Âges des membres
USPEER Member Ages and Birthdays
USPEER member ages and birthdays ranked oldest to youngest, from Yeowon at age 20 to Roa at age 16.
Du plus âgé au plus jeune
| Rang | Membre | Âge | Anniversaire | Position |
|---|---|---|---|---|
| #1 |  YeowonFormer member | 20 | Apr 10, 2006 | Leader, Rapper |
| #2 |  SoeeMember | 19 | Mar 11, 2007 | Rapper |
| #3 |  SianMember | 19 | Aug 18, 2007 | Main Vocalist, Rapper, Dancer |
| #4 |  SeoyuMember | 18 | Nov 26, 2007 | Main Dancer |
| #5 |  DaonMember | 18 | Jul 7, 2008 | Vocalist |
| #6 |  ChaenaMember | 17 | Jun 8, 2009 | Vocalist |
| #7 |  RoaMember | 16 | Oct 28, 2009 | Vocalist, Maknae |