List of presidents of the United States by age
Updated: 12/10/2025, 11:43:51 AM Wikipedia source
This is a list of presidents of the United States by age. The first table charts the age of each president of the United States at the time of their inauguration (first inauguration if elected to multiple and consecutive terms), upon leaving office, and at the time of death. Presidents who are still living have their lifespans and post-presidency timespans calculated through December 10, 2025.
Tables
· Presidential age-related data
Died
Died
No.
Died
President
Age
1
1
No.
1
President
George Washington
Born
Feb 22, 1732
Age atstart of presidency
57 years, 67 daysApr 30, 1789
Age atend of presidency
65 years, 10 daysMar 4, 1797
Post-presidencytimespan
2 years, 285 days
Lifespan
Dec 14, 1799
Lifespan
67 years, 295 days
2
2
No.
2
President
John Adams
Born
Oct 30, 1735
Age atstart of presidency
61 years, 125 daysMar 4, 1797
Age atend of presidency
65 years, 125 daysMar 4, 1801
Post-presidencytimespan
25 years, 122 days
Lifespan
Jul 4, 1826
Lifespan
90 years, 247 days
3
3
No.
3
President
Thomas Jefferson
Born
Apr 13, 1743
Age atstart of presidency
57 years, 325 daysMar 4, 1801
Age atend of presidency
65 years, 325 daysMar 4, 1809
Post-presidencytimespan
17 years, 122 days
Lifespan
Jul 4, 1826
Lifespan
83 years, 82 days
4
4
No.
4
President
James Madison
Born
Mar 16, 1751
Age atstart of presidency
57 years, 353 daysMar 4, 1809
Age atend of presidency
65 years, 353 daysMar 4, 1817
Post-presidencytimespan
19 years, 116 days
Lifespan
Jun 28, 1836
Lifespan
85 years, 104 days
5
5
No.
5
President
James Monroe
Born
Apr 28, 1758
Age atstart of presidency
58 years, 310 daysMar 4, 1817
Age atend of presidency
66 years, 310 daysMar 4, 1825
Post-presidencytimespan
6 years, 122 days
Lifespan
Jul 4, 1831
Lifespan
73 years, 67 days
6
6
No.
6
President
John Quincy Adams
Born
Jul 11, 1767
Age atstart of presidency
57 years, 236 daysMar 4, 1825
Age atend of presidency
61 years, 236 daysMar 4, 1829
Post-presidencytimespan
18 years, 356 days
Lifespan
Feb 23, 1848
Lifespan
80 years, 227 days
7
7
No.
7
President
Andrew Jackson
Born
Mar 15, 1767
Age atstart of presidency
61 years, 354 daysMar 4, 1829
Age atend of presidency
69 years, 354 daysMar 4, 1837
Post-presidencytimespan
8 years, 96 days
Lifespan
Jun 8, 1845
Lifespan
78 years, 85 days
8
8
No.
8
President
Martin Van Buren
Born
Dec 5, 1782
Age atstart of presidency
54 years, 89 daysMar 4, 1837
Age atend of presidency
58 years, 89 daysMar 4, 1841
Post-presidencytimespan
21 years, 142 days
Lifespan
Jul 24, 1862
Lifespan
79 years, 231 days
9
9
No.
9
President
William Henry Harrison
Born
Feb 9, 1773
Age atstart of presidency
68 years, 23 daysMar 4, 1841
Age atend of presidency
68 years, 54 days Apr 4, 1841
Post-presidencytimespan
0 days
Lifespan
Apr 4, 1841
Lifespan
68 years, 54 days
10
10
No.
10
President
John Tyler
Born
Mar 29, 1790
Age atstart of presidency
51 years, 6 daysApr 4, 1841
Age atend of presidency
54 years, 340 daysMar 4, 1845
Post-presidencytimespan
16 years, 320 days
Lifespan
Jan 18, 1862
Lifespan
71 years, 295 days
11
11
No.
11
President
James K. Polk
Born
Nov 2, 1795
Age atstart of presidency
49 years, 122 daysMar 4, 1845
Age atend of presidency
53 years, 122 daysMar 4, 1849
Post-presidencytimespan
103 days
Lifespan
Jun 15, 1849
Lifespan
53 years, 225 days
12
12
No.
