Twelve days before the June 3 local elections, a poll released on the 22nd showed Democratic Party of Korea candidate Chong Won-o and People Power Party candidate Oh Se-hoon in a neck-and-neck race within the margin of error for Seoul mayor.
In a poll of support for Seoul mayoral candidates (100% wireless ARS) conducted by Ace Research at the request of Newsis on the 19th–20th, Chong recorded 41.7% and Oh 41.6%. The gap between the two candidates is 0.1 percentage point.
They were followed by Justice Party candidate Kwon Young-guk (2.1%), Reform Party candidate Kim Jeong-cheol (2.0%), Women's Party candidate Yu Ji-hye (1.9%), and Liberty Unification Party candidate Lee Kang-san (1.6%). In addition, "no preferred candidate" was 5.8% and "don't know" was 3.4%, with the withheld-response group at 9.2%.
Among likely voters who said they would "definitely vote" in this election, support was found at 49.8% for Chong and 42.4% for Oh. They were followed by Kwon (1.9%), Yu (1.6%), Kim Jeong-cheol (1.3%), and Lee (0.6%).
Regardless of their own preference, when asked which candidate is most likely to win, Chong recorded 46.2% and Oh 41.4%.
The survey targeted 1,002 adults aged 18 and older living in Seoul and was conducted using an ARS method (100% wireless) with virtual wireless numbers provided by the three telecom companies. The response rate was 5.5%, and the margin of error was ±3.1 percentage points at a 95% confidence level. For details, visit the website of the National Election Survey Deliberation Commission.