#	President	Birth date	Presidency start date	Age at start date	Presidency end date	Age at end date	Post-presidency timespan	Death Date	Lifespan
1;George Washington;Feb 22, 1732;Apr 30, 1789;57 years, 67 days (20,887 days);Mar 4, 1797;65 years, 10 days (23,752 days);2 years, 285 days (1,015 days);Dec 14, 1799;67 years, 295 days (24,767 days)
2;John Adams;Oct 30, 1735;Mar 4, 1797;61 years, 125 days (22,406 days);Mar 4, 1801;65 years, 125 days (23,866 days);25 years, 122 days (9,253 days);Jul 4, 1826;90 years, 247 days (33,119 days)
3;Thomas Jefferson;Apr 13, 1743;Mar 4, 1801;57 years, 325 days (21,144 days);Mar 4, 1809;65 years, 325 days (24,066 days);17 years, 122 days (6,331 days);Jul 4, 1826;83 years, 82 days (30,397 days)
4;James Madison;Mar 16, 1751;Mar 4, 1809;57 years, 353 days (21,172 days);Mar 4, 1817;65 years, 353 days (24,094 days);19 years, 116 days (7,056 days);Jun 28, 1836;85 years, 104 days (31,150 days)
5;James Monroe;Apr 28, 1758;Mar 4, 1817;58 years, 310 days (21,494 days);Mar 4, 1825;66 years, 310 days (24,416 days);6 years, 122 days (2,313 days);Jul 4, 1831;73 years, 67 days (26,729 days)
6;John Q. Adams;Jul 11, 1767;Mar 4, 1825;57 years, 236 days (21,055 days);Mar 4, 1829;61 years, 236 days (22,516 days);18 years, 356 days (6,930 days);Feb 23, 1848;80 years, 227 days (29,446 days)
7;Andrew Jackson;Mar 15, 1767;Mar 4, 1829;61 years, 354 days (22,634 days);Mar 4, 1837;69 years, 354 days (25,556 days);8 years, 96 days (3,018 days);Jun 8, 1845;78 years, 85 days (28,574 days)
8;Martin Van Buren;Dec 5, 1782;Mar 4, 1837;54 years, 89 days (19,812 days);Mar 4, 1841;58 years, 89 days (21,273 days);21 years, 142 days (7,812 days);Jul 24, 1862;79 years, 231 days (29,085 days)
9;William H. Harrison;Feb 9, 1773;Mar 4, 1841;68 years, 23 days (24,859 days);Apr 4, 1841;68 years, 54 days (24,890 days);0 days (0 days);Apr 4, 1841;68 years, 54 days (24,890 days)
10;John Tyler;Mar 29, 1790;Apr 4, 1841;51 years, 6 days (18,633 days);Mar 4, 1845;54 years, 340 days (20,063 days);16 years, 320 days (6,164 days);Jan 18, 1862;71 years, 295 days (26,227 days)
11;James K. Polk;Nov 2, 1795;Mar 4, 1845;49 years, 122 days (18,019 days);Mar 4, 1849;53 years, 122 days (19,480 days);103 days (103 days);Jun 15, 1849;53 years, 225 days (19,583 days)
12;Zachary Taylor;Nov 24, 1784;Mar 4, 1849;64 years, 100 days (23,475 days);Jul 9, 1850;65 years, 227 days (23,967 days);0 days (0 days);Jul 9, 1850;65 years, 227 days (23,967 days)
13;Millard Fillmore;Jan 7, 1800;Jul 9, 1850;50 years, 183 days (18,445 days);Mar 4, 1853;53 years, 56 days (19,414 days);21 years, 4 days (7,674 days);Mar 8, 1874;74 years, 60 days (27,088 days)
14;Franklin Pierce;Nov 23, 1804;Mar 4, 1853;48 years, 101 days (17,633 days);Mar 4, 1857;52 years, 101 days (19,094 days);12 years, 218 days (4,601 days);Oct 8, 1869;64 years, 319 days (23,695 days)
