The manga series "Demon Slayer: Kimetsu no Yaiba" by Koyoharu Gotouge has surpassed 220 million copies in circulation worldwide, including digital formats, across its 23 volumes. This milestone positions it as one of the best-selling manga series globally. Of the total circulation, 164 million copies have been distributed in Japan, with the remaining 56 million circulated internationally. The series has experienced rapid growth since the anime adaptation began in April 2019, with circulation figures rising from 3.5 million copies to 220 million within six years. Key circulation milestones include 100 million copies by October 2020 and 150 million by February 2021, shortly after the release of its final volume in December 2020.