Who Is Yook Sung-jae? Age, Biography, and Wiki
Yook Sung-jae, born on May 2, 1995, is a prominent South Korean singer and actor. He initially gained fame as a member of the popular boy group BTOB, where he showcased his incredible vocal talents and charismatic performances. Over the years, Sung-jae has expanded his portfolio, appearing in numerous television dramas and movies, solidifying his presence in the entertainment industry. As of 2025, Sung-jae is 30 years old and continues to captivate audiences with his artistic endeavors.
| Occupation | Pop Singer |
|---|---|
| Date of Birth | May 2, 1995 |
| Age | 30 Years |
| Birth Place | Yongin, Gyeonggi Province, South Korea |
| Horoscope | Taurus |
| Country | South Korea |
Popularity
Yook Sung-jae's Popularity over time
Height, Weight & Measurements
Yook Sung-jae stands at an impressive height of approximately 179 cm (5 feet 10 inches). His weight is reported to be around 70 kg (154 lbs), contributing to a well-balanced physique that he maintains through a healthy lifestyle. Sung-jae is known for his charming looks, with expressive features and a winning smile that add to his appeal as a performer.
Family, Dating & Relationship Status
When it comes to his personal life, Yook Sung-jae has been quite private. As of 2025, there hasn't been any confirmed news about a girlfriend or boyfriend. However, his fans often speculate about his dating status due to his charming personality and on-screen chemistry with various co-stars in dramas. Yook Sung-jae has expressed his desire to find love but remains focused on his career and personal growth at this stage in his life.
He has one older sister. Yook comes from a business family. His father is the CEO of an IT corporation that deals with semiconductors. His grandfather was the first to introduce red carp in South Korea, while his grandmother operated a fishing farm in Paju.
Net Worth and Salary
Yook Sung-jae's estimated net worth in 2025 is around $10 million. His earnings come from various sources, including his music career, acting roles, endorsements, and other business ventures. Yook continues to be one of the most sought-after celebrities in South Korea, earning a substantial income from his burgeoning career.
In 2015, Yook took part in a fundraiser that auction items to the Social Welfare Community Fund for Love to support low-income children. In December, 2015, SBS revealed that Yook donated ₩3 million to Jeonbuk National University Hospital, which was the filming location of The Village: Achiara's Secret.
The same year, he also participated in Briquette Sharing Campaign of the Korean Peninsula and donated briquettes to the people at Kowloon Village in Gangnam-gu, Seoul.
Career, Business, and Investments
Sung-jae's career took off with BTOB's debut in 2012, where he showcased his vocal abilities as a lead vocalist. His acting career began to flourish shortly thereafter, with leading roles in popular dramas like Goblin and Weightlifting Fairy Kim Bok-joo. As of 2025, he has diversified his skills and ventured into various projects, including variety shows and endorsements.
Additionally, Yook has demonstrated acumen in business, investing strategically in startups and other entertainment-related ventures that align with his career goals. His dedication to his craft and shrewd decision-making have positioned him as a prominent figure in the industry.
On November 6, 2023, it was announced that Yook would be leaving Cube Entertainment following the completion of his contract. On December 22, iWill Media, a production company, announced that Yook has signed an exclusive contract as its first managed actor.
Social Network
Yook Sung-jae is active on various social media platforms, where he connects with fans and shares insights into his life. He can be found on Instagram, Twitter, and Weibo, regularly updating his followers with posts about his latest projects, personal moments, and interactions with fellow artists. His engaging online presence contributes to his popularity among fans and enhances his public image.
On December 19, 2019, Cube revealed their plans for a new music project 3x2=6, which aims for Yook to release two songs every month for three months starting December 2019 and release it on various online music sites.
Yook associated with the number '6' (pronounced as "yook" in Korean) to his surname 'Yook' (육), showing the wits of only Yook Sung-jae.
The project consists of three themes; Singer is to showcase his ability as an artist by releasing his first produced song, Human is his desire to be loved for a long time and BtoB Yook Sung-jae as his bandmates Jung Il-hoon and Peniel Shin participated in the project.
The project began on December 26, 2019, with the release of its first single "Yook" (뭍(陸)) and "From Winter" (겨울 속에서) as part of 3x2=6 PArt 1. "Yook" is described as a melodic modern-rock genre song with Yook participating in the lyrics and composing.
For 3x2=6 Part 2, Yook showed his reversed charm with "W.A.U" (What About U) and "Chicken". "Chicken" is a song with clever lyrics talking about how as time passes, no matter how much trends change, just like (fried) chicken that is loved by everyone. The song was released on January 16, 2020.
The project concluded on February 6, 2020, with the first collaboration song between Yook and Ilhoon "HMHN" and "Hypnotized" which was performed with Peniel at 2018 BtoB Time - This Is Us concert.
Education
Yook Sung-jae attended the HanLim Multi Art School, where he honed his skills in music and performing arts. He later enrolled at the University of Korea for his higher education, further expanding his knowledge and experience in the field of entertainment. His educational background has undoubtedly played a significant role in his artistic development and success.
Yook Sung-jae (born May 2, 1995), also known mononymously as Sungjae, is a South Korean singer, songwriter, actor, model, host and entertainer. He is a member of the boy group BtoB and its sub-group, BtoB Blue.
Aside from his group's activities, Yook has acted in television dramas Reply 1994 (2013), Plus Nine Boys (2014), Who Are You: School 2015 (2015), The Village: Achiara's Secret (2015), Guardian: The Lonely and Great God (2016), Mystic Pop-up Bar (2020) and The Golden Spoon (2022).
He has appeared in several reality shows, including: Hitmaker, We Got Married, and Master in the House.
