South Korean boy band BTS have released nine studio albums (one of which was reissued under a different title), six compilation albums, and six extended plays. In December 2018, BTS surpassed 10 million albums sold, setting the record for reaching that milestone in the shortest span of time (5½ years) among all Korean acts to have debuted since 2000, with five million of those albums being sold in South Korea in 2018 alone. By April 2020, the group had sold over 20 million physical albums in South Korea in less than seven years, and became the best-selling Korean act of all time. As of November 2021, they have sold over 32.7 million albums domesticall.The group debuted in South Korea on June 13, 2013, with the single album 2 Cool 4 Skool. They made a comeback in September 2013 with an extended play, O!RUL8,2?. In February 2014, BTS released their second extended play, Skool Luv Affair. This marked the first time their album charted on the Billboard World Albums chart, and Japan's Oricon Albums Chart. A repackaged version of the album, Skool Luv Affair Special Addition was released in May 2014. BTS released their first studio album, Dark & Wild in August 2014. It was their first album to break into the US Top Heatseekers chart. To wrap up 2014, BTS made their Japanese debut in December 2014 with first Japanese studio album Wake Up. All of their Japanese singles—"No More Dream", released on June 4; "Boy in Luv", released on July 16; and "Danger", released on November 19—made it into the top 10 of the Oricon Albums Chart as well as the Japan Hot 100.The group's third extended play, The Most Beautiful Moment in Life, Pt. 1, was released in April 2015. BTS made a comeback with their fourth extended play, The Most Beautiful Moment in Life, Pt. 2, in November 2015. For the first time, the group entered the Billboard 200 at 171 with the EP. It also topped the Billboard Top Heatseekers and World Albums charts for 4 weeks, the most by a South Korean act. Their first compilation album, The Most Beautiful Moment in Life: Young Forever was released in May 2016. In September 2016, BTS released their second Japanese studio album, entitled Youth, selling over 44,000 copies in its first day of release. It became the group's first studio album to top both the daily and weekly Oricon albums charts. To wrap up 2016, the group released their second studio album, Wings in October 2016. It debuted at 26 on the Billboard 200, making it the highest-ranking Korean album ever on the chart at the time. Its repackage album, You Never Walk Alone, was released in February 2017. Their fifth extended play, Love Yourself: Her, was then released in September 2017. The EP opened at number seven on the US Billboard 200 with 31,000 album-equivalent units, making it the highest-charting K-pop album on the chart and biggest sales week of a K-pop album to date.In April 2018, they released their third Japanese studio album, Face Yourself. It debuted at number 43 on the Billboard 200 with 12,000 album-equivalent units, making it the third-highest-charting Japanese album in the history of the chart. Just one month later, it became their first Japanese album to be certified Platinum by the RIAJ, having sold over 250,000 copies within that time. BTS's third Korean studio album, Love Yourself: Tear, was released on May 18, 2018, and debuted at number one on the US Billboard 200, becoming the group's highest-charting album in a Western market, as well as the first K-pop album to top the US albums chart and the highest-charting album by an Asian act. BTS had the second-best total album sales in the US in 2018 behind Eminem, and accounted for 22.6% of the total albums sold in Korea that year. In 2019, the group scored their third number one with Map of the Soul: Persona, BTS's sixth extended play, on the US Billboard 200 making them the first group since the Beatles in 1996 to have three number one albums in less than a year. The EP became the best-selling album in South Korea's history, selling nearly 3.4 million copies in two months. This record was later broken by their 2020 fourth Korean studio album, Map of the Soul: 7, which sold 4.1 million copies in less than nine days of release and gave BTS their fourth US Billboard 200 number one.

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