| Full Name | Lee Sung Min |
| Stage Name | Sungmin |
| Native Name | 이성민 |
| Birthday | January 1, 1986 |
| Age | 39 years and 5 months old |
| Zodiac Sign | Capricorn |
| Birthplace | Ilsan, Goyang, Gyeonggi, South Korea |
| Height | 5’9″ (175 cm) |
| Weight | 125.7 lbs (57 kg) |
| Blood Type | A |
| MBTI | INFJ |
| Education | Myongji University |
| Languages | Korean, English, Mandarin, Japanese |
| Group | SUPER JUNIOR (2005 – April 30, 2025) |
| Social Media | Instagram: [@_liustudio_] Twitter (X): [@LIU_Sungmin] TikTok: [@_liustudio_] |