| People Group | Primary Language | Population | Hindu | Muslim | Christian | Buddhist | Sikh | Other |
|---|---|---|---|---|---|---|---|---|
| Arab | Arabic, Mesopotamian | 100 | 0 | 100 | 0 | 0 | 0 | 0 |
| Sri Lanka Moor | Tamil | 8,280 | 0 | 8,280 | 0 | 0 | 0 | 0 |
| Malay, Javar | Sri Lankan Malay Creole | 190 | 0 | 190 | 0 | 0 | 0 | 0 |
| Tamil (Muslim traditions) | Tamil | 45,800 | 0 | 45,800 | 0 | 0 | 0 | 0 |
| Adi Andhra | Telugu | 30 | 30 | 0 | 0 | 0 | 0 | 0 |
| Agamudaiyan unspecified | Tamil | 860 | 740 | 0 | 120 | 0 | 0 | 0 |
| Yadav (Hindu traditions) | Tamil | 510 | 510 | 0 | 0 | 0 | 0 | 0 |
| Ambalavasi | Tamil | 450 | 400 | 0 | 40 | 0 | 0 | 0 |
| Bania unspecified | Tamil | 400 | 400 | 0 | 0 | 0 | 0 | 0 |
| Boya | Tamil | 780 | 710 | 0 | 80 | 0 | 0 | 0 |
| Brahmin unspecified | Tamil | 2,180 | 2,180 | 0 | 0 | 0 | 0 | 0 |
| Burgher | Sinhala | 650 | 0 | 0 | 580 | 60 | 0 | 10 |
| Chakkiliyan (Hindu traditions) | Tamil | 1,250 | 1,250 | 0 | 0 | 0 | 0 | 0 |
| Dhobi (Hindu traditions) | Tamil | 560 | 560 | 0 | 0 | 0 | 0 | 0 |
| Hakki Pikki | Telugu | 40 | 40 | 0 | 0 | 0 | 0 | 0 |
| Christian | - | 540 | 0 | 0 | 540 | 0 | 0 | 0 |
| Idayan | Tamil | 290 | 260 | 0 | 30 | 0 | 0 | 0 |
| Ilavan | Tamil | 3,200 | 3,200 | 0 | 0 | 0 | 0 | 0 |
| Kallan | Tamil | 690 | 600 | 0 | 90 | 0 | 0 | 0 |
| Kasar (Hindu traditions) | Tamil | 120 | 100 | 0 | 20 | 0 | 0 | 0 |
| Kaikolan | Tamil | 3,470 | 3,090 | 0 | 380 | 0 | 0 | 0 |
| Kumhar, Kusavar (Hindu traditions) | Tamil | 250 | 250 | 0 | 0 | 0 | 0 | 0 |
| Kuravan (Hindu traditions) | Tamil | 150 | 150 | 0 | 0 | 0 | 0 | 0 |
| Mappila | Malayalam | 100 | 0 | 100 | 0 | 0 | 0 | 0 |
| Maravan | Tamil | 4,410 | 3,870 | 0 | 540 | 0 | 0 | 0 |
| Memon | Gujarati | 30 | 0 | 30 | 0 | 0 | 0 | 0 |
| Mukkuvan (Hindu traditions) | Tamil | 60 | 60 | 0 | 0 | 0 | 0 | 0 |
| Nadar (Hindu traditions) | Tamil | 930 | 930 | 0 | 0 | 0 | 0 | 0 |
| Navithan | Tamil | 1,100 | 940 | 0 | 160 | 0 | 0 | 0 |
| Navait | Tamil | 850 | 0 | 850 | 0 | 0 | 0 | 0 |
| Panan | Tamil | 240 | 210 | 0 | 20 | 0 | 0 | 0 |
| Paraiyan (Hindu traditions) | Tamil | 4,870 | 4,870 | 0 | 0 | 0 | 0 | 0 |
| Paravan (Hindu traditions) | Tamil | 80 | 80 | 0 | 0 | 0 | 0 | 0 |
| Pallan (Hindu traditions) | Tamil | 2,190 | 2,190 | 0 | 0 | 0 | 0 | 0 |
| Pulayan | Tamil | 200 | 180 | 0 | 20 | 0 | 0 | 0 |
| Rodiya | Sinhala | 540 | 0 | 0 | 0 | 540 | 0 | 0 |
| Sali, Seriyar | Tamil | 180 | 160 | 0 | 20 | 0 | 0 | 0 |
