Who Is Jaehyun? Age, Biography and Wiki
Born on February 14, 1997, Jaehyun is a prominent South Korean singer and member of the popular boy group NCT (Neo Culture Technology). As of 2025, he is 28 years old. Jaehyun, whose full name is Jung Yoon-oh, was born in Seoul, South Korea. He is known for his charismatic stage presence, vocal abilities, and impressive dance skills. Over the years, Jaehyun has evolved not just as a performer but also as an influential figure in the Korean entertainment industry.
| Occupation | Singers |
|---|---|
| Date of Birth | February 14, 1997 |
| Age | 28 Years |
| Birth Place | Seoul, South Korea |
| Horoscope | Aquarius |
| Country | South Korea |
Popularity
Jaehyun's Popularity over time
Height, Weight & Measurements
Jaehyun stands tall at approximately 180 cm (5 feet 11 inches) and maintains a weight of around 68 kg (150 lbs). His well-proportioned body, athletic build, and striking features have contributed to his appeal both on and off the stage. His measurements are typically in line with those of a fit young man, making him a style icon among fans and fellow artists alike.
Family, Dating & Relationship Status
In terms of family, Jaehyun has a close-knit relationship with his parents and older brother. However, he tends to keep his personal life private, particularly when it comes to romance. As of 2025, there have been no confirmed reports regarding Jaehyun dating anyone seriously, and he focuses on his career and personal growth. Fans speculate about potential romantic interests, but Jaehyun has not publicly disclosed any girlfriend or boyfriend.
At the age of five, Jaehyun moved to Connecticut, USA with his parents, where he went by the English name Jay Jeong. As a result, he is fluent in both English and Korean. He revealed that while studying in Connecticut, he was the only Asian student at school. Jaehyun returned to South Korea at the age of ten, and said that he struggled adapting back to Korean culture.
Net Worth and Salary
As of 2025, Jaehyun's estimated net worth is approximately $8 million. His earnings primarily come from his music career with NCT, endorsements, and various appearances in television shows and commercials. Jaehyun's financial success is a testament to his hard work and the massive popularity of NCT, which continues to break records globally.
Career, Business and Investments
Jaehyun debuted with NCT in 2016 and quickly gained recognition for his talents and versatility. The group has released multiple chart-topping albums, and Jaehyun has also participated in several side projects, including acting in dramas and participating in variety shows.
Beyond his career in music, Jaehyun has shown interest in fashion and has collaborated with various brands, showcasing his business acumen. Furthermore, he has made wise investments in the entertainment sector, particularly in music production and marketing, securing his future in the industry.
On October 16, Jaehyun made his feature film debut in the mystery thriller You Will Die in 6 Hours. The film took the number one spot for CGV ticket reservations. Special preview screenings and stage greetings were also completely sold out.
The film ranked #1 in sales for independent and art films and broke a record for independent films sold internationally, being sold to 76 countries worldwide. An industry official stated, "This film has already set global records before its release. Jeong Jaehyun's debut has shown incredible ticket power, making it a dark horse at the box office."
Social Network
Jaehyun is quite active on social media and maintains a strong connection with his fanbase. He has millions of followers across platforms like Instagram, Twitter, and TikTok, where he shares glimpses of his life, behind-the-scenes content, and interacts with fans. His social media presence not only bolsters his popularity but also serves as a significant channel for brand endorsements and collaborations.
Education
Jaehyun attended the prestigious Hanlim Multi Art School, where he honed his artistic abilities in music and performance. His education provided a solid foundation for his career in the entertainment industry. Though he is now busy with his career, Jaehyun continues to emphasize the importance of education and lifelong learning.
As of 2024, Jaehyun has released five solo singles: "Forever Only" and "Horizon", both as part of the NCT Lab project, while "Roses", "Dandelion", and "Smoke" as part of his debut album J.
Apart from music, he has also hosted the radio show NCT Night Night from March 2017 to January 2019 and the television program Inkigayo from October 2019 to February 2021. He later debuted as an actor with a leading role in the college romance television series Dear.
M (2022), and he is set to make his feature film debut in the mystery thriller film You Will Die In 6 Hours. As of June 2022, Jaehyun is a global ambassador for the Italian luxury brand Prada; he is considered among the most impactful fashion ambassadors from South Korea.
