Lists of state leaders by age

Since 1875, the youngest serving state leader has been 0-day-old Alfonso XIII, King of Spain[1] (left), while the oldest has been 96-year-old Elizabeth II, Queen of the United Kingdom and the other Commonwealth realms (right).

This article contains various lists of state leaders organized by age, defined as heads of state and/or heads of government.

  1. ^ Cite error: The named reference Alfonso XIII was invoked but never defined (see the help page).