User:Canuckian89/United States Secretaries of Defense

This is a list of United States Secretaries of Defense in order of longevity. There are currently twenty-two Secretaries on the list and ten living Secretaries. The list is in descending order and is correct as of. The oldest Secretary is Robert McNamara (1916 - 2009), who died at the age of 93 years, 27 days. The oldest living Secretary is Melvin R. Laird. He is currently 101 years, 327 days old and has held the title of oldest living Secretary since July 6, 2009.

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 lists the total number of days lived by the Secretary.