(Click on the column title to sort by that column)
| # | Catholics | Population | Percent Catholic | Diocese | Year | Source |
|---|---|---|---|---|---|---|
| 1 | 82,150 | 287,045 | 28.62% | Franceville | 2004 | ap2005 |
| 2 | 289,500 | 553,777 | 52.28% | Libreville (Archdiocese) | 2004 | ap2005 |
| 3 | 50,000 | 85,000 | 58.82% | Makokou (Prefecture Apostolic) | 2004 | ap2005 |
| 4 | 46,200 | 115,800 | 39.90% | Mouila | 2004 | ap2005 |
| 5 | 78,020 | 159,615 | 48.88% | Oyem | 2004 | ap2005 |
| 6 | 70,500 | 126,223 | 55.85% | Port-Gentil | 2004 | ap2005 |
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