The song was released on February 1, 2017, through Interscope Records and Kidinakorner as the lead single from the band's third studio album, Evolve (2017).

[3] It was written by Dan Reynolds, Wayne Sermon, Ben McKee, Daniel Platzman, Justin Tranter and its producers Mattman & Robin.

"Believer" peaked at number four on the US Billboard Hot 100, becoming the band's third top ten single after "Radioactive" and "Demons".

It also reached the top ten in Austria, Canada, Czech Republic, France, Italy, Poland, Portugal, and Switzerland.

[11] The official music video for the song was released on March 7, 2017, on the Imagine Dragons Vevo account, and was directed by Matt Eastin.

[24] "Believer" has reached the top ten in Austria, Canada, Czech Republic, France, Hungary, Italy, Poland, Portugal, Slovakia, Switzerland, and the United States.

[29] The first televised performance of "Believer" was during the March 22, 2017 episode of ABC late-night talk show Jimmy Kimmel Live!.