveland March 13, 1901 -- June 24, 1908 7004233700000000000 ♠ 63 years, 360 days 7004260300000000000 ♠ 71 years, 98 days 7003266000000000000 ♠ 7 years, 103 days Theodore Roosevelt June 24, 1908 -- March 4, 1909 7004181370000000000 ♠ 49 years, 241 days 7004183900000000000 ♠ 50 years, 128 days 7002253000000000000 ♠ 253 days William Howard Taft March 4, 1909 -- March 4, 1913 7004187970000000000 ♠ 51 years, 170 days 7004202580000000000 ♠ 55 years, 170 days 7003146100000000000 ♠ 4 years, 0 days Woodrow Wilson March 4, 1913 -- February 3, 1924 7004205190000000000 ♠ 56 years, 66 days 7004245070000000000 ♠ 67 years, 37 days 7003398800000000000 ♠ 10 years, 336 days William Howard Taft February 3, 1924 -- March 8, 1930 7004242460000000000 ♠ 66 years, 141 days 7004264710000000000 ♠ 72 years, 174 days 7003222500000000000 ♠ 6 years, 33 days Calvin Coolidge March 8, 1930 -- January 5, 1933 7004210650000000000 ♠ 57 years, 247 days 7004220990000000000 ♠ 60 years, 185 days 7003103400000000000 ♠ 2 years, 303 days Herbert Hoover January 5, 1933 -- October 20, 1964 7004213320000000000 ♠ 58 years, 148 days 7004329430000000000 ♠ 90 years, 71 days 7004116110000000000 ♠ 31 years, 289 days Harry S. Truman October 20, 1964 -- December 26, 1972 7004293840000000000 ♠ 80 years, 165 days 7004323730000000000 ♠ 88 years, 232 days 7003298900000000000 ♠ 8 years, 67 days Lyndon B. Johnson December 26, 1972 -- January 22, 1973 7004234970000000000 ♠ 64 years, 121 days 7004235240000000000 ♠ 64 years, 148 days 7001270000000000000 ♠ 27 days Richard Nixon January 22, 1973 -- January 20, 1981 7004219280000000000 ♠ 60 years, 13 days 7004248480000000000 ♠ 68 years, 11 days 7003292000000000000 ♠ 7 years, 364 days Ronald Reagan January 20, 1981 -- June 5, 2004 7004255510000000000 ♠ 69 years, 349 days 7004340880000000000 ♠ 93 years, 120 days 7003853700000000000 ♠ 23 years, 137 days Gerald Ford June 5, 2004 -- December 26, 2006 7004331990000000000 ♠ 90 years, 327 days 7004341330000000000 ♠ 93 years, 165 days 7002934000000000000 ♠ 2 years, 204 days George H.W. Bush December 26, 2006 -- present 7004301470000000000 ♠ 82 years, 197 days Current 7003426400000000000 ♠ 11 years, 246 days President Dates Age at start date Age at end date Length References Jump up ^ `` Two former presidents share November 2 birthday ''. Indianapolis, Indiana : WTHR. November 2, 2017. Retrieved January 6, 2018. Sources Frank Freidel and Hugh S. Sidey, `` The Presidents of the United States ''. The White House. Robert S. Summers, `` POTUS : Presidents of the United States ''. Internet Public Library. 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Question: who is the longest-living president of the united states
Answer: George H. W. Bush