According to the latest rankings, the top 10 anime series in the world were: 1 Dragon Ball (Dragon Ball) 2 One Piece (One Piece) 3 "The Attack of the Giant"(Attack on Titan) 4 Naruto 5 Death (Blech) 6 Gintama 7 Ghost Blade (Demon Slayer) 8 Sword Art Online 9 One Piece 10 Ouran High School Host Club This ranking might vary depending on the ranking institution or year.