| Samban | Tamil | 90 | 90 | 0 | 0 | 0 | 0 | 0 |
| Sayyid | Tamil | 2,020 | 0 | 2,020 | 0 | 0 | 0 | 0 |
| Semman | Tamil | 90 | 90 | 0 | 0 | 0 | 0 | 0 |
| Shaikh | Tamil | 11,800 | 0 | 11,800 | 0 | 0 | 0 | 0 |
| Sonar (Hindu traditions) | Tamil | 400 | 400 | 0 | 0 | 0 | 0 | 0 |
| Teli (Hindu traditions) | Tamil | 220 | 220 | 0 | 0 | 0 | 0 | 0 |
| Viswakarma | Tamil | 780 | 780 | 0 | 0 | 0 | 0 | 0 |
| Vellalan | Tamil | 1,700 | 1,530 | 0 | 170 | 0 | 0 | 0 |
| Valluvan | Tamil | 150 | 130 | 0 | 20 | 0 | 0 | 0 |
| Vannan (Hindu traditions) | Tamil | 1,280 | 1,280 | 0 | 0 | 0 | 0 | 0 |
| Vanniyan | Tamil | 1,800 | 1,680 | 0 | 120 | 0 | 0 | 0 |
| Hajam | Tamil | 200 | 0 | 200 | 0 | 0 | 0 | 0 |
| Bania Chetti | Telugu | 40 | 40 | 0 | 0 | 0 | 0 | 0 |
| Vaniyan | Tamil | 790 | 710 | 0 | 90 | 0 | 0 | 0 |
| Sri Lanka Chetti | Tamil | 90 | 90 | 0 | 0 | 0 | 0 | 0 |
| Agamudaiyan Nattaman | Tamil | 470 | 400 | 0 | 70 | 0 | 0 | 0 |
| Osta (Nasuva) | Tamil | 70 | 0 | 70 | 0 | 0 | 0 | 0 |
| Silpi | Tamil | 180 | 170 | 0 | 10 | 0 | 0 | 0 |
| Ahinkuntaya | Sinhala | 3,000 | 0 | 0 | 30 | 2,970 | 0 | 0 |
| Ambattan | Tamil | 180 | 180 | 0 | 0 | 0 | 0 | 0 |
| Badahala | Sinhala | 5,560 | 0 | 0 | 80 | 5,490 | 0 | 0 |
| Batgama | Sinhala | 40,200 | 0 | 0 | 290 | 39,900 | 0 | 0 |
| Berava | Sinhala | 18,400 | 0 | 0 | 300 | 18,100 | 0 | 0 |
| Bintanna | Sinhala | 310 | 0 | 0 | 0 | 310 | 0 | 0 |
| Bodhivansha | Sinhala | 690 | 0 | 0 | 0 | 690 | 0 | 0 |
| Couratto | Sinhala | 1,540 | 0 | 0 | 30 | 1,510 | 0 | 0 |
| Dodda-Weddah | Sinhala | 3,020 | 0 | 0 | 60 | 2,970 | 0 | 0 |
| Gahala | Sinhala | 1,100 | 0 | 0 | 20 | 1,070 | 0 | 0 |
| Gattara | Sinhala | 39,500 | 0 | 0 | 670 | 38,800 | 0 | 0 |
| Gauraykwallu | Sinhala | 1,200 | 0 | 0 | 10 | 1,190 | 0 | 0 |
| Govigama | Sinhala | 33,400 | 0 | 0 | 960 | 32,400 | 0 | 0 |
| Govigama Patti | Sinhala | 1,460 | 0 | 0 | 0 | 1,460 | 0 | 0 |
| Govigama Radala | Sinhala | 1,460 | 0 | 0 | 0 | 1,460 | 0 | 0 |
| Handi | Sinhala | 870 | 0 | 0 | 0 | 870 | 0 | 0 |
| Hannali | Sinhala | 16,900 | 0 | 0 | 300 | 16,600 | 0 | 0 |
| Hanomoreyo | Sinhala | 170 | 0 | 0 | 0 | 170 | 0 | 0 |
| Heeri | Sinhala | 4,480 | 0 | 0 | 70 | 4,410 | 0 | 0 |
| Henawalayo | Sinhala | 1,200 | 0 | 0 | 10 | 1,190 | 0 | 0 |
| Hinna | Sinhala | 12,300 | 0 | 0 | 270 | 12,000 | 0 | 0 |
| Hunna | Sinhala | 4,570 | 0 | 0 | 60 | 4,510 | 0 | 0 |
| Indian Tamil | Tamil | 340 | 260 | 0 | 80 | 0 | 0 | 0 |
| Karaiyar | Tamil | 2,170 | 2,150 | 0 | 20 | 0 | 0 | 0 |
