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List of Presidents of the United States by age


Source: http://en.wikipedia.org/wiki/List_of_Presidents_of_the_United_States_by_age
Updated: 2017-09-01T03:34Z

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 September 20, 2017. 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.

Overview

Age of presidents when assuming office approximately follows a bell curve (mean age marked by red line, c. 55.5 years)

The median age at accession to the presidency is roughly 55 years and 6 months, which is about how old Benjamin Harrison was at the time of his inauguration. The youngest person to assume the office was Theodore Roosevelt, who became president following William McKinley's assassination, at the age of 42 years, 322 days. The youngest person elected president was John F. Kennedy, who was inaugurated into office at the age of 43 years, 236 days. Assassinated three years into his term, he became the youngest at the time of leaving office (46 years, 177 days); the youngest person at the time of leaving office after serving a full four-year term was Theodore Roosevelt (50 years, 128 days). The oldest person at the time of entering office was Donald Trump, at the age of 70 years, 220 days; Ronald Reagan was the oldest person in office, at the age of 77 years, 349 days when his presidency ended in January 1989.

The oldest living president is George H. W. Bush, born June 12, 1924 (age 93 years, 100 days). The second oldest living president, Jimmy Carter, has the distinction of having the longest post-presidency in U.S. history, currently at 36 years, 243 days. The youngest living president is Barack Obama, born August 4, 1961 (age 56 years, 47 days).

The longest-lived president was Gerald Ford, who died at the age of 93 years, 165 days. He surpassed Ronald Reagan for this distinction on November 11, 2006, 45 days prior to his death. (Reagan had surpassed the longevity of the nation's second president, John Adams, on October 12, 2001.) The shortest-lived president to have died by natural causes (excluding John Kennedy and James A. Garfield—who, like Kennedy, was assassinated) was James K. Polk, who died at the age of 53 years, 225 days; only 103 days after leaving office.

Since 1797, when George Washington's service as president ended, there have been five periods in American history where the only living president was the incumbent president.

  1. John Adams, December 14, 1799 to March 4, 1801, between the death of George Washington, and the first inauguration of Thomas Jefferson
  2. Ulysses S. Grant, July 31, 1875 to March 4, 1877, between the death of Andrew Johnson and the inauguration of Rutherford B. Hayes
  3. Theodore Roosevelt, June 24, 1908 to March 4, 1909, between the death of Grover Cleveland and the inauguration of William Howard Taft
  4. Herbert Hoover, January 5, 1933 to March 4, 1933, between the death of Calvin Coolidge and the first inauguration of Franklin D. Roosevelt
  5. Richard Nixon, January 22, 1973 to August 9, 1974, between the death of Lyndon B. Johnson and the inauguration of Gerald Ford.

The greatest number of presidents—former presidents plus the incumbent—alive at any given time is six, which has happened four times.

  1. Including: Martin Van Buren, John Tyler, Millard Fillmore, Franklin Pierce, James Buchanan, and Abraham Lincoln; between March 4, 1861 (Abraham Lincoln's first inauguration) and January 18, 1862 (John Tyler's death)
  2. Including: Richard Nixon, Gerald Ford, Jimmy Carter, Ronald Reagan, George H. W. Bush, and Bill Clinton; between January 20, 1993 (Bill Clinton's first inauguration) and April 22, 1994 (Richard Nixon's death)
  3. Including: Gerald Ford, Jimmy Carter, Ronald Reagan, George H. W. Bush, Bill Clinton and George W. Bush; between January 20, 2001 (George W. Bush's first inauguration) and June 5, 2004 (Ronald Reagan's death)
  4. Including: Jimmy Carter, George H. W. Bush, Bill Clinton, George W. Bush, Barack Obama and Donald Trump; began on January 20, 2017 (Donald Trump's inauguration) and is ongoing.

