2025 South Korea Presidential Election Exit Poll Results

On the afternoon of June 3, 2025, officials from the Democratic Party and the People Power Party monitored the exit poll results at their respective election headquarters in the National Assembly and the National Assembly Library in Yeouido, Seoul. According to the exit polls conducted by the three major broadcasting networks, Lee Jae-myung of the Democratic Party led Kim Moon-soo of the People Power Party among voters in their 20s to 50s. However, Kim was found to be ahead among voters aged 70 and above, while the 60s demographic showed a close contest within the margin of error.

In the 20s age group, Lee Jae-myung was projected to receive 41.3% of the votes, while Kim Moon-soo garnered 30.9%. Lee Jun-seok was expected to receive 24.3%. For voters in their 30s, Lee was at 47.6% and Kim at 32.7%. In the 40s, Lee received 72.7% compared to Kim's 22.2%, and in the 50s, Lee had 69.8% against Kim's 25.9%.

Among voters in their 60s, Lee was at 48.0% and Kim at 48.9%, indicating a tight race. For those aged 70 and older, Lee was projected to receive 34.0% while Kim was expected to achieve 64.0%.

In terms of gender breakdown, among men, Lee received 48.3%, Kim 39.4%, and Lee Jun-seok 11.1%. Among women, Lee had 55.1%, Kim 39.2%, and Lee Jun-seok 4.3%. In the 20s male demographic, Lee Jun-seok was predicted to lead with 37.2%, followed closely by Kim at 36.9% and Lee at 24.0%. In the 30s male demographic, Lee was at 37.9%, Kim at 34.5%, and Lee Jun-seok at 25.8%.

Conversely, in the 20s female demographic, Lee was expected to secure a majority with 58.1%, followed by Kim at 25.3% and Lee Jun-seok at 10.3%. In the 30s female demographic, Lee was at 57.3%, Kim at 31.2%, and Lee Jun-seok at 9.3%.

In the 40s and 50s, both genders showed support for Lee around 70%, while Kim received around 20%. In the 60s, both genders were in a close contest, with 60s men showing Lee at 48.6% and Kim at 47.7%, while 60s women had Lee at 47.5% and Kim at 50.0%. For those aged 70 and above, Lee was projected to be in the 30% range, while Kim was expected to be in the 60% range.

The exit polls were conducted by the Korean Broadcasting Association and the three major networks (KBS, MBC, SBS) at 325 polling stations, surveying 80,146 voters. The margin of error for this exit poll is ±0.8% at a 95% confidence level.