South Korea held local elections on June 3, 2026 [1], with voters selecting mayors, governors, and other regional officials nationwide.

The contests serve as a critical referendum on the first year of President Lee Jae Myung's liberal government. The results will indicate whether opposition conservatives can limit the ruling party's power following the previous administration's martial-law scandal.

Early voting for the positions took place over two days, from May 31 to June 1 [2]. This period preceded the main election day, which observers described as a gauge of public support for the current administration.

"South Koreans are voting in mayoral and other local elections that are seen as a gauge of support for President Lee Jae Myung's one-year-old liberal government," AP News staff said.

The political climate remains tense as the country recovers from recent instability. Choe Sang-Hun of The New York Times said, "President Lee Jae Myung came to office after his predecessor, a conservative, was ousted for imposing martial law."

Some disturbances were reported during the voting process. Police received 17 calls from polling stations in Gyeonggi Province after voting opened [3]. These calls were linked to reported disturbances and suspected election fraud, though officials indicated these were isolated incidents.

Opposition forces view the June 3 contest as a primary opportunity to challenge the current administration. A Reuters correspondent said, "The June 3 contest will test whether opposition conservatives can rein in the power of the ruling party of President Lee Jae Myung."

While some conspiracy theories regarding election integrity resurfaced during the cycle, police reports suggest that major disturbances remained limited.

The contests serve as a critical referendum on the first year of President Lee Jae Myung's liberal government.

These local elections provide the first comprehensive data point on the popularity of President Lee Jae Myung's legislative and social agenda. Because the transition to power followed a constitutional crisis involving martial law, the results will determine if the liberal government has a sustainable mandate or if the conservative opposition has successfully rebuilt its base to challenge the presidency in future cycles.