Six U.S. presidents have lived into their 90s. They are (in order of birth):

Official presidential portrait of John Adams (by John Trumbull, circa 1792).
John Adams
(1735–1826)
 
President Hoover portrait.
Herbert Hoover
(1874–1964)
 
Official Portrait of President Reagan 1981.
Ronald Reagan
(1911–2004)
 
President Gerald R. Ford 1974.
Gerald Ford
(1913–2006)
 
George H. W. Bush, President of the United States, 1989 official portrait.
George H. W. Bush
(born 1924)
 
President James Earl "Jimmy" Carter.
Jimmy Carter
(born 1924)
 

List of presidents by age

# President Birth date Presidency
start date
Age at
start date
Presidency
end date
Age at
end date
Post-presidency
timespan
Death date Lifespan
1 Washington, GeorgeGeorge Washington Feb 22, 1732[a] Apr 30, 1789 57 years, 67 days Mar 4, 1797 65 years, 10 days 01,0151,015 days
(2 years, 285 days)
Dec 14, 1799 67 years, 295 days
(24,767 days)
2 Adams, John A.John Adams Oct 30, 1735[a] Mar 4, 1797 61 years, 125 days Mar 4, 1801 65 years, 125 days 09,2539,253 days
(25 years, 122 days)
Jul 4, 1826 90 years, 247 days
(33,119 days)
3 Jefferson, ThomasThomas Jefferson Apr 13, 1743[a] Mar 4, 1801 57 years, 325 days Mar 4, 1809 65 years, 325 days 06,3316,331 days
(17 years, 122 days)
Jul 4, 1826 83 years, 82 days
(30,397 days)
4 Madison, JamesJames Madison Mar 16, 1751[a] Mar 4, 1809 57 years, 353 days Mar 4, 1817 65 years, 353 days 07,0567,056 days
(19 years, 116 days)
Jun 28, 1836 85 years, 104 days
(31,150 days)
5 Monroe, JamesJames Monroe Apr 28, 1758 Mar 4, 1817 58 years, 310 days Mar 4, 1825 66 years, 310 days 02,3132,313 days
(6 years, 122 days)
Jul 4, 1831 73 years, 67 days
(26,729 days)
6 Adams, John Q. John Q. Adams Jul 11, 1767 Mar 4, 1825 57 years, 236 days Mar 4, 1829 61 years, 236 days 06,9306,930 days
(18 years, 356 days)
Feb 23, 1848 80 years, 227 days
(29,446 days)
7 Jackson, AndrewAndrew Jackson Mar 15, 1767 Mar 4, 1829 61 years, 354 days Mar 4, 1837 69 years, 354 days 03,0183,018 days
(8 years, 96 days)
Jun 8, 1845 78 years, 85 days
(28,574 days)
8 Van Buren, MartinMartin Van Buren Dec 5, 1782 Mar 4, 1837 54 years, 89 days Mar 4, 1841 58 years, 89 days 07,8127,812 days
(21 years, 142 days)
Jul 24, 1862 79 years, 231 days
(29,085 days)
9 Harrison, William H.William H. Harrison Feb 9, 1773 Mar 4, 1841 68 years, 23 days Apr 4, 1841[b] 68 years, 54 days 00,0000 days Apr 4, 1841 68 years, 54 days
(24,890 days)
10 Tyler, JohnJohn Tyler Mar 29, 1790 Apr 4, 1841 51 years, 6 days Mar 4, 1845 54 years, 340 days 06,1646,164 days
(16 years, 320 days)
Jan 18, 1862 71 years, 295 days
(26,227 days)
11 Polk, James K.James K. Polk Nov 2, 1795 Mar 4, 1845 49 years, 122 days Mar 4, 1849 53 years, 122 days 00,103103 days Jun 15, 1849 53 years, 225 days
(19,583 days)
12 Taylor, ZacharyZachary Taylor Nov 24, 1784 Mar 4, 1849 64 years, 100 days Jul 9, 1850[b] 65 years, 227 days 00,0000 days Jul 9, 1850 65 years, 227 days
(23,967 days)
13 Fillmore, MillardMillard Fillmore Jan 7, 1800 Jul 9, 1850 50 years, 183 days Mar 4, 1853 53 years, 56 days 07,6747,674 days
(21 years, 4 days)
Mar 8, 1874 74 years, 60 days
