| Full Name | Yang Jeong-in |
| Stage Name | I.N |
| Native Name | 양정인 |
| Birthday | February 8, 2001 |
| Age | 24 years old |
| Zodiac Sign | Aquarius |
| Birthplace | Busan, South Korea |
| Height | 5’8″ (172 cm) |
| Weight | 136.7 lbs (62 kg) |
| Blood Type | A |
| MBTI | ISFJ-T |
| Education | School of Performing Arts Seoul |
| Languages | Korean, English, Japanese |
| Group | Stray Kids |
| Social Media | Instagram: [@i.2.n.8] |