Lee Jae-myung's election campaign office A person enters the election campaign office for Lee Jae-myung, former leader of the liberal Democratic Party and a leading candidate for the June 3, 2025, presidential election,

South Korean opposition leader Lee Jae-myung, who is the front-runner in opinion polls to be the country's next leader, declared his bid for the presidency on Thursday, promising to focus on fixing inequality and economic growth.

South Korean opposition leader Lee Jae-myung, who is the front-runner in opinion polls to be the country's next leader, declared his bid for the presidency on Thursday. Lee, 61, lost by the slimmest margin in the country's history when he ran against Yoon in the 2022 presidential election.