15;James Buchanan;Apr 23, 1791;Mar 4, 1857;65 years, 315 days (24,056 days);Mar 4, 1861;69 years, 315 days (25,517 days);7 years, 89 days (2,646 days);Jun 1, 1868;77 years, 39 days (28,163 days)
16;Abraham Lincoln;Feb 12, 1809;Mar 4, 1861;52 years, 20 days (19,013 days);Apr 15, 1865;56 years, 62 days (20,516 days);0 days (0 days);Apr 15, 1865;56 years, 62 days (20,516 days)
17;Andrew Johnson;Dec 29, 1808;Apr 15, 1865;56 years, 107 days (20,561 days);Mar 4, 1869;60 years, 65 days (21,980 days);6 years, 149 days (2,340 days);Jul 31, 1875;66 years, 214 days (24,320 days)
18;Ulysses S. Grant;Apr 27, 1822;Mar 4, 1869;46 years, 311 days (17,113 days);Mar 4, 1877;54 years, 311 days (20,035 days);8 years, 141 days (3,063 days);Jul 23, 1885;63 years, 87 days (23,098 days)
19;Rutherford B. Hayes;Oct 4, 1822;Mar 4, 1877;54 years, 151 days (19,875 days);Mar 4, 1881;58 years, 151 days (21,336 days);11 years, 319 days (4,337 days);Jan 17, 1893;70 years, 105 days (25,673 days)
20;James A. Garfield;Nov 19, 1831;Mar 4, 1881;49 years, 105 days (18,003 days);Sep 19, 1881;49 years, 304 days (18,202 days);0 days (0 days);Sep 19, 1881;49 years, 304 days (18,202 days)
21;Chester A. Arthur;Oct 5, 1829;Sep 19, 1881;51 years, 349 days (18,977 days);Mar 4, 1885;55 years, 150 days (20,239 days);1 year, 259 days (624 days);Nov 18, 1886;57 years, 44 days (20,863 days)
22;Grover Cleveland1;Mar 18, 1837;Mar 4, 1885;47 years, 351 days (17,518 days);Mar 4, 1889;51 years, 351 days (18,979 days);15 years, 112 days (7,051 days);Jun 24, 1908;71 years, 98 days (26,030 days)
23;Benjamin Harrison;Aug 20, 1833;Mar 4, 1889;55 years, 196 days (20,285 days);Mar 4, 1893;59 years, 196 days (21,746 days);8 years, 9 days (2,930 days);Mar 13, 1901;67 years, 205 days (24,676 days)
24;Grover Cleveland2;Mar 18, 1837;Mar 4, 1893;55 years, 351 days (20,440 days);Mar 4, 1897;59 years, 351 days (21,901 days);15 years, 112 days (4,129 days);Jun 24, 1908;71 years, 98 days (26,030 days)
25;William McKinley;Jan 29, 1843;Mar 4, 1897;54 years, 34 days (19,758 days);Sep 14, 1901;58 years, 228 days (21,412 days);0 days (0 days);Sep 14, 1901;58 years, 228 days (21,412 days)
26;Theodore Roosevelt;Oct 27, 1858;Sep 14, 1901;42 years, 322 days (15,662 days);Mar 4, 1909;50 years, 128 days (18,390 days);9 years, 308 days (3,595 days);Jan 6, 1919;60 years, 71 days (21,985 days)
27;William H. Taft;Sep 15, 1857;Mar 4, 1909;51 years, 170 days (18,797 days);Mar 4, 1913;55 years, 170 days (20,258 days);17 years, 4 days (6,213 days);Mar 8, 1930;72 years, 174 days (26,471 days)
28;Woodrow Wilson;Dec 28, 1856;Mar 4, 1913;56 years, 66 days (20,519 days);Mar 4, 1921;64 years, 66 days (23,441 days);2 years, 336 days (1,066 days);Feb 3, 1924;67 years, 37 days (24,507 days)
29;Warren G. Harding;Nov 2, 1865;Mar 4, 1921;55 years, 122 days (20,210 days);Aug 2, 1923;57 years, 273 days (21,091 days);0 days (0 days);Aug 2, 1923;57 years, 273 days (21,091 days)
