U.S. Presidents Age at Inauguration (1789–2025)
Donald J. Trump became the oldest person to be sworn-in as president in 2025 for his second nonconsecutive term, and Theodore Roosevelt was the youngest at 42 when he first took office in 1901. View the ages of all 47 Presidents of the United States at inauguration.
Note: Grover Cleveland and Donald J. Trump served nonconsecutive terms as president.
78 years old
Donald J. Trump
47th President of the United States
68 years old
William Henry Harrison
9th President of the United States
62 years old
Dwight D. Eisenhower
34th President of the United States
60 years old
Harry S. Truman
33rd President of the United States
57 years old
John Quincy Adams
6th President of the United States
56 years old
Richard M. Nixon
37th President of the United States
55 years old
Lyndon B. Johnson
36th President of the United States
54 years old
Martin Van Buren
8th President of the United States
51 years old
Chester A. Arthur
21st President of the United States
51 years old
John Tyler
10th President of the United States
48 years old
Franklin Pierce
14th President of the United States
46 years old
William J. Clinton
42nd President of the United States
78 years old
Joseph R. Biden
46th President of the United States
65 years old
James Buchanan
15th President of the United States
61 years old
Andrew Jackson
7th President of the United States
58 years old
James Monroe
5th President of the United States
57 years old
George Washington
1st President of the United States
55 years old
Grover Cleveland
24th President of the United States
54 years old
Herbert C. Hoover
31st President of the United States
54 years old
William McKinley
25th President of the United States
51 years old
William H. Taft
27th President of the United States
50 years old
Millard Fillmore
13th President of the United States
47 years old
Grover Cleveland
22nd President of the United States
43 years old
John F. Kennedy
35th President of the United States
70 years old
Donald J. Trump
45th President of the United States
64 years old
George H.W. Bush
41st President of the United States
61 years old
John Adams
2nd President of the United States
57 years old
James Madison
4th President of the United States
56 years old
Andrew Johnson
17th President of the United States
55 years old
Benjamin Harrison
23rd President of the United States
54 years old
George W. Bush
43rd President of the United States
52 years old
James Carter
39th President of the United States
51 years old
Franklin D. Roosevelt
32nd President of the United States
49 years old
James K. Polk
11th President of the United States
47 years old
Barack H. Obama
44th President of the United States
42 years old
Theodore Roosevelt
26th President of the United States
69 years old
Ronald Reagan
40th President of the United States
64 years old
Zachary Taylor
12th President of the United States
61 years old
Gerald R. Ford
38th President of the United States
57 years old
Thomas Jefferson
3rd President of the United States
56 years old
Woodrow Wilson
28th President of the United States
55 years old
Warren G. Harding
29th President of the United States
54 years old
Rutherford B. Hayes
19th President of the United States
52 years old
Abraham Lincoln
16th President of the United States
51 years old
Calvin Coolidge
30th President of the United States
49 years old
James A. Garfield
20th President of the United States
46 years old
Ulysses S. Grant
18th President of the United States
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