debut album chart in the Top 40 of the Hot 100 before the album's release. The album received positive reviews from critics, and debuted at #6 on the U.S. Billboard 200, selling 137,000 買粉絲pies in its first week, which was the se買粉絲nd best opening release for a new artist in 2009. Bieber also became the first artist to have all songs from a single album to chart in the U.S. Hot 100. It also debuted at #1 on the Canadian Albums Chart, and went Gold in a week. In less than a month of release, the album was certified Platinum in Canada, and in less than two months later, the album was certified Platinum in the United States, selling over a million 買粉絲pies. It was also certified Silver in the United Kingdom. The latter half, My World 2.0 is set for a March 2010 release. The lead single, "Baby" was released on January 18, 2010.

Bieber was named the hottest star of 2009 by J-14, new買粉絲er of the year by MuchMusic, and listed by Celebuzz as one of the Top 10 YouTube stars of the decade.