| Sum: | 1,221,234 | % | ||||||
| Sub-Group | Ethnic-Group | Language | Country | Population | Churches | Evangelicals | Evang % | Major Religion |
| Halwai | Maitili | Maithili | India | 482,716 | 0% | Hinduism | ||
| Halwai | Bengali | Bengali | India | 380,538 | 0% | Hinduism | ||
| Halwai | Awadhi | Awadhi | India | 342,642 | 0% | Hinduism | ||
| Halwai | Hindi | Hindi | India | 10,774 | 0% | Hinduism | ||
| Halwai | Orisi | Oriya | India | 4,564 | 0% | Hinduism |