| People Group | Primary Language | Population | Hindu | Muslim | Christian | Buddhist | Sikh | Other |
|---|---|---|---|---|---|---|---|---|
| Assamese (Muslim traditions) | Assamese | 10 | 0 | 10 | 0 | 0 | 0 | 0 |
| Chakma | Chakma | 20 | 10 | 0 | 10 | 0 | 0 | 0 |
| Khasi | Khasi | 10 | 0 | 0 | 10 | 0 | 0 | 0 |
| Munda | Mundari | 40 | 20 | 0 | 10 | 0 | 0 | 10 |
| Oraon | Assamese | 30 | 20 | 0 | 0 | 0 | 0 | 10 |
| Rajbansi (Hindu traditions) | Rangpuri | 50 | 20 | 0 | 10 | 0 | 0 | 20 |
| Tharu | Nepali | 20 | 20 | 0 | 10 | 0 | 0 | 0 |
| Ahom | Assamese | 30 | 30 | 0 | 0 | 0 | 0 | 0 |
| Tanu | Apatani | 20 | 0 | 0 | 0 | 0 | 0 | 20 |
| Bania unspecified | Hindi | 10 | 10 | 0 | 0 | 0 | 0 | 0 |
| Bodo (Hindu traditions) | Boro (India) | 50 | 40 | 0 | 10 | 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 | 20 | 10 | 0 | 10 | 0 | 0 | 10 |
| Christian | Assamese | 50 | 0 | 0 | 50 | 0 | 0 | 0 |
| Kachari Sonwal | Dimasa | 120 | 90 | 0 | 30 | 0 | 0 | 0 |
| Lotha | Naga, Lotha | 10 | 0 | 0 | 10 | 0 | 0 | 0 |
| Mahishya | Bengali | 10 | 10 | 0 | 0 | 0 | 0 | 0 |
| Mech | Boro (India) | 10 | 10 | 0 | 0 | 0 | 0 | 0 |
| Miri | Mising | 10 | 0 | 0 | 10 | 0 | 0 | 10 |
| Monpa | Sartang | 10 | 0 | 0 | 0 | 0 | 0 | 0 |
| Naga | - | 220 | 10 | 0 | 80 | 0 | 0 | 130 |
| Namassej (Hindu traditions) | Bengali | 10 | 10 | 0 | 0 | 0 | 0 | 0 |
| Nishang | Nyishi | 360 | 80 | 0 | 170 | 0 | 0 | 100 |
| Nissi | Nepali | 6,630 | 350 | 40 | 3,400 | 10 | 10 | 2,830 |
| Rabha | Rabha | 10 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rai | Nepali | 10 | 10 | 0 | 10 | 0 | 0 | 0 |
| Shaikh unspecified | Urdu | 40 | 0 | 40 | 0 | 0 | 0 | 0 |
| Simong | Purig | 240 | 0 | 0 | 50 | 0 | 0 | 190 |
| Puroik | Adi | 1,010 | 50 | 0 | 280 | 0 | 0 | 690 |
| Tagin | Tagin | 10 | 0 | 0 | 0 | 0 | 0 | 10 |
| Tangsa Yougli | Naga, Tangshang | 10 | 0 | 0 | 0 | 0 | 0 | 0 |
| Adi | Adi | 20 | 0 | 0 | 10 | 0 | 0 | 10 |
| Kui Khond | Assamese | 20 | 20 | 0 | 0 | 0 | 0 | 0 |
| Bania Agarwal | Hindi | 10 | 10 | 0 | 0 | 0 | 0 | 0 |
| Nyishi | Nyishi | 36,500 | 1,620 | 130 | 17,300 | 30 | 10 | 17,300 |
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