Member ages
ATLAS Member Ages and Birthdays
ATLAS member ages and birthdays ranked oldest to youngest, from Junior at age 28 to Tad at age 22.
Oldest to youngest
| Rank | Member | Age | Birthday | Position |
|---|---|---|---|---|
| #1 |  JuniorMember | 28 | Sep 23, 1997 | Leader, Sub Vocalist |
| #2 |  PoomMember | 27 | Jul 28, 1998 | Member |
| #3 |  JetMember | 27 | Dec 23, 1998 | Main Vocalist |
| #4 |  NiceMember | 25 | Sep 2, 2000 | Sub Vocalist, Main Dancer |
| #5 |  ErwinMember | 23 | Mar 11, 2003 | Lead Vocalist |
| #6 |  MuonFormer member | 23 | Jun 5, 2003 | Member |
| #7 |  TadMember | 22 | Aug 29, 2003 | Lead Dancer, Lead Vocalist |