Publisher Shueisha has revealed that the Jujutsu Kaisen manga now has a total of 30 million copies in circulation , including print and digital copies. It's been just 14 days since the publisher reported the series had 25 million copies in circulation, and just 28 days since it reported the series had 20 million copies in circulation.
Additionally, the publisher also revealed the cover art for the manga's 15th volume, which will then be released on March 4th:
The number of copies in circulation of the manga has increased by over 350% in the four months since the anime . The manga had 8.5 million copies in circulation at the beginning of October, 10 million copies in circulation on October 29, 15 million copies in circulation on December 16, and 20 million copies in circulation on January 13.
All 15 volumes of Jujutsu Kaisen released so far (including volume 0) are in the top 16 spots on the Oricon print manga sales chart.
Source: ANN