Shueisha confirmed on November 25 that Eiichiro Oda’s One Piece fantasy action manga sold the estimated 12.7 million copies from November 19, 2018, to November 17, 2019, and had become the top-selling manga series of 2019, according to Mantan Web.
A more detailed report for the 2019 manga sales in Japan is expected to be available early next month.
Coming in the surprising second was Koyoharu Gotoge’s Demon Slayer: Kimetsu no Yaiba, which sold a massive 10.8 million copies.