Justin Bieber discography

Justin Bieber has released four studio albums, four compilation albums, one extended play, twenty-nine singles (including eight as a featured artist), and seventeen promotional singles. As of 2015, Bieber had sold 44.7 million records in the United States, of which 10.7 million account for aggregated album sales. At the age of thirteen, Bieber was discovered by current manager, Scooter Braun, on YouTube and subsequently signed by R&B singer Usher to RBMG. Popular urban producers Tricky Stewart and The-Dream were enlisted for Bieber's debut single, "One Time", which peaked at number 12 in Canada and reached the top twenty in several other countries. Bieber's debut extended play My World was released in November 2009; it debuted at number one in Canada and reached the top five in several other countries, including the United Kingdom and the United States. The EP also produced the follow-up single "One Less Lonely Girl", as well as the promotional singles "Favorite Girl" and "Love Me".

Bieber's full-length debut studio album, My World 2.0, was released in March 2010. The album was a commercial success, topping the charts in countries such as Australia, Canada and the United States. My World 2.0 received multi-platinum certifications from Music Canada (MC) and the Recording Industry Association of America (RIAA). The album was preceded by the release of its lead single, "Baby", a collaboration with American rapper Ludacris. It reached the top five in countries such as Canada, Australia and the United States. It was followed by the singles "Somebody to Love" and "U Smile".

In 2011, Bieber released the remix album Never Say Never: The Remixes, which topped the charts in Canada and the United States. Its lead single, "Never Say Never", also hit the top ten in several countries. His second studio album Under the Mistletoe was released in November 2011, topping the charts in Canada and the United States. Its single "Mistletoe" reached the top ten in Canada and Denmark.

Believe, Bieber's third studio album, followed in June 2012. It topped the charts in sixteen countries and was certified two times platinum by Music Canada. The album's lead single, "Boyfriend", reached the number one spot in Canada and peaked at number two in the US. Believe also produced the singles "As Long as You Love Me" and "Beauty and a Beat". Believe Acoustic was released in January 2013, becoming Bieber's fifth number-one album in Canada and the United States.

In 2015, Bieber released his fourth studio album, Purpose, which debuted atop the US Billboard 200 with his best first-week sales of 522,000 copies. Its singles "What Do You Mean?", "Sorry", and "Love Yourself" all topped the charts in Canada, Denmark, Ireland, New Zealand, Sweden, the United Kingdom, and the United States.