(Click on the column title to sort by that column)
| # | Catholics | Population | Percent Catholic | Diocese | Year | Source |
|---|---|---|---|---|---|---|
| 1 | 175,000 | 292,000 | 59.93% | Mbalmayo | 2004 | ap2005 |
| 2 | 114,000 | 200,000 | 57.00% | Eséka | 2004 | ap2005 |
| 3 | 145,043 | 255,000 | 56.88% | Edéa | 2004 | ap2005 |
| 4 | 85,001 | 149,464 | 56.87% | Sangmélima | 2004 | ap2005 |
| 5 | 342,258 | 614,858 | 55.66% | Obala | 2004 | ap2005 |
| 6 | 175,135 | 320,100 | 54.71% | Ebolowa-Kribi | 2004 | ap2005 |
| 7 | 202,953 | 400,000 | 50.74% | Bafia | 2004 | ap2005 |
| 8 | 319,549 | 667,268 | 47.89% | Nkongsamba | 2004 | ap2005 |
| 9 | 92,646 | 198,302 | 46.72% | Doumé-Abong' Mbang | 2004 | ap2005 |
| 10 | 693,800 | 1,576,200 | 44.02% | Yaoundé (Archdiocese) | 2004 | ap2005 |
| 11 | 101,154 | 308,875 | 32.75% | Bertoua (Archdiocese) | 2004 | ap2005 |
| 12 | 289,542 | 950,000 | 30.48% | Buéa | 2004 | ap2005 |
| 13 | 26,135 | 107,248 | 24.37% | Yokadouma | 2004 | ap2005 |
| 14 | 40,000 | 184,540 | 21.68% | Batouri | 2004 | ap2005 |
| 15 | 238,000 | 1,100,000 | 21.64% | Bamenda (Archdiocese) | 2004 | ap2005 |
| 16 | 530,357 | 2,500,000 | 21.21% | Douala (Archdiocese) | 2004 | ap2005 |
| 17 | 141,970 | 700,000 | 20.28% | Kumbo | 2004 | ap2005 |
| 18 | 300,000 | 1,800,000 | 16.67% | Bafoussam | 2004 | ap2005 |
| 19 | 43,630 | 268,257 | 16.26% | Mamfe | 2004 | ap2005 |
| 20 | 87,884 | 1,122,660 | 7.83% | Garoua (Archdiocese) | 2004 | ap2005 |
| 21 | 72,846 | 1,234,862 | 5.90% | Yagoua | 2004 | ap2005 |
| 22 | 35,500 | 655,706 | 5.41% | Ngaoundéré | 2004 | ap2005 |
| 23 | 43,420 | 1,510,000 | 2.88% | Maroua-Mokolo | 2004 | ap2005 |
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