Board Thread:Boruto Discussions/@comment-28432164-20160514001744/@comment-25122992-20160514193956

Actually, if someone refers to Hokage with his ordinal number, he's not necessarily dead/retired. For example, in Boruto movie, during the report of Team Konohamaru mission, Naruto told Boruto to call him "The Seventh" within the Hokage office.