Kim You-jung Biography: Parents, Age, Boyfriend, Net Worth, Movies, Height, Husband, TV Shows
Biography
Kim You-jung (born September 22, 1999) is a celebrated South Korean actress who debuted as a child model at age four and made her acting debut in 2003.
She quickly rose to fame as one of Korea’s most sought-after child stars, earning the nickname “Nation’s Little Sister” for her endearing roles and “Sageuk Fairy” for her performances in historical dramas like Moon Embracing the Sun (2012) and Love in the Moonlight (2016), her first leading role.
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Transitioning seamlessly to adult roles, she starred in hits such as Backstreet Rookie (2020), Lovers of the Red Sky (2021), My Demon (2023–2024), and the 2025 thriller Dear X, where she portrayed a complex anti-heroine. Known for her versatility and charm, Kim remains one of Hallyu’s most beloved stars.
| South Korean actress | |
| Kim You-jung | |
|---|---|
 | |
| Wiki Facts & About Data | |
| Real Name: | Kim You-jung |
| Stage Name: | Kim Yoo-jung |
| Born: | 22 September 1999 (age 26 years old) |
| Place of Birth: | Geumho-dong, Seoul, South Korea |
| Nationality: | South Korean |
| Education: | Goyang High School of Arts |
| Height: | 164 cm |
| Parents: | Mok Seon-mi, Kim Sang-pae |
| Siblings: | Kim Yeon-jung, Kim Bu Geun |
| Spouse: | Not Married |
| Boyfriend • Partner: | Park Bo-gum (rum.), Song Kang (rum.), Kim Do-hoon (rum.) |
| Children: | N/A |
| Occupation: | Actress • TV Personality |
| Net Worth: | $16 million-$25 million (USD) |
Early Life & Education
Kim You-jung was born on September 22, 1999, in Seongdong District, Seoul, South Korea.
She is of Korean ethnicity and holds South Korean nationality. She is Christian.
She is the youngest of three siblings in a private family. Her parents are reportedly Kim Sang-pae (father) and Mok Seon-mi (mother), with limited public details about their lives.
Her older sister, Kim Yeon-jung (born around 1996), debuted as an actress in 2017, and she has an older brother, sometimes named Kim Boo-geun or Kim Bu-gun (born around 1993).
For education, Kim Yoo-jung attended Goyang High School of Arts, a performing arts school that accommodated her acting schedule, and graduated in January 2018. She did not pursue university studies immediately, focusing instead on her career.
Her early life was marked by her entrance into the entertainment industry at age four, starting as a child model and quickly becoming a beloved child actress known as the “Nation’s Little Sister.”
Career
Kim You-jung entered the entertainment industry at the age of four, beginning as a child model before launching her acting career in 2003.
She quickly became one of South Korea’s most recognized young performers, earning widespread affection as the “Nation’s Little Sister.”
Her natural talent in historical dramas established her early brand as a “Sageuk Fairy,” with standout performances in Dong Yi (2010), The Moon Embracing the Sun (2012), May Queen (2012), Golden Rainbow (2013), Secret Door (2014), and Angry Mom (2015).
Her successful transition to lead roles as an adult arrived in 2016 with the popular historical romance Love in the Moonlight, co-starring Park Bo-gum, which confirmed her ability to anchor major projects. She continued to build momentum with Clean with Passion for Now (2018) and Backstreet Rookie (2020).
After a short pause in her career due to thyroid health concerns, Kim returned with renewed acclaim, starring in Lovers of the Red Sky (2021), the supernatural horror film The 8th Night (2021), and the Netflix global hit 20th Century Girl (2022), a nostalgic romance that earned her titles such as “Nation’s First Love” and “Global First Love.” She followed with the fantasy romance My Demon (2023–2024), further broadening her range.
In 2024, she appeared in a memorable cameo in the comedy Chicken Nugget. Her most celebrated recent role came in 2025 with the psychological thriller Dear X, where she portrayed Baek Ah-jin, a chilling and manipulative actress.
The series achieved international success, ranking number one in over one hundred countries, screening at the Busan International Film Festival, and earning Kim the inaugural Busan International Actors Award for her performance.
Social Media
- Wikipedia: Kim You-jung
- IMDb: Kim You-jung
- Facebook: Kim You-jung
- Instagram: 김유정 KIM YOU JUNG 🇰🇷 (@you_r_love)
Personal Life
Kim Yoo-jung was born on September 22, 1999, making her 26 years old.
She stands at approximately 164 cm (5’4.5″) tall, a height often cited in her official profiles and fan discussions.
She is currently single, with no confirmed husband, marriages, or children.
Over the years, she has faced occasional rumors linked to co-stars, such as Park Bo-gum from Love in the Moonlight, Song Kang from My Demon, and, most recently, Kim Do-hoon from Dear X in 2025—the latter stemming from a group cast trip that was clarified as non-romantic by her agency and the actors themselves.
All such speculations have been denied, and she appears to prioritize her professional commitments over public romantic involvement.
Net Worth
Kim Yoo-jung‘s net worth is estimated to be between $16 million and $25 million USD, according to various media reports following the global success of her thriller series Dear X.
These figures reflect her long career, starting as a child actress, earnings from numerous hit dramas and films, and lucrative brand endorsements with luxury names like Laneige and FILA.
Older estimates hovered around $6 million, but her recent projects and rising international fame have significantly boosted her wealth.
Filmography
TV Shows
- Iljimae (2008)
- Painter of the Wind (2008)
- Dong Yi (2010)
- Flames of Desire (2010)
- Grudge: The Revolt of Gumiho (2010)
- The Moon Embracing the Sun (2012)
- May Queen (2012)
- Golden Rainbow (2013–2014)
- Secret Door (2014)
- Angry Mom (2015)
- Love in the Moonlight (2016)
- Clean with Passion for Now (2018–2019)
- Backstreet Rookie (2020)
- Lovers of the Red Sky (2021)
- My Demon (2023–2024)
- Chicken Nugget (2024, cameo)
- Dear X (2025)
Movies
- DMZ (2004, early child role)
- Commitment (2013)
- Because I Love You (2017)
- The 8th Night (2021)
- 20th Century Girl (2022)
- My Heart Puppy (2023)
FAQ
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