Lee Jae-sung is one of South Korea’s most respected footballers and a key figure for both the national team and German Bundesliga club Mainz 05. Known for his intelligence, versatility, and relentless work ethic, Lee has built a successful career spanning South Korea and Europe.
As of 2026, he remains an important player for Mainz 05 after extending his contract with the club, continuing to contribute both on and off the field.
Quick Info Table
A quick overview of Lee Jae-sung’s personal and professional details.
| Information | Details |
|---|---|
| Full Name | Lee Jae-sung |
| Date of Birth | August 10, 1992 |
| Age (2026) | 33 Years |
| Birthplace | Ulsan, South Korea |
| Nationality | South Korean |
| Profession | Professional Footballer |
| Position | Attacking Midfielder, Winger |
| Current Team (2026) | 1. FSV Mainz 05 |
| Jersey Number | 7 |
| National Team | South Korea national football team |
| Height | 1.80 m (5 ft 11 in) |
| Weight | Approximately 70 kg |
| Relationship Status | Reportedly Single / Not Publicly Confirmed |
| Religion | Not Publicly Known |
| Net Worth (2026) | Estimated $4–6 Million |
Family and Background
Understanding Lee Jae-sung’s roots helps explain his disciplined approach to football.
Lee Jae-sung was born in Ulsan, South Korea, a city known for producing talented athletes. From a young age, he displayed exceptional football abilities and quickly progressed through school football programs.
He attended Hakseong Middle School and Hakseong High School before continuing his football development at Korea University. His university career played a major role in preparing him for professional football and helped him gain recognition among scouts.
Although Lee is a public figure, he keeps much of his family life private. Unlike many modern athletes, he rarely shares personal details, preferring to focus attention on his football career.
Early Football Career
Before becoming a Bundesliga star, Lee built his reputation in South Korea.
Lee’s football journey gained momentum during his university years. His technical skills, vision, and creativity made him one of South Korea’s most promising young players.
His performances attracted the attention of top clubs in the K League, leading to his professional breakthrough with Jeonbuk Hyundai Motors in 2014.
Youth Career
Key stages of his development included:
- Hakseong Middle School
- Hakseong High School
- Korea University
These years helped shape the versatile midfielder fans know today.
Professional Club Career
Lee Jae-sung’s professional journey reflects steady growth and consistent performance.
Jeonbuk Hyundai Motors (2014–2018)
Lee began his professional career with Jeonbuk Hyundai Motors, one of South Korea’s most successful clubs.
During his time at Jeonbuk, he established himself as one of the league’s elite midfielders. His creativity, passing range, and ability to score goals made him a standout performer.
Highlights at Jeonbuk
- Multiple K League 1 titles
- AFC Champions League winner
- K League Best XI selections
- Young Player of the Year recognition
Holstein Kiel (2018–2021)
Moving to Germany represented a significant step in Lee’s career.
He joined Holstein Kiel in Germany’s second division and quickly adapted to European football. His performances helped the club become a promotion contender.
Over three seasons, Lee became one of the most influential attacking players in the squad.
Mainz 05 (2021–Present)
Lee joined Mainz 05 in 2021 and successfully transitioned to the Bundesliga.
Since arriving in Germany’s top division, he has become an important member of the team. His tactical intelligence, pressing ability, and versatility have earned praise from coaches and supporters alike.
In February 2026, Mainz announced a contract extension, ensuring that Lee would remain with the club beyond the 2025–26 season.
Lee Jae-sung Career Statistics
These statistics provide an overview of Lee’s club career up to 2026.
Club Statistics
| Club | Years | Appearances | Goals |
|---|---|---|---|
| Jeonbuk Hyundai Motors | 2014–2018 | 137 | 26 |
| Holstein Kiel | 2018–2021 | 93 | 19 |
| Mainz 05 | 2021–2026* | 149+ | 28+ |
| Total | Career | 379+ | 73+ |
International Statistics
| Category | Record |
|---|---|
| National Team | South Korea |
| International Caps | 100+ |
| International Goals | 15+ |
Lee surpassed 100 appearances for South Korea, cementing his place among the country’s most experienced international players.
Playing Style
Lee Jae-sung is widely regarded as one of Asia’s most intelligent midfielders.
His style is based on movement, tactical awareness, and quick decision-making rather than physical dominance.
Key Strengths
- Excellent positioning
- Intelligent movement off the ball
- Creative passing
- High work rate
- Tactical versatility
- Press resistance
- Strong defensive contribution
Football analysts often praise his ability to influence matches without constantly being in possession. His movement creates space and opportunities for teammates while helping maintain team structure.
International Career
Representing South Korea has been a major part of Lee’s football journey.
He made his senior international debut in 2015 and quickly became a regular member of the national team setup.
Over the years, he has participated in major tournaments, including:
- FIFA World Cup competitions
- AFC Asian Cup tournaments
- EAFF Championships
- Asian Games
His experience and leadership continue to make him a valuable asset for South Korea.
Major Achievements and Awards
Lee Jae-sung has accumulated numerous honors throughout his career.
Team Achievements
- K League 1 Champion (2014)
- K League 1 Champion (2015)
- K League 1 Champion (2017)
- K League 1 Champion (2018)
- AFC Champions League Winner (2016)
- Asian Games Gold Medal (2014)
- EAFF Championship Winner (2015)
- EAFF Championship Winner (2017)
Individual Honors
- K League 1 Best XI (2015)
- K League 1 Best XI (2016)
- K League 1 Best XI (2017)
- K League Young Player of the Year (2015)
- AFC Champions League All-Star Squad (2016)
Lee Jae-sung Net Worth in 2026
Lee Jae-sung has built significant wealth through football contracts and endorsements.
Estimated Net Worth
| Year | Estimated Net Worth |
|---|---|
| 2024 | $3–4 Million |
| 2025 | $4–5 Million |
| 2026 | $4–6 Million |
Income Sources
His earnings come from several sources:
- Bundesliga salary with Mainz 05
- South Korea national team bonuses
- Sponsorship agreements
- Brand endorsements
- Appearance fees
- Performance incentives
Playing in one of Europe’s top leagues has significantly increased his earning potential.
Interesting Facts About Lee Jae-sung
These lesser-known facts highlight what makes Lee unique.
- He was born in Ulsan, South Korea.
- He played university football before turning professional.
- He successfully transitioned from Korean football to European football.
- He has represented South Korea more than 100 times internationally.
- He is known for exceptional stamina and work rate.
- He can play as both a winger and attacking midfielder.
- Mainz supporters often praise his professionalism and leadership qualities.
Frequently Asked Questions
A few common questions fans ask about Lee Jae-sung.
Who is Lee Jae-sung’s wife?
As of 2026, there is no publicly confirmed information indicating that Lee Jae-sung is married. He keeps his personal and romantic life very private.
How tall is Lee Jae-sung?
Lee Jae-sung is 1.80 meters (5 feet 11 inches) tall.
Which team does Lee Jae-sung play for in 2026?
Lee Jae-sung plays for Mainz 05 in the German Bundesliga and recently signed a contract extension with the club.
What position does Lee Jae-sung play?
He primarily plays as an attacking midfielder but can also operate as a winger or advanced central midfielder.
Conclusion
Lee Jae-sung’s career is a testament to consistency, intelligence, and dedication. From his early days in South Korea to becoming a respected Bundesliga performer, he has continually adapted and improved at every stage of his journey.
As of 2026, he remains an important figure for both Mainz 05 and the South Korean national team. With over a decade of professional experience, numerous titles, and more than 100 international appearances, Lee Jae-sung has secured his place among the most successful South Korean footballers of his generation.
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