| People Group | Primary Language | Population | Hindu | Muslim | Christian | Buddhist | Sikh | Other |
|---|---|---|---|---|---|---|---|---|
| Assamese (Muslim traditions) | Assamese | 10 | 0 | 10 | 0 | 0 | 0 | 0 |
| Chakma | Chakma | 130 | 10 | 0 | 120 | 0 | 0 | 0 |
| Magar | Assamese | 20 | 20 | 0 | 0 | 0 | 0 | 0 |
| Garo (A-chik Mande) | Garo | 10 | 0 | 0 | 10 | 0 | 0 | 0 |
| Khasi | Khasi | 20 | 0 | 0 | 20 | 0 | 0 | 0 |
| Munda | Assamese | 30 | 20 | 0 | 10 | 0 | 0 | 10 |
| Oraon | Assamese | 20 | 10 | 0 | 0 | 0 | 0 | 0 |
| Rajbansi (Hindu traditions) | Rangpuri | 50 | 20 | 0 | 10 | 0 | 0 | 10 |
| Tharu | Tharu, Kathariya | 20 | 10 | 0 | 10 | 0 | 0 | 0 |
| Ahom | Assamese | 230 | 190 | 0 | 40 | 0 | 0 | 0 |
| Tanu | Apatani | 20 | 0 | 0 | 0 | 0 | 0 | 20 |
| Bania unspecified | Hindi | 20 | 10 | 0 | 0 | 0 | 0 | 0 |
| Bodo (Hindu traditions) | Boro (India) | 140 | 100 | 0 | 40 | 0 | 0 | 0 |
| Brahmin unspecified | Hindi | 10 | 10 | 0 | 0 | 0 | 0 | 0 |
| Galong | Adi, Galo | 10 | 0 | 0 | 0 | 0 | 0 | 0 |
| Gond unspecified | Assamese | 30 | 20 | 0 | 10 | 0 | 0 | 0 |
| Christian | English | 40 | 0 | 0 | 40 | 0 | 0 | 0 |
| Kachari Sonwal | Dimasa | 1,050 | 140 | 0 | 910 | 0 | 0 | 0 |
| Tiwa | Tiwa | 10 | 10 | 0 | 10 | 0 | 0 | 0 |
| Lotha | Naga, Lotha | 20 | 0 | 0 | 20 | 0 | 0 | 0 |
| Mech | Boro (India) | 30 | 20 | 0 | 10 | 0 | 0 | 0 |
| Miri | Mising | 10 | 0 | 0 | 10 | 0 | 0 | 0 |
| Naga | - | 140 | 10 | 0 | 40 | 0 | 0 | 90 |
| Nishang | Nyishi | 360 | 40 | 10 | 240 | 0 | 0 | 70 |
| Nissi | Nyishi | 6,840 | 330 | 50 | 4,570 | 10 | 10 | 1,870 |
| Rabha | Rabha | 10 | 10 | 0 | 10 | 0 | 0 | 0 |
| Rai | Nepali | 10 | 0 | 0 | 0 | 0 | 0 | 0 |
| Raju | Bengali | 10 | 0 | 0 | 0 | 0 | 0 | 0 |
| Saora unspecified | Odia | 10 | 10 | 0 | 0 | 0 | 0 | 0 |
| Shaikh unspecified | Bengali | 10 | 0 | 10 | 0 | 0 | 0 | 0 |
| Simong | Purig | 250 | 0 | 0 | 0 | 0 | 0 | 0 |
| Simong | Purig | 220 | 0 | 0 | 80 | 0 | 0 | 140 |
| Puroik | Puroik | 870 | 20 | 0 | 390 | 0 | 0 | 450 |
| Tagin | Tagin | 10 | 0 | 0 | 0 | 0 | 0 | 10 |
| Adi | Adi | 20 | 0 | 0 | 10 | 0 | 0 | 10 |
| Kui Khond | Assamese | 20 | 10 | 0 | 10 | 0 | 0 | 0 |
| Bania Agarwal | Hindi | 10 | 10 | 0 | 0 | 0 | 0 | 0 |
| Nyishi | Nyishi | 36,700 | 1,430 | 170 | 23,500 | 60 | 10 | 11,500 |
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