(27,088 days)
14 Pierce, FranklinFranklin Pierce Nov 23, 1804 Mar 4, 1853 48 years, 101 days Mar 4, 1857 52 years, 101 days 04,6014,601 days
(12 years, 218 days)
Oct 8, 1869 64 years, 319 days
(23,695 days)
15 Buchanan, JamesJames Buchanan Apr 23, 1791 Mar 4, 1857 65 years, 315 days Mar 4, 1861 69 years, 315 days 02,6462,646 days
(7 years, 89 days)
Jun 1, 1868 77 years, 39 days
(28,163 days)
16 Lincoln, AbrahamAbraham Lincoln Feb 12, 1809 Mar 4, 1861 52 years, 20 days Apr 15, 1865[b] 56 years, 62 days 00,0000 days Apr 15, 1865 56 years, 62 days
(20,516 days)
17 Johnson, AndrewAndrew Johnson Dec 29, 1808 Apr 15, 1865 56 years, 107 days Mar 4, 1869 60 years, 65 days 02,3402,340 days
(6 years, 149 days)
Jul 31, 1875 66 years, 214 days
(24,320 days)
18 Grant, Ulysses S.Ulysses S. Grant Apr 27, 1822 Mar 4, 1869 46 years, 311 days Mar 4, 1877 54 years, 311 days 03,0633,063 days
(8 years, 141 days)
Jul 23, 1885 63 years, 87 days
(23,098 days)
19 Hayes, Rutherford B.Rutherford B. Hayes Oct 4, 1822 Mar 4, 1877 54 years, 151 days Mar 4, 1881 58 years, 151 days 04,3374,337 days
(11 years, 319 days)
Jan 17, 1893 70 years, 105 days
(25,673 days)
20 Garfield, James A.James A. Garfield Nov 19, 1831 Mar 4, 1881 49 years, 105 days Sep 19, 1881[b] 49 years, 304 days 00,0000 days Sep 19, 1881 49 years, 304 days
(18,202 days)
21 Arthur, Chester A.Chester A. Arthur Oct 5, 1829 Sep 19, 1881 51 years, 349 days Mar 4, 1885 55 years, 150 days 00,624624 days
(1 year, 259 days)
Nov 18, 1886 57 years, 44 days
(20,863 days)
22 Cleveland, GroverGrover Cleveland Mar 18, 1837 Mar 4, 1885 47 years, 351 days Mar 4, 1889 51 years, 351 days 05,5905,590 days[c]
(15 years, 112 days)
Jun 24, 1908 71 years, 98 days
(26,030 days)
23 Harrison, BenjaminBenjamin Harrison Aug 20, 1833 Mar 4, 1889 55 years, 196 days Mar 4, 1893 59 years, 196 days 02,9302,930 days
(8 years, 9 days)
Mar 13, 1901 67 years, 205 days
(24,676 days)
24 Cleveland, GroverGrover Cleveland Mar 18, 1837 Mar 4, 1893 55 years, 351 days Mar 4, 1897 59 years, 351 days 05,5905,590 days[c]
(15 years, 112 days)
Jun 24, 1908 71 years, 98 days
(26,030 days)
25 McKinley, WilliamWilliam McKinley Jan 29, 1843 Mar 4, 1897 54 years, 34 days Sep 14, 1901[b] 58 years, 228 days 00,0000 days Sep 14, 1901 58 years, 228 days
(21,412 days)
26 Roosevelt, TheodoreTheodore Roosevelt Oct 27, 1858 Sep 14, 1901 42 years, 322 days Mar 4, 1909 50 years, 128 days 03,5953,595 days
(9 years, 308 days)
Jan 6, 1919 60 years, 71 days
(21,985 days)
27 Taft, William H.William H. Taft Sep 15, 1857 Mar 4, 1909 51 years, 170 days Mar 4, 1913 55 years, 170 days 06,2136,213 days
(17 years, 4 days)
Mar 8, 1930 72 years, 174 days
(26,471 days)
28 Wilson, WoodrowWoodrow Wilson Dec 28, 1856 Mar 4, 1913 56 years, 66 days Mar 4, 1921 64 years, 66 days 01,0661,066 days
(2 years, 336 days)
Feb 3, 1924 67 years, 37 days
(24,507 days)
29 Harding, Warren G.Warren G. Harding Nov 2, 1865 Mar 4, 1921 55 years, 122 days Aug 2, 1923[b] 57 years, 273 days 00,0000 days Aug 2, 1923 57 years, 273 days
(21,091 days)
