RM released his first solo mixtape, RM, in 2015. In 2018, he released his second mixtape, Mono, which peaked at number 26 on the US Billboard 200 and became the highest-charting album by a Korean soloist in chart history. He has also collaborated with artists such as Wale, Younha, Warren G, Gaeko, Krizz Kaliko, MFBTY, Fall Out Boy, Primary, and Lil Nas X.

Apart from singing, Kim appeared as a host on multiple South Korean music programs from 2016 to 2018. In 2018, he was awarded the fifth-class Hwagwan Order of Cultural Merit by the President of South Korea along with his bandmates, for his contributions to Korean culture.

J-Hope released his first solo mixtape, Hope World, in 2018. The album was met with a positive reception from critics, and peaked at number 38 on the Billboard 200 in the United States, making him the highest-charting solo Korean artist on the ranking at the time. He became the first member of BTS to enter the Billboard Hot 100 as a soloist in 2019, when his single "Chicken Noodle Soup", featuring singer Becky G, debuted at number 81 on the chart. In 2022, J-Hope released his debut studio album Jack in the Box.

Jimin has released three solo tracks with BTS: "Lie" in 2016, "Serendipity" in 2017, and "Filter" in 2020, all of which have charted on South Korea's Gaon Digital Chart. In 2018, he released his first independent song, the digital track "Promise", which he co-wrote and co-composed. He appeared on the soundtrack for the 2022 TvN drama Our Blues, and sang "With You", a duet with Ha Sung-woon.

Jungkook has released three solo tracks with BTS: "Begin" in 2016, "Euphoria" in 2018, and "My Time" in 2020, all of which have charted on South Korea's Gaon Digital Chart. He also sang the soundtrack for the BTS-based webtoon 7Fates: Chakho, titled "Stay Alive". In 2022, he was featured on the single "Left and Right" by American singer-songwriter Charlie Puth, which peaked at number 22 on the U.S. Billboard Hot 100.