| Sum: | 816,891 | 103 | 84,810 | 10.38% | ||||
| Sub-Group | Ethnic-Group | Language | Country | Population | Churches | Evangelicals | Evang % | Major Religion |
| Chakma | Chakma | chakma | India | 410,247 | 72,614 | 17.7% | Buddhism | |
| Chakma | Chakma | Chakma | Bangladesh | 404,152 | 101 | 12,125 | 3% | Buddhism |
| Chak | Chak | Chak | Bangladesh | 1,292 | 1 | 65 | 5.03% | Ethnic Religion |
| Chak | Chak | Chak | Myanmar | 1,200 | 1 | 6 | 0.5% | Ethnic Religion |