The 23-year-old Canadian singer joined Twitter in March 2009.
Currently at No. 1 is fellow pop star Katy Perry with over 103 million followers.
According to Twitter, there have been over two million mentions of Bieber's name as of writing, and the term "Belieber" has been tweeted 84 million times.
Among the most tweeted songs of Bieber are "Boyfriend," "Baby," "Sorry," "What Do You Mean," and "Love Yourself."
Last August 17, Bieber released his latest song "Friends," his first single in almost 18 months.
source: news.abs-cbn.com
