| Chadian Arabic | 3323500 | 2 | 13 |
| Ngambay | 1730500 | 1 | 9 |
| Kanembu | 922000 | 0 | 3 |
| Dazaga | 712300 | 0 | 14 |
| Arabic | 625000 | 23 | 1509 |
| Maba (Chad) | 560000 | 0 | 3 |
| Gulay | 516600 | 1 | 0 |
| Sar | 467400 | 2 | 3 |
| Hausa | 400000 | 5 | 78 |
| Musey | 383900 | 1 | 2 |
| Naba | 287000 | 0 | 2 |
| Marba | 271800 | 2 | 9 |
| Adamawa Fulfulde | 271800 | 3 | 43 |
| Masana | 260000 | 1 | 6 |
| Central Kanuri | 221000 | 1 | 12 |
| Tupuri | 191000 | 1 | 3 |
| Laka (Chad) | 184700 | 1 | 0 |
| Zaghawa | 173700 | 0 | 1 |
| Chadian Sign Language | 169100 | 0 | 0 |
| Gor | 159800 | 1 | 1 |
| Day | 157900 | 0 | 2 |
| Nancere | 144600 | 1 | 3 |
| Bagirmi | 141600 | 0 | 2 |
| Kera | 140800 | 1 | 3 |
| Ngam | 138400 | 0 | 1 |
| Buduma | 136000 | 0 | 1 |
| Mararit | 134100 | 0 | 2 |
| Dangaléat | 118500 | 1 | 1 |
| Masalit | 118300 | 0 | 1 |
| Kenga | 112100 | 2 | 6 |
| Mubi | 111600 | 0 | 0 |
| Herdé | 105300 | 0 | 3 |
| Mango | 104200 | 2 | 1 |
| Dar Sila Daju | 100700 | 0 | 1 |
| Tedaga | 90190 | 0 | 1 |
| Lele (Chad) | 89680 | 3 | 3 |
| Gabri | 84430 | 1 | 3 |
| Masmaje | 81420 | 0 | 0 |
| Mbay | 80000 | 2 | 2 |
| Tumak | 79900 | 1 | 1 |
| Tobanga | 79030 | 1 | 1 |
| Pévé | 79030 | 2 | 3 |
| Runga | 67970 | 0 | 0 |
| Dar Daju Daju | 67130 | 0 | 1 |
| Sango | 60250 | 2 | 6 |
| Tama (Chad) | 59000 | 0 | 1 |
| Kaba | 58520 | 1 | 4 |
| Kabalai | 56590 | 0 | 3 |
| Migaama | 49080 | 1 | 1 |
| Bagirmi Fulfulde | 41890 | 0 | 0 |
| Kajakse | 41870 | 0 | 0 |
| Sara Kaba Deme | 40000 | 0 | 1 |
| Algerian Saharan Arabic | 39610 | 0 | 2 |
| Sudanese Creole Arabic | 39090 | 0 | 12 |
| Kimré | 38820 | 1 | 19 |
| Mbum | 35340 | 1 | 5 |
| Sara Kaba Náà | 35000 | 0 | 8 |
| Ngete | 33510 | 1 | 0 |
| Fur | 30900 | 0 | 6 |
| Sinyar | 30190 | 0 | 1 |
| Sudanese Arabic | 29310 | 3 | 14 |
| Lagwan | 27380 | 0 | 1 |
| Birgit | 26560 | 0 | 0 |
| Gula (Chad) | 25270 | 0 | 0 |
| Assangori | 25000 | 0 | 2 |
| Bua | 24390 | 0 | 1 |
| Somrai | 23460 | 1 | 1 |
| Toram | 21600 | 0 | 0 |
| Mesme | 20000 | 2 | 3 |
| Musgu | 20000 | 2 | 4 |
| Kuo | 19710 | 1 | 2 |
| Surbakhal | 19360 | 0 | 0 |
| Marfa | 19050 | 0 | 0 |
| Nzakambay | 18000 | 0 | 4 |
| Kibet | 18000 | 0 | 2 |
| Dagba | 17860 | 0 | 0 |
| French | 17520 | 45 | 126 |
| Sokoro | 17250 | 0 | 1 |
| Mandarin Chinese | 16930 | 46 | 104 |
| Mawa (Chad) | 16760 | 0 | 1 |
| Kim | 15000 | 2 | 7 |
| Barein | 12970 | 0 | 1 |
| Kulfa | 12430 | 0 | 5 |
| Mukulu | 12000 | 1 | 4 |
| Gidar | 12000 | 1 | 1 |
| Zan Gula | 11680 | 0 | 0 |
| Morom | 10000 | 0 | 0 |
| Mulgi | 8010 | 0 | 0 |
| Ubi | 7200 | 0 | 0 |
| Tunia | 7130 | 0 | 1 |
| Ndam | 7000 | 0 | 1 |
| Mogum | 7000 | 0 | 0 |
| Jaya | 6960 | 0 | 0 |
| Zerenkel | 6710 | 0 | 0 |
| Disa | 5820 | 0 | 0 |
| Bolgo | 5690 | 0 | 0 |
| Sarua | 5610 | 0 | 0 |
| Mpade | 5390 | 0 | 0 |
| Niellim | 5000 | 0 | 0 |
| Mambai | 4810 | 0 | 1 |
| Kendeje | 4560 | 0 | 0 |
| Kujarge | 4280 | 0 | 0 |
| Mbara (Chad) | 4280 | 0 | 0 |
| Babalia Creole Arabic | 3940 | 0 | 0 |
| Besme | 3880 | 0 | 0 |
| Gula Iro | 3500 | 0 | 2 |
| Saba | 3410 | 0 | 1 |
| Bon Gula | 3360 | 0 | 0 |
| Karanga | 2950 | 0 | 0 |
| Mser | 2730 | 0 | 0 |
| Gadang | 2500 | 0 | 0 |
| Koke | 1900 | 0 | 0 |
| Laal | 1830 | 0 | 0 |
| Lutos | 1500 | 1 | 1 |
| Jonkor Bourmataguil | 1500 | 0 | 0 |
| Majera | 1310 | 0 | 0 |
| Tamki | 1310 | 0 | 0 |
| Pana (Central African Republic) | 1000 | 1 | 2 |
| Karang | 1000 | 1 | 3 |
| Miltu | 860 | 0 | 0 |
| English | 820 | 242 | 359 |
| Boor | 260 | 0 | 0 |
| Buso | 40 | 0 | 0 |
| Noy | 36 | 0 | 0 |
| Goundo | 30 | 0 | 0 |
| Massalat | 10 | 0 | 0 |
| Mabire | 3 | 0 | 0 |
| Berakou | 2 | 0 | 0 |
| Malgbe | 0 | 0 | 0 |
| Mundang | 0 | 2 | 10 |
| Maslam | 0 | 0 | 0 |
| Muskum | 0 | 0 | 0 |
| Kwang | 0 | 0 | 5 |
| Horo | 0 | 0 | 0 |
| Ga'dang | 0 | 1 | 0 |
| Nigerian Fulfulde | 0 | 2 | 13 |
| Fania | 0 | 0 | 0 |
| Fongoro | 0 | 0 | 0 |
| Bedjond | 0 | 1 | 0 |
| Bidiyo | 0 | 0 | 1 |
| Amdang | 0 | 0 | 0 |