12
President
Zachary Taylor
Born
Nov 24, 1784
Age atstart of presidency
64 years, 100 daysMar 4, 1849
Age atend of presidency
65 years, 227 daysJul 9, 1850
Post-presidencytimespan
0 days
Lifespan
Jul 9, 1850
Lifespan
65 years, 227 days
13
13
No.
13
President
Millard Fillmore
Born
Jan 7, 1800
Age atstart of presidency
50 years, 183 daysJul 9, 1850
Age atend of presidency
53 years, 56 daysMar 4, 1853
Post-presidencytimespan
21 years, 4 days
Lifespan
Mar 8, 1874
Lifespan
74 years, 60 days
14
14
No.
14
President
Franklin Pierce
Born
Nov 23, 1804
Age atstart of presidency
48 years, 101 daysMar 4, 1853
Age atend of presidency
52 years, 101 daysMar 4, 1857
Post-presidencytimespan
12 years, 218 days
Lifespan
Oct 8, 1869
Lifespan
64 years, 319 days
15
15
No.
15
President
James Buchanan
Born
Apr 23, 1791
Age atstart of presidency
65 years, 315 daysMar 4, 1857
Age atend of presidency
69 years, 315 daysMar 4, 1861
Post-presidencytimespan
7 years, 89 days
Lifespan
Jun 1, 1868
Lifespan
77 years, 39 days
16
16
No.
16
President
Abraham Lincoln
Born
Feb 12, 1809
Age atstart of presidency
52 years, 20 daysMar 4, 1861
Age atend of presidency
56 years, 62 daysApr 15, 1865
Post-presidencytimespan
0 days
Lifespan
Apr 15, 1865
Lifespan
56 years, 62 days
17
17
No.
17
President
Andrew Johnson
Born
Dec 29, 1808
Age atstart of presidency
56 years, 107 daysApr 15, 1865
Age atend of presidency
60 years, 65 daysMar 4, 1869
Post-presidencytimespan
6 years, 149 days
Lifespan
Jul 31, 1875
Lifespan
66 years, 214 days
18
18
No.
18
President
Ulysses S. Grant
Born
Apr 27, 1822
Age atstart of presidency
46 years, 311 daysMar 4, 1869
Age atend of presidency
54 years, 311 daysMar 4, 1877
Post-presidencytimespan
8 years, 141 days
Lifespan
Jul 23, 1885
Lifespan
63 years, 87 days
19
19
No.
19
President
Rutherford B. Hayes
Born
Oct 4, 1822
Age atstart of presidency
54 years, 151 daysMar 4, 1877
Age atend of presidency
58 years, 151 daysMar 4, 1881
Post-presidencytimespan
11 years, 319 days
Lifespan
Jan 17, 1893
Lifespan
70 years, 105 days
20
20
No.
20
President
James A. Garfield
Born
Nov 19, 1831
Age atstart of presidency
49 years, 105 daysMar 4, 1881
Age atend of presidency
49 years, 304 daysSep 19, 1881
Post-presidencytimespan
0 days
Lifespan
Sep 19, 1881
Lifespan
49 years, 304 days
21
21
No.
21
President
Chester A. Arthur
Born
Oct 5, 1829
Age atstart of presidency
51 years, 349 daysSep 19, 1881
Age atend of presidency
55 years, 150 daysMar 4, 1885
Post-presidencytimespan
1 year, 259 days
Lifespan
Nov 18, 1886
Lifespan
57 years, 44 days
22
22
No.
22
President
Grover Cleveland
Born
Mar 18, 1837
Age atstart of presidency
47 years, 351 daysMar 4, 1885
Age atend of presidency
51 years, 351 daysMar 4, 1889
Post-presidencytimespan
4 years, 0 days
Lifespan
Jun 24, 1908
Lifespan
71 years, 98 days
23
23
No.
23
President
Benjamin Harrison
Born
Aug 20, 1833
Age atstart of presidency
55 years, 196 daysMar 4, 1889
Age atend of presidency
59 years, 196 daysMar 4, 1893
Post-presidencytimespan
8 years, 9 days
Lifespan
Mar 13, 1901
Lifespan
67 years, 205 days
24
24
No.
