The Japanese producer Shueisha has announced that it has printed 100,400,000 books in Masashi Kishimoto's Naruto ninja manga series. Shueisha will release the 51st volume of Naruto on Friday. Naruto is the fifth Shueisha manga to surpass the 100-million mark; among others, it follows in the foosteps of Eiichiro Oda's One Piece pirate manga (189 million copies) and Akira Toriyama's Dragon Ball action manga (152 million copies).

Viz Media will publish the 48th volume of the manga in North America in June.

Source: Yomiuri Shimbun

Update: Shueisha added to article's title. Takehiko Inoue celebrated the 100 millionth book of his Slam Dunk basketball manga in 2004. According to the Daily Cyzo website, Osamu Akimoto's Kochira Katsushika-ku Kamearikouen-mae Hashutsujo police comedy manga sold 150 million copies as of the 164th volume last year.

Update 2: Mainichi Shimbun lists the five top Shueisha manga in order of release:

Title Copies:
Kochira Katsushika-ku Kamearikouen-mae Hashutsujo - 142 million
Dragon Ball - 152 million
Slam Dunk - 117 million
One Piece - 189 million
Naruto - 100.4 million