1 - Ronald Reagan (77)
2 - Dwight D. Eisenhower (70)
3 - Andrew Jackson (69)
4 - James Buchanan (69)
5 - Harry Truman (68)
6 - George H. W. Bush (68)
7 - William Henry Harrison (68)
8 - James Monroe (66)
9 - James Madison (65)
10 - Thomas Jefferson (65)
Top Ten List of Oldest U.S. Presidents While in Office:
Here are the U.S. Presidents in order from youngest to oldest at the time they took office for the first time:
42.8 - Theodore Roosevelt
43.6 - John F. Kennedy
46.4 - Bill Clinton
46.8 - Ulysses S. Grant
47.4 - Barack Obama
47.9 - Grover Cleveland
48.2 - Franklin Pierce
49.2 - James A. Garfield
49.3 - James K. Polk
50.5 - Millard Fillmore
51.0 - John Tyler
51.0 - Calvin Coolidge
51.0 - Franklin D. Roosevelt
51.4 - William Howard Taft
51.9 - Chester A. Arthur
52.0 - Abraham Lincoln
52.3 - Jimmy Carter
54.0 - William McKinley
54.2 - Martin Van Buren
54.4 - Rutherford B. Hayes
54.5 - George W. Bush
54.5 - Herbert Hoover
55.2 - Lyndon B. Johnson
55.3 - Warren G. Harding
55.5 - Benjamin Harrison
56.0 - Richard M. Nixon
56.1 - Woodrow Wilson
56.2 - Andrew Johnson
57.1 - George Washington
57.6 - John Quincy Adams
57.8 - Thomas Jefferson
57.9 - James Madison
58.8 - James Monroe
60.9 - Harry S. Truman
61.0 - Gerald R. Ford
61.3 - John Adams
61.9 - Andrew Jackson
62.2 - Dwight D. Eisenhower
64.2 - Zachary Taylor
64.6 - George H. W. Bush
65.8 - James Buchanan
68.0 - William Henry Harrison
69.9 - Ronald Reagan
70.6 - Donald Trump
Ronald Reagan, who was just shy of 70 when he took office.
44
18
49 presdents.
Depends on which country or organisation.
roosevelt and Truman
John F. Kennedy and James A. Garfield were under 50 when they were assassinated.
Hinduism is the Oldest, and Zoroastrianism is the third oldest.
Well there is no certain ''oldest moon'' but they do have oldest moon features and oldest moon rock
No. The oldest was christine. He was the second oldest of four
The oldest is prostitution, the second oldest is spying.
Hamilton is the oldest
Oldest is an adjective; for example: the oldest man