To most Emperors, the titles of Daijo Tenno were awarded soon after transfer of the throne but, because it was not awarded automatically with the transfer, there were cases where the honorary titles were not awarded as was the case with Awaji haitei (the deposed Emperor of Awaji) (Emperor Junnin), who was abdicated in something like a coup, and with Emperor Antoku and Dethroned Emperor Kujo (Emperor Chukyo) whose abdication and enthronement were made obscure.
殆どの天皇には、譲位後すみやかに太上天皇号が奉られるが、退位によって自動的に奉られるものではないので、淡路廃帝（淳仁天皇）のようにクーデター的に廃位されたり、安徳天皇や九条廃帝（仲恭天皇）のように退位・即位の事実が曖昧にされたりして、尊号が奉られなかった例もある。