Sung started playing football in Korea University lower division youth squads. He made his senior international debut for South Korea in 2015 and played at the World Cup qualification, and International Friendlies.
Lee Jae-sung was born on 10 August 1992, in Ulsan, South Korea. Reviewing his nationality, Jae-sung is South Korean and belongs to Asian ethnicity. His mother name is Choi Soo-Yeol and has a brother Lee Jae-Kwon, the professional footballer.
Lee Jae-sung's market price is estimated to be around €2 million as of 15th December 2017. His annual salary is estimated to be around €676K with a weekly salary of €13K which he receives from playing for Jeonbuk Hyundai and has a release clause in the region of €13.8 million as of June 2018.
Looking at his professional playing career, Lee Jae-sung's net worth is around $0.5 million.
In 2011, Lee Jae-sung began his football career as a youth member at Korea University where he remained for three-year. Following that, he began his senior career joining Jeonbuk Hyundai in 2014 where he was awarded 2014, 2015, 2016 K League 1 Champions and 2016 AFC Champions League along with his team.
Jae-sung made his debut against Yokohama F. Marinos on 26 February 2014, during the 2014 AFC Champions League. He has so far played 120 games scoring 22 goals.
Lee Jae-sung was awarded K League Best XI (2015, 2016, 2017), 2015 K League Young Player of the Year, 2017 K League Most Valuable Player, and 2017 EAFF East Asian Cup Most Valuable Player.
After playing for South Korea in their U 23, Jae-sung was initially called by the South Korea national team and made is debut in a 1-0 win against New Zealand when he was just 22.
After losing their two matches against Sweden and Mexico, they will play against Germany on 27th June 2018, where the winning probability of German team is 82% while South Korea probability is only 6%. As of now, two of the three games between these two warriors have been at World Cup finals, with Germans winning both contests (1994,2002). His team only got a victory against Germany in 2004 via 3-1 in a friendly match.
The 25-year-old soccer player is standing at the height of 5 feet 11 inches and weighs around 70kg. Jae-Sung has kept her personal life low in the media.
The midfielder Sung seems to be living his personal life staying away from the media. Sung hasn't revealed anything about his past affairs and girlfriends.