Member ages
Cosmic Girls Member Ages and Birthdays
Cosmic Girls member ages and birthdays ranked oldest to youngest, from Seola at age 31 to Yeonjung at age 26.
Average28.5years old
Oldest to youngest
| Rank | Member | Age | Birthday | Position |
|---|---|---|---|---|
| #1 | SeolaMember | 31 | Dec 24, 1994 | Lead Vocalist |
| #2 |  XuanyiFormer member | 31 | Jan 26, 1995 | Lead Vocalist |
| #3 |  BonaMember | 30 | Aug 19, 1995 | Lead Dancer, Vocalist |
| #4 |  EXYMember | 30 | Nov 6, 1995 | Leader, Main Rapper |
| #5 |  SoobinMember | 29 | Sep 14, 1996 | Main Vocalist |
| #6 |  LudaMember | 29 | Mar 6, 1997 | Vocalist, Rapper |
| #7 |  Da WonMember | 29 | Apr 16, 1997 | Lead Vocalist |
| #8 |  EunseoMember | 28 | May 27, 1998 | Lead Dancer, Vocalist, Rapper |
| #9 |  Cheng XiaoFormer member | 27 | Jul 15, 1998 | Main Dancer, Sub Vocalist |
| #10 |  MeiqiFormer member | 27 | Oct 15, 1998 | Main Dancer, Lead Vocalist |
| #11 |  YeoreumMember | 27 | Jan 10, 1999 | Main Rapper, Vocalist |
| #12 |  DayoungMember | 27 | May 14, 1999 | Lead Vocalist, Rapper |
| #13 | YeonjungMember | 26 | Aug 3, 1999 | Main Vocalist |