Member ages
STAYC Member Ages and Birthdays
STAYC member ages and birthdays ranked oldest to youngest, from Sumin at age 25 to J at age 21.
Average23.2years old
Oldest to youngest
| Rank | Member | Age | Birthday | Position |
|---|---|---|---|---|
| #1 | SuminMember | 25 | Mar 13, 2001 | Vocalist, Rapper |
| #2 |  SieunMember | 24 | Aug 1, 2001 | Main Vocalist |
| #3 |  IsaMember | 24 | Jan 23, 2002 | Lead Vocalist |
| #4 |  SeeunMember | 23 | Jun 14, 2003 | Vocalist |
| #5 |  YoonMember | 22 | Apr 14, 2004 | Lead Vocalist |
| #6 | JMember | 21 | Dec 9, 2004 | Vocalist, Rapper, Maknae |