(EN) One Piece Manga Has Printed 450 Million Copies Worldwide, su crunchyroll.com, Crunchyroll, 4 marzo 2019. URL consultato l'8 marzo 2019.
«Today on the release day of its latest 92nd tankobon volume in Japan, it is confirmed that Eiichiro Oda's One Piece fantasy action manga has printed 450 million copies worldwide (380 million in Japan, 70 million abroad)»