27 yo Kim Jiwoong
Visual
ZEROBASEONE
제로베이스원
- Name:
ZEROBASEONE - Aliases:
- ZB1
- Hangul:
제로베이스원 - Fandom:
- ZE_ROSE
- Debuted On:
- Jul 10, 2023
- Generation:
- Gen 5 | 2023 - Present
- Group Type:
- Boy
About ZEROBASEONE
Music Label
Wake One Ent.
27 yo 
25 yo Zhang Hao
Main Vocalist, Visual, Center
24 yo Sung Hanbin
Leader, Visual, Main Dancer
23 yo Seok Matthew
Member
23 yo Kim Taerae
Main Vocalist
21 yo Ricky
Member
21 yo Kim Gyuvin
Visual
20 yo Park Gunwook
Rapper, Vocalist, Dancer
18 yo Han Yujin
Visual, Maknae
Lightstick
| Avg Age | 23 years old |
| Oldest | Kim Jiwoong (27 years old) |
| Youngest | Han Yujin (18 years old) |
| Avg Gap | 12.4 months |
| Next Birthday | Han Yujin (Mar 20) |
| Last Birthday | Kim Jiwoong (Dec 14) |
| Tallest | Kim Gyuvin (188 cm / 6ft 2in) |
| Shortest | Seok Matthew (170 cm / 5ft 7in) |
| Avg Height | 179.4 cm / 5ft 11in |
| Avg Gap | 2.3 cm / 0.9 in |
VS