| Sum: | 750,023 | 93,773 | 12.50% | |||||
| Sub-Group | Ethnic-Group | Language | Country | Population | Churches | Evangelicals | Evang % | Major Religion |
| Vannan | Tamil | Tamil | India | 714,460 | 93,773 | 13.13% | Hinduism | |
| Puthirai Vannan | Tamil | Tamil | India | 35,157 | 0% | Hinduism | ||
| Vannan | Malayali | Malayalam | India | 406 | 0% | Hinduism |