Australian pop rock band5 Seconds of Summer have released four studio albums, two live albums, seven extended plays, 21 singles, four promotional singles, and 23 music videos. All four of their studio albums debuted at number one in Australia and all have debuted at number one, within the top three, and within top 10 on a multitude of charts in many other countries. On 5 February 2014, 5 Seconds of Summer listed their worldwide debut single "She Looks So Perfect" for pre-order on the iTunes Store. In late March 2014, "She Looks So Perfect" was released in the UK. It debuted at number one on the UK Singles Chart, making 5 Seconds of Summer the fourth Australian band to have a number one song in the UK and the first in 14 years. On 9 April 2014, the She Looks So Perfect EP debuted at number two on the Billboard 200. On 13 May 2014, the band announced their debut album, named 5 Seconds of Summer, which was released on 22 July 2014. It debuted at number one in Australia and the US. Their second single "Don't Stop" was released in June and debuted at number one in Ireland, number two in the UK and number 8 in New Zealand. On 15 July 2014, they released "Amnesia" as the third single from the album. It peaked at number three in Ireland, number seven in the UK and number sixteen in the US. The band released "Good Girls" as the final single from the album. It peaked at number twelve in Ireland and number nineteen in the UK. On 17 July 2015, the band released "She's Kinda Hot", the first single off their second studio album, Sounds Good Feels Good. It peaked at number six in Australia, number seven in Ireland, number fourteen in the UK, and number twenty-two in the US. The band released "Hey Everybody!" as the second single from the album on 9 October 2015. It peaked at number forty-nine in the UK and Ireland and number seventy in Australia. The band then released Sounds Good Feels Good two weeks later. It peaked at number one in the charts of ten countries, including Australia, Canada, Ireland, the UK and the US. The band released "Jet Black Heart" as the third and final single from the album. It peaked at number thirty-four in Australia, number sixty in the UK, number seventy-eight in Ireland and number ninety-five in the US. On 22 February 2018, the band released "Want You Back", the lead single from their third studio album. It peaked in the top 40 in the UK, Ireland, and Australia. The second single was the title track, which peaked at number one for eight consecutive weeks in Australia and four consecutive weeks in New Zealand. On 15 June 2018, the band released their third studio album Youngblood. It debuted at number one in Australia and the US. On 27 March 2020, the band released their fourth studio album Calm which commercial success and received generally positive reviews from critics. The album charted in more than 25 countries on several charts, and debuted atop the charts at number one in Australia, the UK and Scotland. The album peaked in the top 10 on 17 charts, including number two in Mexico and number four in Austria, Estonia, Ireland, New Zealand and Portugal. All singles from the band's four studio albums, as well as all four albums, have charted in a substantial number of countries, received multiple official sales certifications and have been featured in a large amount of weekly and year-end charts, as well as making an appearance on decade-end charts.