24
President
Grover Cleveland
Born
Mar 18, 1837
Age atstart of presidency
55 years, 351 daysMar 4, 1893
Age atend of presidency
59 years, 351 daysMar 4, 1897
Post-presidencytimespan
11 years, 112 days
Lifespan
Jun 24, 1908
Lifespan
71 years, 98 days
25
25
No.
25
President
William McKinley
Born
Jan 29, 1843
Age atstart of presidency
54 years, 34 daysMar 4, 1897
Age atend of presidency
58 years, 228 daysSep 14, 1901
Post-presidencytimespan
0 days
Lifespan
Sep 14, 1901
Lifespan
58 years, 228 days
26
26
No.
26
President
Theodore Roosevelt
Born
Oct 27, 1858
Age atstart of presidency
42 years, 322 daysSep 14, 1901
Age atend of presidency
50 years, 128 daysMar 4, 1909
Post-presidencytimespan
9 years, 308 days
Lifespan
Jan 6, 1919
Lifespan
60 years, 71 days
27
27
No.
27
President
William Howard Taft
Born
Sep 15, 1857
Age atstart of presidency
51 years, 170 daysMar 4, 1909
Age atend of presidency
55 years, 170 daysMar 4, 1913
Post-presidencytimespan
17 years, 4 days
Lifespan
Mar 8, 1930
Lifespan
72 years, 174 days
28
28
No.
28
President
Woodrow Wilson
Born
Dec 28, 1856
Age atstart of presidency
56 years, 66 daysMar 4, 1913
Age atend of presidency
64 years, 66 daysMar 4, 1921
Post-presidencytimespan
2 years, 336 days
Lifespan
Feb 3, 1924
Lifespan
67 years, 37 days
29
29
No.
29
President
Warren G. Harding
Born
Nov 2, 1865
Age atstart of presidency
55 years, 122 daysMar 4, 1921
Age atend of presidency
57 years, 273 daysAug 2, 1923
Post-presidencytimespan
0 days
Lifespan
Aug 2, 1923
Lifespan
57 years, 273 days
30
30
No.
30
President
Calvin Coolidge
Born
Jul 4, 1872
Age atstart of presidency
51 years, 29 daysAug 2, 1923
Age atend of presidency
56 years, 243 daysMar 4, 1929
Post-presidencytimespan
3 years, 307 days
Lifespan
Jan 5, 1933
Lifespan
60 years, 185 days
31
31
No.
31
President
Herbert Hoover
Born
Aug 10, 1874
Age atstart of presidency
54 years, 206 daysMar 4, 1929
Age atend of presidency
58 years, 206 daysMar 4, 1933
Post-presidencytimespan
31 years, 230 days
Lifespan
Oct 20, 1964
Lifespan
90 years, 71 days
32
32
No.
32
President
Franklin D. Roosevelt
Born
Jan 30, 1882
Age atstart of presidency
51 years, 33 daysMar 4, 1933
Age atend of presidency
63 years, 72 daysApr 12, 1945
Post-presidencytimespan
0 days
Lifespan
Apr 12, 1945
Lifespan
63 years, 72 days
33
33
No.
33
President
Harry S. Truman
Born
May 8, 1884
Age atstart of presidency
60 years, 339 daysApr 12, 1945
Age atend of presidency
68 years, 257 daysJan 20, 1953
Post-presidencytimespan
19 years, 341 days
Lifespan
Dec 26, 1972
Lifespan
88 years, 232 days
34
34
No.
34
President
Dwight D. Eisenhower
Born
Oct 14, 1890
Age atstart of presidency
62 years, 98 daysJan 20, 1953
Age atend of presidency
70 years, 98 daysJan 20, 1961
Post-presidencytimespan
8 years, 67 days
Lifespan
Mar 28, 1969
Lifespan
78 years, 165 days
35
35
No.
35
President
John F. Kennedy
Born
May 29, 1917
Age atstart of presidency
43 years, 236 daysJan 20, 1961
Age atend of presidency
46 years, 177 daysNov 22, 1963
Post-presidencytimespan
0 days
Lifespan
Nov 22, 1963
Lifespan
46 years, 177 days
36
36
No.
