| Full Name | Choi Young Jae |
| Stage Name | Youngjae |
| Native Name | 최영재 |
| Birthday | September 17, 1996 |
| Age | 28 years and 8 months old |
| Zodiac Sign | Virgo |
| Birthplace | Jeollanam-do, Sansan-dong, Mokpo, South Korea |
| Height | 5’10” (177 cm) |
| Weight | 143.3 lbs (65 kg) |
| Blood Type | B |
| MBTI | ISTJ |
| Education | Taekyung University |
| Languages | Korean, Japanese, English |
| Group | GOT7 |
| Social Media | Instagram: [@333cyj333] Twitter (X): [@GOTYJ_Ars_Vita] TikTok: [@youngjaexars] |