| Sum: | 45,820,743 | 12,346 | 8,241,172 | 17.99% | ||||
| Sub-Group | Ethnic-Group | Language | Country | Population | Churches | Evangelicals | Evang % | Major Religion |
| Korean | Korean | Korean | Korea, South | 45,783,910 | 12,345 | 8,241,105 | 18% | Buddhism |
| Han Chinese | Han Chinese | Chinese, Mandarin | Korea, South | 35,133 | 1 | 67 | 0.19% | Buddhism |
| Russian | Russian | Russian | Korea, South | 1,700 | 0 | 0 | 0% | Secularism |