| No. | Province | Pop'n (2009) |
Pop'n
(1 July 2023) |
Est. Area (km2) | Capital | Departments |
| 2 | Bahr el-Gazel | 257,267 | 407,256 | 58,525 | Moussoro | Barh el-Gazel Nord, Barh el-Gazel Sud, Barh el-Gazel Ouest, Barh el-Gazel Est, Kleta |
| 1 | Batha | 488,458 | 748,395 | 93,732 | Ati | Batha Est, Batha Ouest, Fitri, Ouadi-Rimé, Assinet, Haraze |
| 3 | Borkou | 93,584 | 154,865 | 271,513 | Faya | Borkou, Borkou-Yala, Kouba |
| 22 | Chari-Baguirmi | 578,425 | 884,924 | 47,226 | Massenya | Baguirmi, Chari, Loug-Chari, Dourbali |
| 8 | Ennedi-Est | 107,302 | 175,321 | 81,696 | Amdjarass | Amdjarass, Wadi Hawar, Itou, Nohi, Bao, Mourdi |
| 12 | Ennedi-Ouest | 60,617 | 109,753 | 117,686 | Fada | Fada, Mourtcha, Lac-Ounianga, Tebi, Gouro, Torbol |
| 9 | Guéra | 538,359 | 824,161 | 62,678 | Mongo | Guéra, Abtouyour, Barh-Signaka, Mangalmé, Garada |
| 23 | Hadjer-Lamis | 566,858 | 870,231 | 31,376 | Massakory | Dagana, Dababa Haraz-al-Biar, Ngoura |
| 13 | Kanem | 333,387 | 505,839 | 70,516 | Mao | Kanem-Centre, Kanem-Nord, Kanem-Sud, Kanem-Est, Kanem-Ouest |
| 14 | Lac | 331,496 | 509,258 | 20,543 | Bol | Mamdi, Wayi, Kaya, Fouli, Kouloukime |
| 11 | Logone Occidental | 689,044 | 1,053,958 | 8,969 | Moundou | Lac-Wey, Guéni, Ngourkosso, Dodjé |
| 7 | Logone Oriental | 779,339 | 1,184,567 | 24,119 | Doba | La Pendé, La Nya, La Nya-Pendé, Kouh-Est, Kouh-Ouest, Monts de Lam |
| 15 | Mandoul | 628,065 | 1,002,346 | 17,761 | Koumra | Barh-Sara, Mandoul Occidental, Mandoul Oriental, Goundi, Taralnass, Mandoul Central |
| 6 | Mayo-Kebbi Est | 774,782 | 1,179,260 | 18,458 | Bongor | Mayo-Boneye, Mayo-Lémié, Mont-Illi, Kabbia |
| 10 | Mayo-Kebbi Ouest | 564,470 | 858,593 | 12,787 | Pala | Mayo-Dallah, Mayo-Binder, Lac-Léré, El-Ouaya, Nanaye |
| 19 | Moyen-Chari | 588,008 | 902,311 | 42,307 | Sarh | Barh-Kôh, Grande Sido, Lac-Iro, Korbol, La Moula, Bragoto |
| 4 | Ouaddaï | 721,166 | 1,102,467 | 30,790 | Abéché | Ouara, Abougoudam, Djourf Al Ahmar, Assongha |
| 17 | Salamat | 302,301 | 470,256 | 69,631 | Am Timan | Barh-Azoum, Aboudeïa, Haraze-Mangueigne |
| 18 | Sila | 387,461 | 591,300 | 36,745 | Goz Beïda | Kimiti, Abdi, Tissi, Adé, Koukou-Angarana |
| 20 | Tandjilé | 661,906 | 1,007,812 | 17,891 | Laï | Tandjilé-Est, Tandjilé-Centre, Tandjilé-Ouest, Manga, Manbagué |
| 21 | Tibesti | 25,483 | 52,626 | 135,896 | Bardaï | Bardaï, Zouar, Wour, Aouzou, Emi-Koussi, Zoumri |
| 5 | Wadi Fira | 508,383 | 792,394 | 56,362 | Biltine | Biltine, Dar-Tama, Mégri, Iriba, Al-Biher, Dar-Alfawakih, Tiné |
| 16 | N'Djamena (capital) | 951,418 | 1,434,592 | 408 | N'Djamena | 10 dawāʾir or arrondissements |