How many songs has Justin Bieber sung?

Justin Bieber has released a total of 291 songs across 17 different projects, including studio albums, mixtapes, EPs, and live albums. This number includes the artist's solo tracks, features, remixes, covers, and interludes. Please note that this information may have changed since the time of my last update, so it's a good idea to consult official sources for the most up-to-date information on Justin Bieber's discography.