30 Coolidge, CalvinCalvin Coolidge Jul 4, 1872 Aug 2, 1923 51 years, 29 days Mar 4, 1929 56 years, 243 days 01,4031,403 days
(3 years, 307 days)
Jan 5, 1933 60 years, 185 days
(22,099 days)
31 Hoover, HerbertHerbert Hoover Aug 10, 1874 Mar 4, 1929 54 years, 206 days Mar 4, 1933 58 years, 206 days 11,55311,553 days
(31 years, 230 days)
Oct 20, 1964 90 years, 71 days
(32,943 days)
32 Roosevelt, Franklin D.Franklin D. Roosevelt Jan 30, 1882 Mar 4, 1933 51 years, 33 days Apr 12, 1945[b] 63 years, 72 days 00,0000 days Apr 12, 1945 63 years, 72 days
(23,082 days)
33 Truman, Harry S.Harry S. Truman May 8, 1884 Apr 12, 1945 60 years, 339 days Jan 20, 1953 68 years, 257 days 07,2807,280 days
(19 years, 341 days)
Dec 26, 1972 88 years, 232 days
(32,373 days)
34 Eisenhower, Dwight D.Dwight D. Eisenhower Oct 14, 1890 Jan 20, 1953 62 years, 98 days Jan 20, 1961 70 years, 98 days 02,9892,989 days
(8 years, 67 days)
Mar 28, 1969 78 years, 165 days
(28,654 days)
35 Kennedy, John F.John F. Kennedy May 29, 1917 Jan 20, 1961 43 years, 236 days Nov 22, 1963[b] 46 years, 177 days 00,0000 days Nov 22, 1963 46 years, 177 days
(16,978 days)
36 Johnson, Lyndon B.Lyndon B. Johnson Aug 27, 1908 Nov 22, 1963 55 years, 87 days Jan 20, 1969 60 years, 146 days 01,4631,463 days
(4 years, 2 days)
Jan 22, 1973 64 years, 148 days
(23,524 days)
37 Nixon, RichardRichard Nixon Jan 9, 1913 Jan 20, 1969 56 years, 11 days Aug 9, 1974[d] 61 years, 212 days 07,1967,196 days
(19 years, 256 days)
Apr 22, 1994 81 years, 103 days
(29,688 days)
38 Ford, GeraldGerald Ford Jul 14, 1913 Aug 9, 1974 61 years, 26 days Jan 20, 1977 63 years, 190 days 10,93210,932 days
(29 years, 340 days)
Dec 26, 2006 93 years, 165 days
(34,133 days)
39 Carter, JimmyJimmy Carter Oct 1, 1924 Jan 20, 1977 52 years, 111 days Jan 20, 1981 56 years, 111 days 13,39213,392 days[e]
(36 years, 243 days)
2017-09-20 92 years, 354 days
(33,957 days)
40 Reagan, RonaldRonald Reagan Feb 6, 1911 Jan 20, 1981 69 years, 349 days Jan 20, 1989 77 years, 349 days 05,6155,615 days
(15 years, 137 days)
Jun 5, 2004 93 years, 120 days
(34,088 days)
41 Bush, George H. W.George H. W. Bush Jun 12, 1924 Jan 20, 1989 64 years, 222 days Jan 20, 1993 68 years, 222 days 09,0099,009 days[e]
(24 years, 243 days)
2017-09-20 93 years, 100 days
(34,068 days)
42 Clinton, BillBill Clinton Aug 19, 1946 Jan 20, 1993 46 years, 154 days Jan 20, 2001 54 years, 154 days 06,0876,087 days[e]
(16 years, 243 days)
2017-09-20 71 years, 32 days
(25,965 days)
43 Bush, George W.George W. Bush Jul 6, 1946 Jan 20, 2001 54 years, 198 days Jan 20, 2009 62 years, 198 days 03,1653,165 days[e]
(8 years, 243 days)
2017-09-20 71 years, 76 days
(26,009 days)
44 Obama, BarackBarack Obama Aug 4, 1961 Jan 20, 2009 47 years, 169 days Jan 20, 2017 55 years, 169 days 00,134243243 days[e] 2017-09-20 56 years, 47 days
(20,501 days)
45 Trump, DonaldDonald Trump Jun 14, 1946 Jan 20, 2017 70 years, 220 days 2017-09-20 78 years, 364 days 24,734 2017-09-20 71 years, 98 days
(26,031 days)
# President Birth date Presidency
start date
Age at
start date
Presidency
end date
Age at
end date
Post-presidency
timespan
Death date Lifespan

