(Click on the column title to sort by that column)
| # | Catholics | Population | Percent Catholic | Diocese | Year | Source |
|---|---|---|---|---|---|---|
| 1 | 156,608 | 2,650,000 | 5.91% | N'Djaména (Archdiocese) | 2004 | ap2005 |
| 2 | 5,250 | 1,700,000 | .31% | Mongo (Prefecture Apostolic) | 2004 | ap2005 |
| 3 | 111,300 | 1,078,134 | 10.32% | Sarh | 2004 | ap2005 |
| 4 | 35,246 | 1,025,000 | 3.44% | Pala | 2004 | ap2005 |
| 5 | 100,000 | 574,000 | 17.42% | Lai | 2004 | ap2005 |
| 6 | 182,895 | 533,089 | 34.31% | Moundou | 2004 | ap2005 |
| 7 | 65,320 | 352,800 | 18.51% | Doba | 2004 | ap2005 |
| 8 | 66,328 | 266,200 | 24.92% | Goré | 2004 | ap2005 |
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