| Age | Singer | Group |
|---|---|---|
| 42-years 11-months | Super Junior | |
| 38-years 11-months | Supernova | |
| 37-years 11-months | KARA | |
| 37-years 11-months | TRITOPS | |
| 36-years 11-months | Girls' Generation | |
| 34-years | CROSS GENE | |
| 33-years 11-months | Block B | |
| 32-years 11-months | SF9 | |
| 32-years 11-months | SHINee | |
| 31-years 11-months | N.Flying | |
| 31-years 11-months | N.Flying | |
| 31-years 11-months | OH MY GIRL | |
| 30-years 11-months | NU'EST | |
| 30-years 11-months | Mamamoo | |
| 30-years 11-months | SF9 | |
| 30-years 11-months | Golden Child | |
| 30-years 11-months | UP10TION | |
| 30-years 11-months | VERIVERY | |
| 30-years | APRIL | |
| 29-years 11-months | SEVENTEEN |
| Age | Singer | Group |
|---|---|---|
| 29-years 11-months | Apink | |
| 29-years 11-months | MOMOLAND | |
| 29-years 11-months | X1 | |
| 28-years 11-months | ONEUS | |
| 27-years 11-months | MOMOLAND | |
| 26-years 11-months | ATEEZ | |
| 26-years 11-months | TOO | |
| 26-years 11-months | NATURE | |
| 26-years 11-months | Golden Child | |
| 26-years 11-months | NCT | |
| 26-years 11-months | WJSN | |
| 26-years 11-months | Everglow | |
| 25-years 11-months | ITZY | |
| 25-years 11-months | Everglow | |
| 25-years 11-months | IZ*ONE | |
| 23-years 11-months | X1 | |
| 22-years 11-months | CRAVITY | |
| 21-years 11-months | Weeekly |