36
President
Lyndon B. Johnson
Born
Aug 27, 1908
Age atstart of presidency
55 years, 87 daysNov 22, 1963
Age atend of presidency
60 years, 146 daysJan 20, 1969
Post-presidencytimespan
4 years, 2 days
Lifespan
Jan 22, 1973
Lifespan
64 years, 148 days
37
37
No.
37
President
Richard Nixon
Born
Jan 9, 1913
Age atstart of presidency
56 years, 11 daysJan 20, 1969
Age atend of presidency
61 years, 212 daysAug 9, 1974
Post-presidencytimespan
19 years, 256 days
Lifespan
Apr 22, 1994
Lifespan
81 years, 103 days
38
38
No.
38
President
Gerald Ford
Born
Jul 14, 1913
Age atstart of presidency
61 years, 26 daysAug 9, 1974
Age atend of presidency
63 years, 190 daysJan 20, 1977
Post-presidencytimespan
29 years, 340 days
Lifespan
Dec 26, 2006
Lifespan
93 years, 165 days
39
39
No.
39
President
Jimmy Carter
Born
Oct 1, 1924
Age atstart of presidency
52 years, 111 daysJan 20, 1977
Age atend of presidency
56 years, 111 daysJan 20, 1981
Post-presidencytimespan
43 years, 344 days
Lifespan
Dec 29, 2024
Lifespan
100 years, 89 days
40
40
No.
40
President
Ronald Reagan
Born
Feb 6, 1911
Age atstart of presidency
69 years, 349 daysJan 20, 1981
Age atend of presidency
77 years, 349 daysJan 20, 1989
Post-presidencytimespan
15 years, 137 days
Lifespan
Jun 5, 2004
Lifespan
93 years, 120 days
41
41
No.
41
President
George H. W. Bush
Born
Jun 12, 1924
Age atstart of presidency
64 years, 222 daysJan 20, 1989
Age atend of presidency
68 years, 222 daysJan 20, 1993
Post-presidencytimespan
25 years, 314 days
Lifespan
Nov 30, 2018
Lifespan
94 years, 171 days
42
42
No.
42
President
Bill Clinton
Born
Aug 19, 1946
Age atstart of presidency
46 years, 154 daysJan 20, 1993
Age atend of presidency
54 years, 154 daysJan 20, 2001
Post-presidencytimespan
24 years, 324 days
Lifespan
(living)
Lifespan
79 years, 113 days
43
43
No.
43
President
George W. Bush
Born
Jul 6, 1946
Age atstart of presidency
54 years, 198 daysJan 20, 2001
Age atend of presidency
62 years, 198 daysJan 20, 2009
Post-presidencytimespan
16 years, 324 days
Lifespan
(living)
Lifespan
79 years, 157 days
44
44
No.
44
President
Barack Obama
Born
Aug 4, 1961
Age atstart of presidency
47 years, 169 daysJan 20, 2009
Age atend of presidency
55 years, 169 daysJan 20, 2017
Post-presidencytimespan
8 years, 324 days
Lifespan
(living)
Lifespan
64 years, 128 days
45
45
No.
45
President
Donald Trump
Born
Jun 14, 1946
Age atstart of presidency
70 years, 220 daysJan 20, 2017
Age atend of presidency
74 years, 220 daysJan 20, 2021
Post-presidencytimespan
4 years, 0 days
Lifespan
(living)
Lifespan
79 years, 179 days
46
46
No.
46
President
Joe Biden
Born
Nov 20, 1942
Age atstart of presidency
78 years, 61 daysJan 20, 2021
Age atend of presidency
82 years, 61 daysJan 20, 2025
Post-presidencytimespan
324 days
Lifespan
(living)
Lifespan
83 years, 20 days
47
47
No.
