List of Presidents of the United States by age Presidential age-related data Presidential age-related data

| President | Became_Oldest_Living_President | Ceased_to_Be_Oldest_Living_President | Age_at_Start_Date | Age_at_End_Date | Duration_Years_Days | Duration_Days_ |
|---|---|---|---|---|---|---|
| Ulysses S. Grant | July 31, 1875 | July 23, 1885 | 53 years, 95 days | 63 years, 87 days | 9 years, 357 days | 3,645 days |
| Rutherford B. Hayes | July 23, 1885 | January 17, 1893 | 62 years, 292 days | 70 years, 105 days | 7 years, 178 days | 2,735 days |
| Benjamin Harrison | January 17, 1893 | March 13, 1901 | 59 years, 150 days | 67 years, 205 days | 8 years, 55 days | 2,976 days |
| Grover Cleveland | March 13, 1901 | June 24, 1908 | 63 years, 360 days | 71 years, 98 days | 7 years, 103 days | 2,660 days |
| Theodore Roosevelt | June 24, 1908 | March 4, 1909 | 49 years, 241 days | 50 years, 128 days | 0 years, 253 days | 253 days |