(Click on the column title to sort by that column)
| # | Catholics | Population | Percent Catholic | Diocese | Year | Source |
|---|---|---|---|---|---|---|
| 1 | 1,600,000 | 2,033,739 | 78.67% | Santa Cruz de la Sierra (Archdiocese) | 2004 | ap2005 |
| 2 | 1,292,872 | 1,474,150 | 87.70% | La Paz (Archdiocese) | 2004 | ap2005 |
| 3 | 1,325,861 | 1,455,711 | 91.08% | Cochabamba (Archdiocese) | 2004 | ap2005 |
| 4 | 900,000 | 1,100,000 | 81.82% | El Alto | 2004 | ap2005 |
| 5 | 651,144 | 723,494 | 90.00% | Potosí | 2004 | ap2005 |
| 6 | 473,967 | 552,619 | 85.77% | Sucre (Archdiocese) | 2004 | ap2005 |
| 7 | 342,993 | 403,521 | 85.00% | Oruro | 2004 | ap2005 |
| 8 | 301,785 | 391,226 | 77.14% | Tarija | 2004 | ap2005 |
| 9 | 190,000 | 220,000 | 86.36% | Aiquile (Territorial Prelature) | 2004 | ap2005 |
| 10 | 200,000 | 220,000 | 90.91% | San Ignacio de Velasco | 2004 | ap2005 |
| 11 | 190,430 | 210,894 | 90.30% | Corocoro (Territorial Prelature) | 2004 | ap2005 |
| 12 | 165,237 | 186,975 | 88.37% | Coroico | 2004 | ap2005 |
| 13 | 145,898 | 182,372 | 80.00% | El Beni o Beni (Vicariate Apostolic) | 2004 | ap2005 |
| 14 | 144,768 | 170,000 | 85.16% | Pando (Vicariate Apostolic) | 2004 | ap2005 |
| 15 | 117,873 | 151,350 | 77.88% | Ñuflo de Chávez (Vicariate Apostolic) | 2004 | ap2005 |
| 16 | 108,500 | 138,000 | 78.62% | Reyes (Vicariate Apostolic) | 2004 | ap2005 |
| 17 | 110,500 | 129,000 | 85.66% | Camiri (Vicariate Apostolic) | 2004 | ap2005 |
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