Top 5 Youngest Presidents

Theodore Roosevelt

What are the best qualities in a President-age and experience or youth and energy? The Founding Fathers must have thought a leader shouldn't be too young. The Constitution says a President must be at least 35 years old. Here are the youngest Presidents in U.S. history:

1. Theodore Roosevelt, 42*

2. John F. Kennedy, 43

3. Bill Clinton, 46

4. Ulysses S. Grant, 46

5. Grover Cleveland, 47

*Age at Inauguration