2001–2003: All Killer No Filler and Does This Look Infected?

Sum 41's first full-length album, All Killer No Filler, was released on May 8, 2001 following an album release party at a record store in St. Louis, MO.The album was very successful; it was certified platinum by the Recording Industry Association of America in August 2001. "Fat Lip", the album's first single, achieved significant chart and commercial success; it topped the US Billboard Modern Rock Tracks chart as well as many other charts around the world.The song remains the band's most successful to date. After "Fat Lip", two more singles were released from the album: "In Too Deep" and "Motivation". "In Too Deep" peaked at number 10 on the Modern Rock Tracks chart, while "Motivation" peaked at number 24 on the same chart.The album peaked at number 13 on the Billboard 200 chart and at number nine on the Top Canadian Albums chart. The album was a commercial success, and was certified Platinum in the United States, Canada and in the UK.The album's name was taken from the initial reaction from Joe Mcgrath, an engineer working in the studio.

The success of the album brought the band touring offers with mainstream bands such as Blink-182 and The Offspring.The band spent much of 2001 touring; the group played over 300 concerts that year before returning to the studio to record another album

On November 26, 2002, the group released its second album, Does This Look Infected?The special edition came with a DVD, Cross The T's and Gouge Your I's. Whibley said of the album: "We don't want to make another record that sounds like the last record, I hate when bands repeat albums." The album featured a harder and edgier sound, and the lyrics featured a more serious outlook.The album peaked at number 32 on the Billboard 200 chart and at number eight on the Top Canadian Albums chart.It was certified Platinum in Canada and gold in the United States, but was not as successful as its predecessor.

The first single released from the album was "Still Waiting", which peaked at number seven on the Modern Rock Tracks chart.The second single, "The Hell Song" peaked at number 13 on the chart."The Hell Song"'s music video depicted the band members using dolls with their pictures on them and others, such as Korn, Kiss, AC/DC, Snoop Dogg, Destiny's Child, Ozzy Osbourne, Sharon Osbourne, and Pamela Anderson.The third single, "Over My Head (Better Off Dead)", had a video released exclusively in Canada and on the band's website, featuring live shots of the band.The video also appeared on the group's live DVD, Sake Bombs And Happy Endings (2003), as a bonus feature.The band again began a long tour to promote the album before recording the group's third studio album.

2006–2008: Underclass Hero, All the Good Shit and Baksh's departure

On May 10, 2006, Dave Baksh announced in a statement through his management company that he was leaving Sum 41 to work with his new band, Brown Brigade, which has a more "classic metal" sound. Baksh cited "creative differences" as the reason for his departure, but claimed that he was still on good terms with the band.[51] The next day, Whibley confirmed Baksh's departure and announced that the band would only replace him with a touring guitarist, who would not have any decision-making power in the band or be in videos, photo shoots, or albums. The band hired Gob frontman and guitarist Tom Thacker to replace Baksh.

Recording of the band's fourth studio album, Underclass Hero, began on November 8, 2006, and finished on March 14, 2007. On April 17, 2007, the band released a song on iTunes, "March of the Dogs". Although not a single, the band released it early because, according to Whibley, "the record [wouldn't] be out until the summer". Whibley was threatened with deportation for the song, because he metaphorically "killed the president" on it.

The album, backed by the first single and title track, "Underclass Hero", was released on July 24, 2007.[54] Despite mixed reviews, the album was a commercial success, debuting at number seven on the Billboard 200 and at number one on the Billboard Rock Albums chart, the band's highest US chart position to date. It also peaked at number one on the Canadian Albums chart and on the Alternative Albums chart, a first for the band on both the charts.[55] Two more singles were released from the album, "Walking Disaster" and "With Me". "With Me" especially found radio success by 2008. Underclass Hero was certified Platinum in Canada.

In October 2007, the band began the Strength in Numbers Tour, a tour of Canada with Canadian band Finger Eleven; Die Mannequin opened each of Sum 41's shows. During the tour, Whibley sustained a herniated disk. As a result, the group cancelled the rest of its shows.[56] After Whibley recovered from his injury, the band continued the Underclass Hero tour in March 2008 and toured until early July, when the group began preparation for its next album

Sum 41 released a greatest hits album in Japan titled 8 Years of Blood, Sake and Tears on November 26, 2008. The album included a previously unreleased song, "Always", and a DVD, which contains each of the band's music videos.[58] On March 17, the band released the worldwide version of the album titled All the Good Shit.

