Irreligion in South Korea

Religion in South Korea (2015 census)
  1. Irreligious (56.1%)
  2. Protestantism (19.7%)
  3. Korean Buddhism (15.5%)
  4. Catholicism (7.9%)
  5. Other (0.8%)

Irreligion in South Korea is common, with 56% percent of the population saying they are not affiliated with a religion, as of the 2015 national census. South Korea also has the 5th largest population of atheists in the world, according to a 2012 Gallup International poll, which found that 15% of South Koreans were "convinced atheists." According to a 2021 Gallup Korea poll, 60% identify with no religion, 17% with Protestantism, 16% with Buddhism, 6% with Catholicism, and 1% with other religions.