47
President
Donald Trump
Born
Jun 14, 1946
Age atstart of presidency
78 years, 220 daysJan 20, 2025
Age atend of presidency
(Incumbent)
Post-presidencytimespan
(Incumbent)
Lifespan
(living)
Lifespan
79 years, 179 days
| No. | President | Born | Age atstart of presidency | Age atend of presidency | Post-presidencytimespan | Lifespan | |
| Died | Age | ||||||
| 1 | George Washington | Feb 22, 1732 | 57 years, 67 daysApr 30, 1789 | 65 years, 10 daysMar 4, 1797 | 2 years, 285 days | Dec 14, 1799 | 67 years, 295 days |
| 2 | John Adams | Oct 30, 1735 | 61 years, 125 daysMar 4, 1797 | 65 years, 125 daysMar 4, 1801 | 25 years, 122 days | Jul 4, 1826 | 90 years, 247 days |
| 3 | Thomas Jefferson | Apr 13, 1743 | 57 years, 325 daysMar 4, 1801 | 65 years, 325 daysMar 4, 1809 | 17 years, 122 days | Jul 4, 1826 | 83 years, 82 days |
| 4 | James Madison | Mar 16, 1751 | 57 years, 353 daysMar 4, 1809 | 65 years, 353 daysMar 4, 1817 | 19 years, 116 days | Jun 28, 1836 | 85 years, 104 days |
| 5 | James Monroe | Apr 28, 1758 | 58 years, 310 daysMar 4, 1817 | 66 years, 310 daysMar 4, 1825 | 6 years, 122 days | Jul 4, 1831 | 73 years, 67 days |
| 6 | John Quincy Adams | Jul 11, 1767 | 57 years, 236 daysMar 4, 1825 | 61 years, 236 daysMar 4, 1829 | 18 years, 356 days | Feb 23, 1848 | 80 years, 227 days |
| 7 | Andrew Jackson | Mar 15, 1767 | 61 years, 354 daysMar 4, 1829 | 69 years, 354 daysMar 4, 1837 | 8 years, 96 days | Jun 8, 1845 | 78 years, 85 days |
| 8 | Martin Van Buren | Dec 5, 1782 | 54 years, 89 daysMar 4, 1837 | 58 years, 89 daysMar 4, 1841 | 21 years, 142 days | Jul 24, 1862 | 79 years, 231 days |
| 9 | William Henry Harrison | Feb 9, 1773 | 68 years, 23 daysMar 4, 1841 | 68 years, 54 days Apr 4, 1841 | 0 days | Apr 4, 1841 | 68 years, 54 days |
| 10 | John Tyler | Mar 29, 1790 | 51 years, 6 daysApr 4, 1841 | 54 years, 340 daysMar 4, 1845 | 16 years, 320 days | Jan 18, 1862 | 71 years, 295 days |
| 11 | James K. Polk | Nov 2, 1795 | 49 years, 122 daysMar 4, 1845 | 53 years, 122 daysMar 4, 1849 | 103 days | Jun 15, 1849 | 53 years, 225 days |
| 12 | Zachary Taylor | Nov 24, 1784 | 64 years, 100 daysMar 4, 1849 | 65 years, 227 daysJul 9, 1850 | 0 days | Jul 9, 1850 | 65 years, 227 days |
| 13 | Millard Fillmore | Jan 7, 1800 | 50 years, 183 daysJul 9, 1850 | 53 years, 56 daysMar 4, 1853 | 21 years, 4 days | Mar 8, 1874 | 74 years, 60 days |
| 14 | Franklin Pierce | Nov 23, 1804 | 48 years, 101 daysMar 4, 1853 | 52 years, 101 daysMar 4, 1857 | 12 years, 218 days | Oct 8, 1869 | 64 years, 319 days |
| 15 | James Buchanan | Apr 23, 1791 | 65 years, 315 daysMar 4, 1857 | 69 years, 315 daysMar 4, 1861 | 7 years, 89 days | Jun 1, 1868 | 77 years, 39 days |
| 16 | Abraham Lincoln | Feb 12, 1809 | 52 years, 20 daysMar 4, 1861 | 56 years, 62 daysApr 15, 1865 | 0 days | Apr 15, 1865 | 56 years, 62 days |
| 17 | Andrew Johnson | Dec 29, 1808 | 56 years, 107 daysApr 15, 1865 | 60 years, 65 daysMar 4, 1869 | 6 years, 149 days | Jul 31, 1875 | 66 years, 214 days |
| 18 | Ulysses S. Grant | Apr 27, 1822 | 46 years, 311 daysMar 4, 1869 | 54 years, 311 daysMar 4, 1877 | 8 years, 141 days | Jul 23, 1885 | 63 years, 87 days |