2013–2014: Jocz's departure

On April 18, 2013, drummer Jocz announced he would be leaving the band on his official Facebook page,[82] leaving Whibley as the sole founding member of the band.

On May 16, 2014, Deryck Whibley posted on his website, explaining that he had liver and kidney failure due to excessive drinking. He also said that he had some ideas for new songs, and that the band would be soon starting to make a new album.[84] On June 9, 2014, Whibley said on his Facebook page that he was working on new Sum 41 music out of his home studio to get ready to record some new tunes

2015–2018: Zummo's arrival, Baksh's return and 13 Voices

On July 9, 2015, the band launched a PledgeMusic campaign for its comeback album.[86] On July 23, 2015, the band played its comeback show at the Alternative Press Awards, which featured former lead guitarist Dave Baksh, joining the band on stage nine years after his departure. The band's set also featured DMC as guest. It also introduced Frank Zummo from Street Drum Corps as the new drummer. Sum 41 confirmed Baksh's official return to the band on August 14, 2015. On December 26, 2015, Sum 41 teased two new songs on their Instagram profile.

The band performed on the 2016 Warped Tour.[88] On May 11, 2016, the group announced its signing to Hopeless Records.[89] The band announced on June 6, 2016 that their sixth album would be called 13 Voices and would be released on October 7, 2016. That same day, they also revealed album's track list and cover art.[90] The first song from the upcoming album, "Fake My Own Death", was released on June 28, 2016, through Hopeless Records' official YouTube channel, along with a music video for the song. The song was performed on The Late Show with Stephen Colbert on October 3, 2016. The album's first official single, "War", was released on August 25, 2016.[91] On September 28, 2016, the album's eighth track, "God Save Us All (Death to Pop)" was leaked online,[92] before being officially released (along with a live music video) on September 29, 2016.[93] The band invited fans to record a music video for "Goddamn I'm Dead Again" that was released on May 3, 2017.

On October 22, 2017, the band's Facebook page announced that Whibley had started writing new songs.[95] The group embarked on a 15th anniversary tour of Does This Look Infected in 2018

1998–2000: Half Hour of Power

In 1998, the band recorded a demo tape on compact cassette which they sent to record companies in the hope of getting a recording contract. The tapes are considered rarities.

From 1999 to 2000, the band recorded several new songs. The Introduction to Destruction and later the Cross The T's and Gouge Your I's DVDs both contain the self-recorded footage, which show the band performing a dance to "Makes No Difference" in front of a theatre

After signing with Island Records in 1999, Sum 41's first EP, Half Hour of Power, was released on June 27, 2000.The first single released by the band was "Makes No Difference", which had two different music videos.The first video was put together using the video clips sent to the record label, and the second showed the band performing at a house party.The album was certified platinum in Canada

2004–2005: Chuck

In late May 2004, the band traveled to the Democratic Republic of Congo with War Child Canada, a branch of the British charity organization War Child, to document the country's civil war.[38] Days after arriving, fighting broke out in Bukavu near the hotel where the band was staying.[39] The band waited for the fighting to die down, but it did not. A UN peacekeeper, Charles "Chuck" Pelletier, called for armoured carriers to take the hotel's occupants out of the hot zone. After nearly twenty hours, the carriers arrived, and the band and forty other civilians were taken to safety.

In honour of Pelletier, Sum 41 named its next album Chuck; it was released on October 12, 2004.[41] The album charted at number 10 on the Billboard 200 chart and on the Top Internet Albums chart. It also peaked at number two on the Canadian Albums chart and was the band's highest-charting album until it was surpassed by Underclass Hero. The album received positive reviews, and was certified Platinum in Canada and gold in the United States

The first single from the album was "We're All To Blame", which peaked at number 10 on the Modern Rock Tracks chart. It was followed by "Pieces", a relatively soft song which reached the top of the charts in Canada. The next single was "Some Say", released only in Canada and Japan. The last single from the record was "No Reason", released at the same time as "Some Say", but with no music video. It was released only in Europe and the US, where it reached number 16 on the Billboard Modern Rock chart

A documentary of the band's experience in Congo was made into a film called Rocked: Sum 41 in Congo and later aired on MTV. War Child released it on DVD on November 29, 2005, in the United States and Canada.

