User:Canuckian89/United States Secretaries of War

This is a list of United States Secretaries of War in order of longevity. There are fifty-five Secretaries on the list. The list is in descending order. The longest-lived Secretary was Elihu Root (1845 - 1937), who died at the age of 91 years, 358 days. The last Secretary to die was Kenneth C. Royall (1894 - 1971), who died on May 25, 1971.

To account for the different number of leap days within the life of each Secretary, two measures of longevity are given. The first is the number of whole years the Secretary lived, and the number of days past their last birthday. The second list the total number of days lived by the Secretary.