Former Democratic Party leader Lee Jae-myung received over 50% support in a hypothetical one-on-one match against all candidates of the People Power Party, according to a public opinion poll released on the 11th.

Lee Jae-myung, a candidate for the presidential primary of the Democratic Party, is moving to hold the 'Vision Declaration Ceremony and Camp Schedule Announcement' to introduce his governing blueprint at the National Assembly's communication room in Yeouido, Seoul on Nov. 11. /Courtesy of Yonhap News

Ace Research, commissioned by Newsis, conducted a survey from the 8th to 9th targeting 1,212 men and women aged 18 and older across the country, with results showing a margin of error of ±2.8% at a 95% confidence level.

In a hypothetical one-on-one match between former representative Lee and former Minister of Employment and Labor Kim Moon-soo, support for Lee was 52%, while support for Kim was 36.8%. Lee led Kim by 15.2 percentage points (P).

Kim Moon-soo, former Minister of the Ministry of Employment and Labor, is speaking at the 'Protest Against Pension Reform' held by the Youth Action for Pension Reform in front of the National Assembly main building stairs in Yeouido, Seoul on Nov. 11. /Courtesy of Yonhap News

In the one-on-one match between former representative Lee and Daegu Mayor Hong Joon-pyo, 52.2% supported Lee, while 34.0% supported Mayor Hong. The gap between the two responses was 18.2%p.

In the one-on-one match between former representative Lee and Seoul Mayor Oh Se-hoon, Lee received 53.5%, while Mayor Oh received 31.9%. The gap was 21.6%p.

In the one-on-one match between former representative Lee and former People Power Party leader Han Dong-hoon, Lee received 53.4% and Han received 27.5%. The gap of 25.9%p was the largest among the hypothetical matches.

Among the undecided voters who answered that they had no supporting party in the hypothetical matches, responses included 'Lee Jae-myung (34.5%) - Kim Moon-soo (38.6%)', 'Lee Jae-myung (35.4%) - Oh Se-hoon (31.5%)', 'Lee Jae-myung (37.5%) - Hong Joon-pyo (35.8%)', and 'Lee Jae-myung (39.2%) - Han Dong-hoon (29.5%)'.

Meanwhile, results also showed that the gap in approval ratings between the two parties was outside the margin of error. The Democratic Party's approval rating was 43.2%, and the People Power Party's approval rating was 33.5%. Following them, the Justice Innovation Party was at 3.5%, the Reform Party at 2.7%, and the Progressive Party at 0.6%. 11.4% of respondents answered that they had no supporting party, while 4.2% indicated support for other parties.

This survey was conducted using a structured questionnaire through a mobile Random Digit Dialing sampling frame using the Automatic Response System (100% mobile). The response rate was 3.5%, with a margin of error of ±2.8%p at a 95% confidence level. Detailed information can be found on the Central Election Polling Review Committee's website.

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