Following the album's release, the band went on a tour with Good Charlotte until 2006.[47] On December 21, 2005, Sum 41 released a live album, Happy Live Surprise, in Japan.[48][49] The CD contained a full concert recorded live in London, Ontario and was produced by Whibley. The same CD was released March 7, 2006, in Canada under the name Go Chuck Yourself.[48][49] The band played videos before its set that were deemed "unsuitable for children". Controversy arose over some of the videos' violent content.

2009–2012: Screaming Bloody Murder and Thacker's promotion

Drummer Steve Jocz confirmed that Tom Thacker was now an official member of Sum 41, and would take part in the writing and recording.[60] On November 5, 2009, Whibley posted a blog on the band's MySpace page announcing Gil Norton as the producer of the band's upcoming album, also saying that 20 songs were already written for the album.[61] In an interview with Tom Thacker, some working titles for songs for the new album were confirmed, including "Panic Attack", "Jessica Kill" and "Like Everyone Else".[62] Pre-production for the new album took 13 days in December 2009, with the band officially entering the studio to begin recording at Perfect Sound Studios on January 26, 2010. The new studio album, titled Screaming Bloody Murder,[63] was expected for a late 2010 release, but was delayed until early 2011.[64] The band finished recording on June 24, 2010, just before joining the 2010 Warped Tour. While the group was on the tour, the new album entered the post-production stages of mixing and mastering.[64] A new song called "Skumfuk" was leaked online on July 6, 2010.[65] In an interview with Canoe.ca, Steve Jocz said that while producer Gil Norton was originally hired to engineer the new album, he was only around for a week and Sum 41 self-produced the record

The first single from the album, "Screaming Bloody Murder", was released on February 7, 2011, in the United States.[66][67] The song had its worldwide premiere on January 14, 2011, on Windsor, Ontario radio station 89X.[68] The album Screaming Bloody Murder was released in Japan on April 6, 2011.[69] On February 28, 2011, a stream of "Blood in My Eyes", another new song from the album, was released for free listening on Alternative Press.[70] On May 28, 2011, Sum 41 performed a live set for Guitar Center Sessions on DirecTV. The episode included an interview with program host Nic Harcourt

"Baby You Don't Wanna Know" was released as the album's second single.[72] The band shot a music video for the song during a day off in Germany.[73] A music video was also produced for the first single, "Screaming Bloody Murder", but it was left unreleased due to its content and difficulties with the label

On August 9, 2011, Sum 41 released the live album Live at the House of Blues, Cleveland 9.15.07 – a live recording of a show that took place on September 15, 2007, in Cleveland, Ohio, while the band was touring its previous album Underclass Hero.[75] A week later when the band was touring the US as part of the Vans Warped Tour, making up for dates the group had to cancel on its 2010 tour, they were forced once again to cancel all remaining dates, when Whibley re-injured his back after playing three shows.[76] It was announced on the band's official website that they would be postponing indefinitely all upcoming tour dates for 2011 while Whibley underwent treatment. In an interview with Jason McCaslin that took place in Oppikoppi, he said that "it's safe to say Sum 41 won't have another album out for at least the next two years".[77] In 2011 Sum 41 was nominated for a Grammy Award for Best Hard Rock/Metal Performance for the song "Blood in My Eyes", but lost to the Foo Fighters

In February 2012 the band shot a music video for the song "Blood in My Eyes", the third single from the album, with director Michael Maxxis in Los Angeles.[78] Shooting took place on February 29 at the desert around the Los Angeles area;[79] it was released a month later.

From November to December 2012 the band undertook the Does This Look Infected? 10th Anniversary Tour, touring the United States to celebrate the album's release in 2002

On November 26, 2012, the band members revealed that they were taking a break from touring in 2013 to begin work on a new record

2019–present: Order in Decline

On April 22, 2019, the band announced via social media that they were returning with new music.[97] On April 24, they released the single, "Out For Blood" through Hopeless Records.[98][99] The same day, the band also announced their seventh studio album, Order in Decline, with a set release date of July 19, 2019.[99][100] The second single from the album "A Death in the Family" was leaked online on June 10, 2019, before officially being released as a single the following day along with a music video.[101] On June 18, 2019, "Never There" was released as the third single, along with a video.[102] On July 8, 2019, the band released "45 (A Matter of Time)" as the fourth single, along with a video.