| 19 | Rutherford B. Hayes | Oct 4, 1822 | 54 years, 151 daysMar 4, 1877 | 58 years, 151 daysMar 4, 1881 | 11 years, 319 days | Jan 17, 1893 | 70 years, 105 days |
| 20 | James A. Garfield | Nov 19, 1831 | 49 years, 105 daysMar 4, 1881 | 49 years, 304 daysSep 19, 1881 | 0 days | Sep 19, 1881 | 49 years, 304 days |
| 21 | Chester A. Arthur | Oct 5, 1829 | 51 years, 349 daysSep 19, 1881 | 55 years, 150 daysMar 4, 1885 | 1 year, 259 days | Nov 18, 1886 | 57 years, 44 days |
| 22 | Grover Cleveland | Mar 18, 1837 | 47 years, 351 daysMar 4, 1885 | 51 years, 351 daysMar 4, 1889 | 4 years, 0 days | Jun 24, 1908 | 71 years, 98 days |
| 23 | Benjamin Harrison | Aug 20, 1833 | 55 years, 196 daysMar 4, 1889 | 59 years, 196 daysMar 4, 1893 | 8 years, 9 days | Mar 13, 1901 | 67 years, 205 days |
| 24 | Grover Cleveland | Mar 18, 1837 | 55 years, 351 daysMar 4, 1893 | 59 years, 351 daysMar 4, 1897 | 11 years, 112 days | Jun 24, 1908 | 71 years, 98 days |
| 25 | William McKinley | Jan 29, 1843 | 54 years, 34 daysMar 4, 1897 | 58 years, 228 daysSep 14, 1901 | 0 days | Sep 14, 1901 | 58 years, 228 days |
| 26 | Theodore Roosevelt | Oct 27, 1858 | 42 years, 322 daysSep 14, 1901 | 50 years, 128 daysMar 4, 1909 | 9 years, 308 days | Jan 6, 1919 | 60 years, 71 days |
| 27 | William Howard Taft | Sep 15, 1857 | 51 years, 170 daysMar 4, 1909 | 55 years, 170 daysMar 4, 1913 | 17 years, 4 days | Mar 8, 1930 | 72 years, 174 days |
| 28 | Woodrow Wilson | Dec 28, 1856 | 56 years, 66 daysMar 4, 1913 | 64 years, 66 daysMar 4, 1921 | 2 years, 336 days | Feb 3, 1924 | 67 years, 37 days |
| 29 | Warren G. Harding | Nov 2, 1865 | 55 years, 122 daysMar 4, 1921 | 57 years, 273 daysAug 2, 1923 | 0 days | Aug 2, 1923 | 57 years, 273 days |
| 30 | Calvin Coolidge | Jul 4, 1872 | 51 years, 29 daysAug 2, 1923 | 56 years, 243 daysMar 4, 1929 | 3 years, 307 days | Jan 5, 1933 | 60 years, 185 days |
| 31 | Herbert Hoover | Aug 10, 1874 | 54 years, 206 daysMar 4, 1929 | 58 years, 206 daysMar 4, 1933 | 31 years, 230 days | Oct 20, 1964 | 90 years, 71 days |
| 32 | Franklin D. Roosevelt | Jan 30, 1882 | 51 years, 33 daysMar 4, 1933 | 63 years, 72 daysApr 12, 1945 | 0 days | Apr 12, 1945 | 63 years, 72 days |
| 33 | Harry S. Truman | May 8, 1884 | 60 years, 339 daysApr 12, 1945 | 68 years, 257 daysJan 20, 1953 | 19 years, 341 days | Dec 26, 1972 | 88 years, 232 days |
| 34 | Dwight D. Eisenhower | Oct 14, 1890 | 62 years, 98 daysJan 20, 1953 | 70 years, 98 daysJan 20, 1961 | 8 years, 67 days | Mar 28, 1969 | 78 years, 165 days |
| 35 | John F. Kennedy | May 29, 1917 | 43 years, 236 daysJan 20, 1961 | 46 years, 177 daysNov 22, 1963 | 0 days | Nov 22, 1963 | 46 years, 177 days |
| 36 | Lyndon B. Johnson | Aug 27, 1908 | 55 years, 87 daysNov 22, 1963 | 60 years, 146 daysJan 20, 1969 | 4 years, 2 days | Jan 22, 1973 | 64 years, 148 days |
| 37 | Richard Nixon | Jan 9, 1913 | 56 years, 11 daysJan 20, 1969 | 61 years, 212 daysAug 9, 1974 | 19 years, 256 days | Apr 22, 1994 | 81 years, 103 days |
