A chart with the best selling manga in Japan is published weekly by Oricon. This list includes the manga that reached the number one place on that chart in 2012.

Chart history WeekDateTitleAuthorPublisherCopiesReference1January 2–8Bakuman, vol.16Tsugumi Ohba, Takeshi ObataShueisha343,1782January 9–15Bakuman, vol.16Tsugumi Ohba, Takeshi ObataShueisha93,2613January 16–22Gantz, vol.33Hiroya OkuShueisha155,4854January 23–29Kimi ni Todoke, vol.15Karuho ShiinaShueisha640,7805January 30–February 5One Piece, vol.65Eiichiro OdaShueisha1,934,9616February 6–12One Piece, vol.65Eiichiro OdaShueisha617,7607February 13–19One Piece, vol.65Eiichiro OdaShueisha176,9508February 20–26Fairy Tail, vol.31Hiro MashimaKodansha141,0429February 27–March 4Bleach, vol.54Tite KuboShueisha269,75110March 5–11Bleach, vol.54Tite KuboShueisha204,33311March 12–18Chihayafuru, vol.16Yuki SuetsuguKodansha212,16912March 19–25March Comes in Like a Lion, vol.7Chica UminoHakusensha356,25013March 26–April 1We Were There, vol.16Yuki ObataShogakukan370,16614April 2–8Hunter × Hunter, vol.30Yoshihiro TogashiShueisha638,90715April 9–15Attack on Titan, vol.7Hajime IsayamaKodansha382,29916April 16–22Fairy Tail, vol.32Hiro MashimaKodansha297,31417April 23–29Giant Killing, vol.23Masaya Tsunamoto, TsujitomoKodansha200,11218April 30–May 6One Piece, vol.66Eiichiro OdaShueisha2,275,45319May 7–13Kimi ni Todoke, vol.16Karuho ShiinaShueisha473,16420May 14–20Kimi ni Todoke, vol.16Karuho ShiinaShueisha315,70921May 21–27Black Butler, vol.14Yana TobosoSquare Enix165,40422May 28–June 3Black Butler, vol.14Yana TobosoSquare Enix248,11423June 4–10Bleach, vol.55Tite KuboShueisha521,62624June 11–17Chihayafuru, vol.16Yuki SuetsuguKodansha222,90925June 18–24Detective Conan, vol.76Gosho AoyamaShogakukan290,36126June 25–July 1Saki, vol.10Ritz KobayashiSquare Enix191,63427July 2–8Bakuman, vol.20Tsugumi Ohba, Takeshi ObataShueisha331,35528July 9–15Natsume's Book of Friends, vol.14Yuki MidorikawaHakusensha113,02329July 16–22Silver Spoon, vol.4Hiromu ArakawaShogakukan397,41630July 23–29Naruto, vol.61Masashi KishimotoShueisha706,69731July 30–August 5One Piece, vol.67Eiichiro OdaShueisha1,754,30932August 6–12One Piece, vol.67Eiichiro OdaShueisha638,42133August 13–19One Piece, vol.67Eiichiro OdaShueisha251,83734August 20–26Fairy Tail, vol.34Hiro MashimaKodansha168,71535August 27–September 2Ao Haru Ride, vol.5Io SakisakaShueisha143,42936September 3–9Blue Exorcist, vol.9Kazue KatōShueisha486,19537September 10–16Chihayafuru, vol.18Yuki SuetsuguKodansha196,33938September 17–23Detective Conan, vol.77Gosho AoyamaShogakukan314,80939September 24–30Kimi ni Todoke, vol.17Karuho ShiinaShueisha683,75140October 1–7Naruto, vol.62Masashi KishimotoShueisha660,40241October 8–14Naruto, vol.62Masashi KishimotoShueisha206,95942October 15–21Silver Spoon, vol.5Hiromu ArakawaShogakukan342,92543October 22–28Vagabond, vol.34Takehiko InoueKodansha312,31144October 29–November 4One Piece, vol.68Eiichiro OdaShueisha1,555,72445November 5–11One Piece, vol.68Eiichiro OdaShueisha632,83546November 12–18One Piece, vol.68Eiichiro OdaShueisha202,06647November 19–25Real, vol.12Takehiko InoueShueisha270,79348November 26–December 2Real, vol.12Takehiko InoueShueisha122,23649December 3–9Hunter × Hunter, vol.31Yoshihiro TogashiShueisha684,29950December 10–16March Comes in Like a Lion, vol.8Chica UminoHakusensha223,55651December 17–23Detective Conan, vol.78Gosho AoyamaShogakukan352,17452December 24–30Hunter × Hunter, vol.32Yoshihiro TogashiShueisha619,06453December 31–January 6Naruto, vol.63Masashi KishimotoShueisha287,331

References