Here Oricon Manga sales from November 22, 2010 to November 20, 2011. One Piece set a new record
Top 10 Manga by Series (TOP 50 in the links).
http://www.oricon.co.jp/entertainment/ranking/2011/bookrank1201/index06.html
http://www.oricon.co.jp/entertainment/ranking/2011/bookrank1201/index06_1.html
01 - One Piece: 37,996,373 copies.
02 - Naruto: 6,874,840 copies.
03 - Blue Exorcist: 5,223,712 copies.
04 - Fairy Tail: 4,701,596 copies.
05 - Toriko: 4,665,634 copies.
06 - Gintama: 4,415,491 copies.
07 - Bakuman: 4.,399,938 copies.
08 - Bleach: 4,187,258 copies.
09 - Kimi ni Todoke: 4,109,481 copies.
10 - Gantz: 4,056,981 copies.
Top 10 Manga by Volume (TOP 50 in the links).
http://www.oricon.co.jp/entertainment/ranking/2011/bookrank1201/index05.html
http://www.oricon.co.jp/entertainment/ranking/2011/bookrank1201/index05_1.html
01 - One Piece Volume 61: 3,382,588 copies.
02 - One Piece Volume 62: 3,207,568 copies.
03 - One Piece Volume 63: 3,073,175 copies.
04 - One Piece Volume 64: 2,652,700 copies.
05 - Naruto Volume 54: 1,229,170 copies.
06 - Kimi ni Todoke Volume 13: 1,228,692 copies.
07 - Kimi ni Todoke Volume 14: 1,189,589 copies.
08 - Fullmetal Alchemist Volume 27: 1,144,295 copies.
09 - Naruto Volume 55: 1,131,672 copies.
10 - Naruto Volume 57: 1,090,567 copies.
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23 - One Piece Volume 60: 786,660 copies.
43 - One Piece Volume 59: 572,798 copies.
50 - One Piece Volume 01: 545,045 copies.
In Anime News Network.
One Piece Sells Record 38 Million Manga Volumes in 2011
Eiichiro Oda's pirate manga sets record for most volumes sold in 1 yearThe marketing survey firm Oricon reported on Thursday that Eiichiro Oda's One Piece pirate manga set a record for the most volumes of manga sold in one year since Oricon began posting its ranking charts in 2008. During the period of November 22, 2010 to November 20, 2011, One Piece sold 37,996,373 copies.
One Piece also took the top four spots for single manga volumes sold during the same time period. Volume 61 sold 3,382,588 copies, volume 62 sold 3,207,568 copies, volume 63 sold 3,073,175 copies, and volume 64 sold 2,652,700 copies. It is the third year in a row that One Piece volumes have taken the top four spots in that category. These four One Piece volumes were also the only manga volumes this year to sell more than 2 million copies.
In 2008, One Piece sold 5,956,540 copies, and in 2009, it sold 14,721,241 copies. Last year, it sold 32,343,809 copies.
2011's second best-selling manga series was Naruto with 6,874,840 copies, followed by Blue Exorcist's 5,223,712 copies.