| 38 | Gerald Ford | Jul 14, 1913 | 61 years, 26 daysAug 9, 1974 | 63 years, 190 daysJan 20, 1977 | 29 years, 340 days | Dec 26, 2006 | 93 years, 165 days |
| 39 | Jimmy Carter | Oct 1, 1924 | 52 years, 111 daysJan 20, 1977 | 56 years, 111 daysJan 20, 1981 | 43 years, 344 days | Dec 29, 2024 | 100 years, 89 days |
| 40 | Ronald Reagan | Feb 6, 1911 | 69 years, 349 daysJan 20, 1981 | 77 years, 349 daysJan 20, 1989 | 15 years, 137 days | Jun 5, 2004 | 93 years, 120 days |
| 41 | George H. W. Bush | Jun 12, 1924 | 64 years, 222 daysJan 20, 1989 | 68 years, 222 daysJan 20, 1993 | 25 years, 314 days | Nov 30, 2018 | 94 years, 171 days |
| 42 | Bill Clinton | Aug 19, 1946 | 46 years, 154 daysJan 20, 1993 | 54 years, 154 daysJan 20, 2001 | 24 years, 324 days | (living) | 79 years, 113 days |
| 43 | George W. Bush | Jul 6, 1946 | 54 years, 198 daysJan 20, 2001 | 62 years, 198 daysJan 20, 2009 | 16 years, 324 days | (living) | 79 years, 157 days |
| 44 | Barack Obama | Aug 4, 1961 | 47 years, 169 daysJan 20, 2009 | 55 years, 169 daysJan 20, 2017 | 8 years, 324 days | (living) | 64 years, 128 days |
| 45 | Donald Trump | Jun 14, 1946 | 70 years, 220 daysJan 20, 2017 | 74 years, 220 daysJan 20, 2021 | 4 years, 0 days | (living) | 79 years, 179 days |
| 46 | Joe Biden | Nov 20, 1942 | 78 years, 61 daysJan 20, 2021 | 82 years, 61 daysJan 20, 2025 | 324 days | (living) | 83 years, 20 days |
| 47 | Donald Trump | Jun 14, 1946 | 78 years, 220 daysJan 20, 2025 | (Incumbent) | (Incumbent) | (living) | 79 years, 179 days |
References
- Birthdate as changed to New Style
- Died in office
- This is the length of Cleveland's first (1889–1893) post-presidency, between his two terms in office.
- This is the length of Cleveland's second (1897–1908) post-presidency, after his second term in office.
- Resigned from office
- This is the length of Trump's first (2021–2025) post-presidency, between his two terms in office.
- Forbeshttps://www.forbes.com/sites/niallmccarthy/2020/11/09/biden-set-to-become-the-oldest-president-in-us-history-infographic/?sh=105580cb7be6
- The New York Timeshttps://ghostarchive.org/archive/20211228/https://www.nytimes.com/2021/01/18/us/politics/joe-biden-age-oldest-presidents.html
- The New York Timeshttps://archive.today/20250120184207/https://www.nytimes.com/2025/01/20/us/politics/donald-trump-age-oldest-presidents.html
- "Biden to Become Oldest President Ever at Inauguration"https://www.bloomberg.com/news/articles/2021-01-19/biden-to-become-oldest-president-ever-at-inauguration-graphic
- U.S. News & World Reporthttps://www.usnews.com/news/politics/slideshows/the-10-youngest-presidents?slide=10
- Quartzhttps://qz.com/1959985/what-happens-if-joe-biden-dies-after-the-inauguration/
- USA Today Newshttps://www.usatoday.com/videos/news/politics/2024/09/30/jimmy-carter-former-us-president-celebrates-100th-birthday/75450406007/
- biography.comhttps://www.biography.com/us-president/james-polk
- "Presidents Age at Death | Presidents of the United States (POTUS)"https://potus.com/presidential-facts/presidents-age-at-death/
- KCRAhttps://www.kcra.com/article/ages-us-presidents/63306867