Notes

  1. ^ a b c d Birthdate as changed to New Style.
  2. ^ a b c d e f g h Died in office.
  3. ^ a b 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).
  4. ^ Resigned from office.
  5. ^ a b c d e Ongoing.

Timeline of oldest living presidents

Of the 44 persons who have served as president, 24 have become the oldest such individual of their time. Herbert Hoover became the oldest living president (while still president himself) when Calvin Coolidge died in January 1933, and retained this distinction until his death 31 years later. Lyndon B. Johnson became the oldest living president upon the death of Harry S. Truman in December 1972 but held this distinction for only 27 days.

On three occasions the oldest living president lost this distinction not by his death, but by the election 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 50) and a former president (at age 51), 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).

President Became oldest living president Ceased to be oldest living president Age at
start date
Age at
end date
Duration
(years, days)
Duration (days)
Washington, GeorgeGeorge WashingtonApril 30, 1789December 14, 179957 years, 67 days67 years, 295 days 10 years, 228 days 03,8803,880 days
Adams, JohnJohn AdamsDecember 14, 1799July 4, 182664 years, 45 days90 years, 247 days26 years, 202 days 09,6989,698 days
Madison, JamesJames MadisonJuly 4, 1826June 28, 183675 years, 110 days85 years, 104 days9 years, 360 days 03,6473,647 days
Jackson, AndrewAndrew JacksonJune 28, 1836June 8, 184569 years, 105 days78 years, 85 days8 years, 345 days 03,2673,267 days
Adams, John QuincyJohn Quincy AdamsJune 8, 1845February 23, 184877 years, 332 days80 years, 227 days2 years, 260 days 00,990990 days
Van Buren, MartinMartin Van BurenFebruary 23, 1848July 24, 186265 years, 80 days79 years, 231 days14 years, 151 days 05,2655,265 days
Buchanan, JamesJames BuchananJuly 24, 1862June 1, 186871 years, 92 days77 years, 39 days5 years, 313 days 02,1392,139 days
Fillmore, MillardMillard FillmoreJune 1, 1868March 8, 187468 years, 146 days74 years, 60 days5 years, 280 days 02,1062,106 days
Johnson, AndrewAndrew JohnsonMarch 8, 1874July 31, 187565 years, 69 days66 years, 214 days1 year, 145 days 00,510510 days
Grant, Ulysses S.Ulysses S. GrantJuly 31, 1875July 23, 188553 years, 95 days63 years, 87 days9 years, 357 days 03,6453,645 days
Hayes, Rutherford B.Rutherford B. HayesJuly 23, 1885January 17, 189362 years, 292 days70 years, 105 days7 years, 178 days 02,7352,735 days
Harrison, BenjaminBenjamin HarrisonJanuary 17, 1893March 13, 190159 years, 150 days67 years, 205 days8 years, 55 days 02,9762,976 days
Cleveland, GroverGrover ClevelandMarch 13, 1901June 24, 190863 years, 360 days71 years, 98 days7 years, 103 days 02,6602,660 days
Roosevelt, TheodoreTheodore RooseveltJune 24, 1908March 4, 190949 years, 241 days50 years, 128 days253 days 00,253253 days
Taft, William HowardWilliam Howard TaftMarch 4, 1909March 4, 191351 years, 170 days55 years, 170 days4 years, 0 days 01,4611,461 days
Wilson, WoodrowWoodrow WilsonMarch 4, 1913February 3, 192456 years, 66 days67 years, 37 days10 years, 336 days 03,9883,988 days
Taft, William HowardWilliam Howard TaftFebruary 3, 1924March 8, 193066 years, 141 days72 years, 174 days6 years, 33 days 02,2252,225 days
Coolidge, CalvinCalvin CoolidgeMarch 8, 1930January 5, 193357 years, 247 days60 years, 185 days2 years, 303 days 01,0341,034 days
Hoover, HerbertHerbert HooverJanuary 5, 1933October 20, 196458 years, 148 days90 years, 71 days31 years, 289 days 11,61111,611 days
Truman, Harry S.Harry S. TrumanOctober 20, 1964December 26, 197280 years, 165 days88 years, 232 days8 years, 67 days 02,9892,989 days
Johnson, Lyndon B.Lyndon B. JohnsonDecember 26, 1972January 22, 197364 years, 121 days64 years, 148 days27 days 00,02727 days
Nixon, RichardRichard NixonJanuary 22, 1973January 20, 198160 years, 13 days68 years, 11 days7 years, 364 days 02,9202,920 days
Reagan, RonaldRonald ReaganJanuary 20, 1981June 5, 200469 years, 349 days93 years, 120 days23 years, 137 days 08,5378,537 days
Ford, GeraldGerald FordJune 5, 2004December 26, 200690 years, 327 days93 years, 165 days2 years, 204 days 00,934934 days
Bush, George H. W.George H. W. BushDecember 26, 2006Current82 years, 197 daysCurrent10 years, 268 days 03,9213,921 days
President Became oldest living president Ceased to be oldest living president Age at
start date
Age at
end date
Duration
(years, days)
Duration
(days)

Sources

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