| Karava | Sinhala | 50,000 | 0 | 0 | 810 | 49,200 | 0 | 0 |
| Kiddea | Sinhala | 740 | 0 | 0 | 0 | 740 | 0 | 0 |
| Kinnara | Sinhala | 2,970 | 0 | 0 | 10 | 2,960 | 0 | 0 |
| Konta Durayi | Sinhala | 650 | 0 | 0 | 0 | 650 | 0 | 0 |
| Koviar | Tamil | 310 | 310 | 0 | 0 | 0 | 0 | 0 |
| Kustarogiyo | Sinhala | 740 | 0 | 0 | 0 | 740 | 0 | 0 |
| Maravar | Tamil | 1,160 | 1,160 | 0 | 0 | 0 | 0 | 0 |
| Nalavar | Tamil | 600 | 600 | 0 | 0 | 0 | 0 | 0 |
| Navandanna | Sinhala | 63,500 | 0 | 0 | 540 | 62,900 | 0 | 0 |
| Oli | Sinhala | 1,530 | 0 | 0 | 0 | 1,530 | 0 | 0 |
| Palla | Tamil | 70 | 70 | 0 | 0 | 0 | 0 | 0 |
| Pallar | Tamil | 670 | 670 | 0 | 0 | 0 | 0 | 0 |
| Palliwilli | Tamil | 130 | 130 | 0 | 0 | 0 | 0 | 0 |
| Pamunu | Sinhala | 1,520 | 0 | 0 | 0 | 1,520 | 0 | 0 |
| Panna | Tamil | 70 | 70 | 0 | 0 | 0 | 0 | 0 |
| Pannikki | Sinhala | 12,200 | 0 | 0 | 220 | 12,000 | 0 | 0 |
| Paraiyar | Tamil | 950 | 850 | 0 | 0 | 100 | 0 | 0 |
| Pidayne Danno | Sinhala | 450 | 0 | 0 | 0 | 450 | 0 | 0 |
| Porowakara | Sinhala | 170 | 0 | 0 | 0 | 170 | 0 | 0 |
| Radava | Sinhala | 19,400 | 0 | 0 | 280 | 19,100 | 0 | 0 |
| Radayo | Sinhala | 450 | 0 | 0 | 0 | 450 | 0 | 0 |
| Rajaka | Sinhala | 7,460 | 0 | 0 | 110 | 7,340 | 0 | 0 |
| Sinhalese | Sinhala | 16,400 | 0 | 0 | 200 | 16,200 | 0 | 0 |
| Sri Lankan Tamil | Tamil | 300 | 300 | 0 | 10 | 0 | 0 | 0 |
| Tattar | Tamil | 180 | 180 | 0 | 0 | 0 | 0 | 0 |
| Thanakavar | Tamil | 180 | 170 | 0 | 10 | 0 | 0 | 0 |
| Thimilar | Tamil | 260 | 260 | 0 | 0 | 0 | 0 | 0 |
| Vanniyar | Tamil | 590 | 590 | 0 | 0 | 0 | 0 | 0 |
| Vellalar | Tamil | 14,700 | 14,600 | 0 | 70 | 0 | 0 | 0 |
| Wahumpura | Sinhala | 428,000 | 0 | 0 | 6,550 | 421,000 | 0 | 0 |
| Yamannu | Sinhala | 7,610 | 0 | 0 | 170 | 7,440 | 0 | 0 |
| Primanar | Tamil | 740 | 740 | 0 | 0 | 0 | 0 | 0 |
| Brahmin Indian Tamil | Tamil | 1,550 | 1,550 | 0 | 0 | 0 | 0 | 0 |
| Pashtun, Pathan | Tamil | 1,770 | 0 | 1,770 | 0 | 0 | 0 | 0 |
| Nadar (Christian traditions) | Tamil | 130 | 0 | 0 | 130 | 0 | 0 | 0 |
| Chakkiliyan (Christian traditions) | Tamil | 200 | 0 | 0 | 200 | 0 | 0 | 0 |
| Paraiyan (Christian traditions) | Tamil | 670 | 0 | 0 | 670 | 0 | 0 | 0 |
| Pallan (Christian traditions) | Tamil | 300 | 0 | 0 | 300 | 0 | 0 | 0 |
| Vannan (Christian traditions) | Tamil | 130 | 0 | 0 | 130 | 0 | 0 | 0 |
| Ilavan Christian | Tamil | 400 | 0 | 0 | 400 | 0 | 0 | 0 |
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