(Click on the column title to sort by that column)
| # | Catholics | Population | Percent Catholic | Diocese | Year | Source |
|---|---|---|---|---|---|---|
| 1 | 2,000 | 3,883,035 | .05% | Laghouat | 2004 | ap2005 |
| 2 | 1,500 | 9,002,000 | .02% | Alger (Archdiocese) | 2004 | ap2005 |
| 3 | 400 | 7,250,000 | .01% | Oran | 2004 | ap2005 |
| 4 | 300 | 11,000,000 | .00% | Constantine (-Hippone) | 2004 | ap2005 |
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