Controversy has arisen in a public opinion poll conducted ahead of the Jin-an County Chief election, with a candidate's approval rating rapidly changing and the response rate soaring abnormally.
Concurrently, the poll response rate also jumped significantly to 25.8%.
Some speculate that the poll numbers were temporarily adjusted due to rumors of impending police investigations.
In March 2026, the use of secure phone numbers reached its peak at 11,000.
This is interpreted as a resumption of active polling activities once the pressure of the investigation subsided.
Furthermore, despite such a high response rate, the survey reportedly concluded within 30 minutes, intensifying questions about the unrealistic results.
Such a rapid increase is an unusual phenomenon in typical public opinion polls.
The abnormal change in the response rate raises suspicions about the possibility of specific technical intervention in the polling process.
A clear reversal in candidate approval ratings was observed in the Jin-an County Chief poll. In the January 2025 survey, Han Su-yong led slightly with 26.4%, while incumbent County Chief Jeon Chun-seong had 26.2%.
However, in the September 2025 survey, the order completely reversed. Incumbent County Chief Jeon Chun-seong's approval rating surged to 34.1%, while Han Su-yong's plummeted to 15.9%, nearly half.
Such a drastic fluctuation in approval ratings led to an analysis suggesting that Jeon Chun-seong and Lee Wook-kyu are highly likely to advance to the final round.
KBS Jeonju Headquarters' poll showed Jin-an County with a 48.6% response rate, and Jeonbuk Ilbo's survey also recorded 48%.
Furthermore, Muju County recorded a response rate exceeding 50%, while Imsil County recorded the highest in the Jeonbuk region at 52%, indicating abnormally high response rates were observed in surrounding areas as well.
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