AKB48 has been an immensely popular Japanese idol group, and according to Oricon, they had sold more than 20 million singles since their first release 7 years ago.
Their first indie single “Sakura no Hanabira Tachi (桜の花びらたち) was released back in Feb 2006. And since then they have achieved tremendous results, and even a few single that sold more than a million copies on their release day.
According to Oricon, the previous record holder was Mr.Children, whom achieved the 20 million mark after 8 years. Other artistes that have managed this incredible achievement include SMAP, Hamazaki Ayumi, B’z and Southern All Stars.