6 K-pop Groups That Had No Member Changes Since Debut

The K-pop industry is very unpredictable, and a lot can change in the blink of an eye. One of those changes is a group's member lineup. For some groups, there are times when they remove members or add new ones to the existing lineup. Some groups who have done this are KARA, Brave Girls, Super Junior, and Red Velvet, to name a few. However, there are also existing groups that haven't had any changes in their lineup at all!

With that, here are some of the K-pop groups that had no member chances since their debut.

1. SEVENTEEN

On May 26, 2015, Pledis Entertainment debuted the boy group SEVENTEEN. The group became a hot topic for the thirteen members, consisting of Woozi, S.Coups, Joshua, Jeonghan, Wonwoo, Hoshi, Jun, The8, DK, Mingyu, Vernon, Seungkwan, and Dino.

After being in the industry for over seven years, the group remains strong with all of its members. All of them also renewed their contracts with the company, defeating the infamous seven-year curse.

2. TWICE

JYP Entertainment debuted their girl group TWICE on October 20, 2015, after the members competed in the survival program "SIXTEEN." The group debuted with nine members: Nayeon, Momo, Jeongyeon, Jihyo, Sana, Mina, Chaeyoung, Dahyun, and Tzuyu.

Although the group was plagued with disbandment rumors, all nine members ended up renewing their contracts and continuing their TWICE promotions with no members lost.

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3. SF9

On October 5, 2016, FNC Entertainment launched their nine-member boy group SF9, also known as Sensational Feeling 9. The group's lineup currently consists of Youngbin, Inseong, Jaeyoon, Dawon, Rowoon, Zuho, Yoo Taeyang, Hwiyoung, and Chani. In 2021, all nine members of SF9 renewed their contracts with FNC Entertainment.

4. BTS

Big Hit Music's top boy group BTS made their debut on June 12, 2013, featuring members RM, Jin, Suga, J-Hope, Jimin, V, and Jungkook. Like TWICE, BTS has recently been plagued with disbandment rumors, given their group hiatus and immense success these past years. But despite all that, the members emphasize that they are not disbanding. All seven members haven't had any lineup changes and will remain that way until their next contract renewal in 2026.

5. NU'EST

Although NU'EST is no longer active as a group following their disbandment on March 15 of this year, the group didn't have any member changes during their time promoting. NU'EST debuted under Pledis Entertainment on March 15, 2012, with five members: JR, Aron, Baekho, Minhyun, and Ren. The group promoted together for ten years until ultimately deciding to pursue solo activities.

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6. SISTAR

Like NU'EST, SISTAR is no longer an active group after disbanding back in 2017. However, they are also one of the groups that didn't have any member changes following their debut on June 3, 2010. From their debut until their disbandment, the lineup consisted of Dasom, Bora, Hyolyn, and Soyou for seven years.

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Written by Robyn Joan