John F. Kennedy is the youngest-ever elected president, aged 43.
However, Theodore Roosevelt is the youngest person to ever become president. He was 42 when he succeeded to the presidency, following the assassination of McKinley.
| Year | President | Age | Comment |
|---|---|---|---|
| 1980 | Oldest President ever elected | ||
| 1868 | Fourth youngest President ever elected, 5 months older than Clinton | ||
| 1992 | Third youngest President ever elected | ||
| 1960 | Second Youngest President ever; Youngest President ever elected | ||
| 1901 | Youngest President ever (assumed office following assassination of William McKinley). Second youngest President ever elected in 1904 at age 46, one month younger than Clinton | ||
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