| Age | Singer | Group |
|---|---|---|
| 42-years | Super Junior | |
| 38-years 11-months | FIESTAR | |
| 36-years 11-months | FIESTAR | |
| 36-years 11-months | Girls' Generation | |
| 34-years 11-months | INFINITE | |
| 34-years 11-months | SHINee | |
| 33-years 11-months | VAV | |
| 33-years 11-months | B1A4 | |
| 33-years 11-months | Block B | |
| 33-years 11-months | DAY6 | |
| 33-years 11-months | EXO | |
| 32-years 11-months | PENTAGON | |
| 32-years 11-months | INFINITE | |
| 32-years 11-months | GOT7 | |
| 31-years 11-months | FIESTAR | |
| 31-years 11-months | KARA | |
| 31-years 11-months | BTS | |
| 31-years 11-months | GOT7 | |
| 31-years 11-months | LOVELYZ | |
| 30-years 11-months | Wanna One |
| Age | Singer | Group |
|---|---|---|
| 30-years 11-months | DAY6 | |
| 30-years 11-months | ONEUS | |
| 30-years 11-months | Bolbbalgan4 | |
| 30-years 11-months | OH MY GIRL | |
| 30-years 11-months | Twice | |
| 30-years | UP10TION | |
| 29-years 11-months | Red Velvet | |
| 29-years 11-months | VAV | |
| 29-years 11-months | AKMU | |
| 29-years 11-months | WJSN | |
| 29-years 11-months | GOT7 | |
| 28-years 11-months | BTS | |
| 28-years 11-months | OH MY GIRL | |
| 28-years 11-months | THE BOYZ | |
| 27-years 11-months | ONEUS | |
| 27-years 11-months | (G)I-DLE | |
| 27-years 11-months | SHA SHA | |
| 27-years 11-months | VERIVERY | |
| 27-years 11-months | MXM | |
| 27-years 11-months | AB6IX |
| Age | Singer | Group |
|---|---|---|
| 26-years 11-months | NATURE | |
| 26-years 11-months | TXT | |
| 26-years 11-months | X1 | |
| 26-years 11-months | (G)I-DLE | |
| 26-years | Golden Child | |
| 25-years 11-months | APRIL | |
| 25-years 11-months | Cherry Bullet | |
| 25-years 11-months | Stray Kids | |
| 25-years 11-months | Stray Kids | |
| 25-years 11-months | Stray Kids | |
| 24-years 11-months | TOO | |
| 24-years 11-months | CIX | |
| 24-years 11-months | Wanna One | |
| 23-years 11-months | X1 | |
| 23-years 11-months | X1 | |
| 23-years 11-months | CRAVITY | |
| 22-years 11-months | IZ*ONE | |
| 21-years 11-months | IZ*ONE | |
| 21-years 11-months | TEEN TEEN |