Member ages
TripleS Member Ages and Birthdays
TripleS member ages and birthdays ranked oldest to youngest, from YooYeon at age 25 to SeoAh at age 16.
Oldest to youngest
| Rank | Member | Age | Birthday | Position |
|---|---|---|---|---|
| #1 |  YooYeonMember | 25 | Feb 9, 2001 | Leader, Visual |
| #2 |  MayuMember | 24 | May 12, 2002 | Vocalist, Rapper |
| #3 |  XinyuMember | 24 | May 25, 2002 | Visual |
| #4 |  NaKyoungMember | 23 | Oct 13, 2002 | Vocalist, Rapper, Dancer |
| #5 |  SoHyunMember | 23 | Oct 13, 2002 | Vocalist, Rapper, Dancer |
| #6 |  DaHyunMember | 23 | Jan 8, 2003 | Main Vocalist |
| #7 |  NienMember | 23 | Jun 2, 2003 | Rapper |
| #8 |  SeoYeonMember | 22 | Aug 6, 2003 | Vocalist |
| #9 |  JiYeonMember | 22 | Feb 13, 2004 | Dancer |
| #10 |  KotoneMember | 22 | Mar 10, 2004 | Main Dancer, Rapper |
| #11 |  ChaeYeonMember | 21 | Dec 4, 2004 | Vocalist |
| #12 |  YuBinMember | 21 | Feb 3, 2005 | Main Dancer, Vocalist, Visual |
| #13 |  JiWooMember | 20 | Oct 24, 2005 | Main Vocalist |
| #14 |  KaedeMember | 20 | Dec 20, 2005 | Main Dancer, Vocalist, Rapper, Visual |
| #15 |  ShiOnMember | 20 | Apr 3, 2006 | Main Vocalist |
| #16 |  LynnMember | 20 | Apr 12, 2006 | Main Dancer |
| #17 |  SullinMember | 19 | Nov 30, 2006 | Dancer |
| #18 |  HyeRinMember | 19 | Apr 12, 2007 | Main Dancer |
| #19 |  ChaeWonMember | 19 | May 2, 2007 | Vocalist |
| #20 |  HaYeonMember | 18 | Aug 1, 2007 | Dancer, Vocalist |
| #21 |  SooMinMember | 18 | Oct 3, 2007 | Vocalist |
| #22 |  YeonJiMember | 18 | Jan 8, 2008 | Visual, Pianist |
| #23 |  JooBinMember | 17 | Jan 16, 2009 | Visual, Photographer |
| #24 |  SeoAhMember | 16 | Jun 11, 2010 | Maknae |