May 28 (UPI) -- South Korea's opposition candidate is leading in recent opinion polls with a week until the presidential election, although the gap has narrowed.

Gallup Korea disclosed Tuesday that Lee Jae-myung from the main opposition Democratic Party had an approval rate of 49%, compared to 35% for Kim Moon-soo of the ruling People Power Party. Gallup Korea surveyed 1,004 people over the weekend.

Kim Moon-soo managed to reduce the margin from 22% points on May 15, the first Gallup poll conducted after major party candidates were confirmed. But he still trails behind.

Seoul-based consultancy Hankook Research also released a poll Tuesday, showing 45% of 1,000 respondents supported Lee Jae-myung, compared to 36% for Kim Moon-soo.

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