Member ages
BUS Member Ages and Birthdays
BUS member ages and birthdays ranked oldest to youngest, from Alan at age 23 to Peemwasu at age 19.
Oldest to youngest
| Rank | Member | Age | Birthday | Position |
|---|---|---|---|---|
| #1 |  AlanMember | 23 | Jul 29, 2002 | Leader, Main Rapper, Vocalist |
| #2 |  MarckrisMember | 23 | Dec 8, 2002 | Main Vocalist |
| #3 |  KhunpolMember | 23 | Mar 14, 2003 | Lead Dancer, Lead Vocalist, Visual |
| #4 |  HeartMember | 23 | Apr 5, 2003 | Main Dancer |
| #5 |  JinwookMember | 21 | Jul 14, 2004 | Lead Rapper |
| #6 |  ThaiMember | 21 | Sep 25, 2004 | Lead Vocalist |
| #7 |  NexMember | 21 | Mar 17, 2005 | Lead Dancer, Lead Rapper |
| #8 |  PhutatchaiMember | 21 | Apr 10, 2005 | Lead Vocalist |
| #9 |  CopperMember | 20 | Apr 17, 2006 | Main Vocalist |
| #10 |  AAMember | 20 | Jun 20, 2006 | Vocalist, Visual |
| #11 |  JungTMember | 19 | Jun 29, 2006 | Main Rapper |
| #12 |  PeemwasuMember | 19 | Jul 8, 2006 | Lead Vocalist, Lead Dancer, Rapper, Maknae |