Kim was called up to the North Korea national football team for the first time in May 1973, to take part for the team in the 1974 FIFA World Cup qualification. Members of Group B2 including Iran, Syria and Kuwait, Kim appeared in five of six matches as North Korea finished with one win, three draws and two losses, placing third and being eliminated.[5] In their 1–1 tie against Syria, Kim scored the team's only goal in the 53rd minute.[6]
Kim later played for North Korea at the 1974 Asian Games, where they reached the bronze medal match. After falling down 1–0 to Malaysia, Kim scored a goal in the 58th minute to tie the score but the team ultimately lost by a score of 2–1.[7] In 1976, he was selected as part of the 17-man squad to compete for North Korea at the 1976 Summer Olympics, under coach Pak Doo-ik.[8][2] He started all three of the North Koreans' matches, as they reached the quarterfinals before losing 5–0 to Poland.[9] In 1978, he was selected for the 1978 Asian Games and was the team captain.[2][10] North Korea advanced through the tournament and reached the gold medal match where they played South Korea to a 0–0 draw, with both nations sharing the gold medal.[11]
Outside of his football career, Kim worked at the Mangyongdae District Waterworks Management Office.[16] He was awarded the title of Merited Athlete, given to those who make "distinguished contributions" to North Korean sports, and received a "modern house," according to Rodong Sinmun.[16][17]
^ ab"Unknown title". Minju Choson (in Korean). 화원1동에 입사한 만경대구역상하수도관리소의 김정민,량은향 로동자부부 ... 공훈체육인칭호가 수여되였다. [Kim Jong-min and Ryang-hyang, workers of the Mangyongdae District Waterworks Management Office in Hwawon 1-dong, were awarded the title of Meritorious Sportsman.]
^"복받은 인민의 환희로 아름다운 평양의 《새집들이계절》로동신문" [The Joy of the Blessed People, Beautiful Pyongyang's "New Housewarming Season"]. Rodong Sinmun (in Korean). 20 April 2024. 화원1동에 입사한 만경대구역상하수도관리소의 김정민, 량은향 로동자부부는 현대적인 살림집을 받아안고보니 우리 원수님의 은덕이 너무도 크고. [Kim Jong-min and Ryang-hyang, workers of the Mangyongdae District Waterworks Management Office in Hwawon 1-dong, received a modern house and realized that the grace of our Marshal was so great.]