| Age | Singer | Group |
|---|---|---|
| 37-years 11-months | Girl's Day | |
| 35-years 11-months | BIGBANG | |
| 35-years 11-months | KARA | |
| 34-years 11-months | Girls' Generation | |
| 32-years 11-months | EXO | |
| 31-years 11-months | EXID | |
| 31-years 11-months | EXO | |
| 30-years 11-months | Girl's Day | |
| 30-years 11-months | A.C.E | |
| 30-years 11-months | NU'EST | |
| 30-years 11-months | LOVELYZ | |
| 30-years 11-months | GWSN | |
| 29-years 11-months | South Club | |
| 29-years 11-months | Dreamcatcher | |
| 28-years 11-months | OH MY GIRL | |
| 28-years 11-months | BTOB | |
| 28-years 11-months | EXID | |
| 28-years 11-months | JBJ95 | |
| 28-years 11-months | SHA SHA | |
| 27-years 11-months | VAV |
| Age | Singer | Group |
|---|---|---|
| 27-years 11-months | VICTON | |
| 27-years 11-months | KNK | |
| 27-years 11-months | UP10TION | |
| 27-years 11-months | Wanna One | |
| 27-years 11-months | S.I.S | |
| 26-years 11-months | GOT7 | |
| 26-years 11-months | LOONA | |
| 25-years 11-months | UP10TION | |
| 25-years 11-months | Everglow | |
| 25-years 11-months | WJSN | |
| 25-years 11-months | Twice | |
| 24-years 11-months | AKMU | |
| 24-years 11-months | APRIL | |
| 24-years 11-months | SF9 | |
| 24-years 11-months | WJSN | |
| 24-years 11-months | VERIVERY | |
| 24-years 11-months | Wanna One | |
| 23-years 11-months | S.I.S | |
| 23-years 11-months | Wanna One | |
| 23-years 11-months | CIX |
| Age | Singer | Group |
|---|---|---|
| 23-years 11-months | fromis_9 | |
| 23-years 11-months | Everglow | |
| 23-years 11-months | APRIL | |
| 23-years 11-months | ITZY | |
| 22-years 11-months | TOO | |
| 21-years 11-months | NATURE | |
| 21-years 11-months | Weeekly | |
| 19-years | RCPC |