Daijō Tennō or Dajō Tennō (太上天皇) is the title for a Japanese emperor who abdicates the Chrysanthemum Throne in favour of a successor. The term is often shortened to Jōkō (上皇). The official translation of the title, as designated by the Imperial Household Agency, is 'Emperor Emeritus'. The title is currently held by Akihito, who abdicated on 30 April 2019.
As defined in the Taihō Code, although retired, a Daijō Tennō could still exert power. The first such example is the Empress Jitō in the 7th c...
