He was born on August 13, 2000, in Seoul, South Korea.
In early 2017, SM announced that Jaemin won't be participating in NCT DREAM's comeback due to his health problems. He officially returned as a member of NCT in 2018.
One of Jaemin's talent is loving NCTzen's.
- 2019: The Way I Hate You - as Daegang
Main article: JAEMIN/Gallery
- Favorite Number: 3
- Favorite Color: Pink, White
- Nickname: Nana
- Favorite Food: Ramen, potato pizza, other fast food, jelly, chocolate, peaches, chocolate milk, green tea, honey-filled ddeokbokki, fried chicken, and coffee.
- Favorite Hobbies: Badminton
- Favorite Celebrities: Lee Yong Dae, EXO’s Kai, Tight Eyez
- Favorite Movies: Iron Man series
- Favorite Fruit: Peach
- Favorite Pet: Dog (Samoyed)
- Favorite Season: Autumn
- Favorite Movie Genre: Horror
- He was cast while doing volunteer work
- Jaemin didn't participate in NCT DREAM's "My First and Last" and "We Young" promotions due to his injuries.
- He is called the "Fan-sign Boyfriend", due to how sweet he is with fans during fan-signs/meetings.
- He dislikes hula-hoop.
- He prefers sunny weathers.
- He likes sport cars.
- He likes fast food.
- He cannot eat dairy products.
- He has lingual braces (braces that are hidden or at the back of your teeth).