South Korea's Democratic Party weighs contested Busan mayor nomination

A Democratic Party candidate screening for Busan’s mayor took place on May 17, with three-term lawmaker Jeon Jae-su attending the interview at the party’s central headquarters in Yeouido, Seoul. The June 3 local elections will decide who leads Busan, South Korea’s largest port city.

Jeon, who is the DP’s only Busan-based member of parliament, urged that the party run a primary rather than grant him an unopposed nomination. He argued that letting all credible contenders have a chance to present their vision and policies is essential, even if internal surveys show a gap between candidates.

After the interview, Jeon told reporters that another candidate, Lee Jae-sung (the former head of the Busan DP chapter), has been crisscrossing the city for a month in preparation. He said it would be appropriate to hold a primary to give such a campaign a fair platform.

Within the party, some voices have pressed for a single, uncontested nomination to maximize the DP’s chances in Busan. DP leadership has leaned toward supporting a strong nomination strategy for the city’s contest. Party leader Jung Cheong-rae, who spoke with Jeon after their meeting, emphasized the importance of delivering a victory in the local elections.

Jeon outlined a regional-development agenda centered on Busan. He highlighted the ministry relocation to Busan as a catalyst for growth, noting positive shifts in Marine-related fields and university enrollments since the change. He argued that Busan should be cultivated as a maritime capital and a new growth hub for the Busan–Ulsan–Gyeongnam region, reducing Korea’s Seoul-centered economic balance.

He also argued for easing Seoul-centric concentration and positioning Busan as a Southern Region engine that could drive nationwide development. If elected mayor, he said, he would aim to make this shift a starting point for broader policy changes.

The central party’s Nomination Management Committee plans to conduct further debates and suitability surveys before finalizing Busan’s mayoral candidate early next month.

Context for U.S. readers: Busan is South Korea’s second-largest city and a major international port, a focal point for trade and logistics in Northeast Asia. The DP’s decision on Busan’s nominee matters beyond local politics because it intersects with national policy debates on decentralization, regional economic balance, and Korea’s strategic focus on maritime industries. A Busan-led administration could influence port efficiency, regional investment, and supply-chain resilience that affect U.S.–Korea trade and broader regional dynamics.