30;Calvin Coolidge;Jul 4, 1872;Aug 2, 1923;51 years, 29 days (18,655 days);Mar 4, 1929;56 years, 243 days (20,696 days);3 years, 307 days (1,403 days);Jan 5, 1933;60 years, 185 days (22,099 days)
31;Herbert Hoover;Aug 10, 1874;Mar 4, 1929;54 years, 206 days (19,929 days);Mar 4, 1933;58 years, 206 days (21,390 days);31 years, 230 days (11,553 days);Oct 20, 1964;90 years, 71 days (32,943 days)
32;Franklin D. Roosevelt;Jan 30, 1882;Mar 4, 1933;51 years, 33 days (18,660 days);Apr 12, 1945;63 years, 72 days (23,082 days);0 days (0 days);Apr 12, 1945;63 years, 72 days (23,082 days)
33;Harry S. Truman;May 8, 1884;Apr 12, 1945;60 years, 339 days (22,253 days);Jan 20, 1953;68 years, 257 days (25,093 days);19 years, 341 days (7,280 days);Dec 26, 1972;88 years, 232 days (32,373 days)
34;Dwight D. Eisenhower;Oct 14, 1890;Jan 20, 1953;62 years, 98 days (22,743 days);Jan 20, 1961;70 years, 98 days (25,665 days);8 years, 67 days (2,989 days);Mar 28, 1969;78 years, 165 days (28,654 days)
35;John F. Kennedy;May 29, 1917;Jan 20, 1961;43 years, 236 days (15,942 days);Nov 22, 1963;46 years, 177 days (16,978 days);0 days (0 days);Nov 22, 1963;46 years, 177 days (16,978 days)
36;Lyndon B. Johnson;Aug 27, 1908;Nov 22, 1963;55 years, 87 days (20,175 days);Jan 20, 1969;60 years, 146 days (22,061 days);4 years, 2 days (1,463 days);Jan 22, 1973;64 years, 148 days (23,524 days)
37;Richard Nixon;Jan 9, 1913;Jan 20, 1969;56 years, 11 days (20,465 days);Aug 9, 1974;61 years, 212 days (22,492 days);19 years, 256 days (7,196 days);Apr 22, 1994;81 years, 103 days (29,688 days)
38;Gerald Ford;Jul 14, 1913;Aug 9, 1974;61 years, 26 days (22,306 days);Jan 20, 1977;63 years, 190 days (23,201 days);29 years, 340 days (10,932 days);Dec 26, 2006;93 years, 165 days (34,133 days)
39;Jimmy Carter;Oct 1, 1924;Jan 20, 1977;52 years, 111 days (19,104 days);Jan 20, 1981;56 years, 111 days (20,565 days);35 years, 355 days (13,140 days);;92 years, 100 days (33,703 days)
40;Ronald Reagan;Feb 6, 1911;Jan 20, 1981;69 years, 349 days (25,551 days);Jan 20, 1989;77 years, 349 days (28,473 days);15 years, 137 days (5,615 days);Jun 5, 2004;93 years, 120 days (34,088 days)
41;George H. W. Bush;Jun 12, 1924;Jan 20, 1989;64 years, 222 days (23,598 days);Jan 20, 1993;68 years, 222 days (25,059 days);23 years, 355 days (8,757 days);;92 years, 211 days (33,814 days)
42;Bill Clinton;Aug 19, 1946;Jan 20, 1993;46 years, 154 days (16,956 days);Jan 20, 2001;54 years, 154 days (19,878 days);15 years, 355 days (5,835 days);;70 years, 143 days (25,711 days)
43;George W. Bush;Jul 6, 1946;Jan 20, 2001;54 years, 198 days (19,922 days);Jan 20, 2009;62 years, 198 days (22,844 days);7 years, 355 days (2,913 days);;70 years, 187 days (25,755 days)
44;Barack Obama;Aug 4, 1961;Jan 20, 2009;47 years, 169 days (17,336 days);Jan 20, 2017;55 years, 169 days (20,258 days);;;55 years, 158 days (20,247 days)
45;Donald Trump;Jun 14, 1946;Jan 20, 2017;70 years, 220 days (25,788 days);;;;;70 years, 209 days (25,777 days)