(Click on the column title to sort by that column)
| # | Catholics | Population | Percent Catholic | Diocese | Year | Source |
|---|---|---|---|---|---|---|
| 1 | 470,000 | 485,000 | 96.91% | Acarigua-Araure | 2004 | ap2005 |
| 2 | 1,529,000 | 1,705,000 | 89.68% | Barcelona | 2004 | ap2005 |
| 3 | 586,950 | 624,414 | 94.00% | Barinas | 2004 | ap2005 |
| 4 | 1,120,102 | 1,720,010 | 65.12% | Barquisimeto (Archdiocese) | 2004 | ap2005 |
| 5 | 739,380 | 797,560 | 92.71% | Cabimas | 2004 | ap2005 |
| 6 | 500,000 | 540,000 | 92.59% | Calabozo (Archdiocese) | 2004 | ap2005 |
| 7 | 3,400,000 | 4,000,000 | 85.00% | Caracas, Santiago de Venezuela (Archdiocese) | 2004 | ap2005 |
| 8 | 38,100 | 50,500 | 75.45% | Caroní (Vicariate Apostolic) | 2004 | ap2005 |
| 9 | 251,221 | 265,712 | 94.55% | Carora | 2004 | ap2005 |
| 10 | 429,107 | 432,147 | 99.30% | Carúpano | 2004 | ap2005 |
| 11 | 500,000 | 516,000 | 96.90% | Ciudad Bolívar (Archdiocese) | 2004 | ap2005 |
| 12 | 765,000 | 850,000 | 90.00% | Ciudad Guayana | 2004 | ap2005 |
| 13 | 449,849 | 518,726 | 86.72% | Coro (Archdiocese) | 2004 | ap2005 |
| 14 | 612,055 | 680,075 | 90.00% | Cumaná (Archdiocese) | 2004 | ap2005 |
| 15 | 357,130 | 368,176 | 97.00% | El Vigia-San Carlos del Zulia | 2004 | ap2005 |
| 16 | 400,000 | 450,000 | 88.89% | Guanare | 2004 | ap2005 |
| 17 | 523,857 | 550,895 | 95.09% | Guarenas | 2004 | ap2005 |
| 18 | 295,750 | 325,000 | 91.00% | La Guaira | 2004 | ap2005 |
| 19 | 1,100,000 | 1,300,000 | 84.62% | Los Teques | 2004 | ap2005 |
| 20 | 250,000 | 290,000 | 86.21% | Machiques (Vicariate Apostolic) | 2004 | ap2005 |
| 21 | 1,863,690 | 2,006,757 | 92.87% | Maracaibo (Archdiocese) | 2004 | ap2005 |
| 22 | 1,382,083 | 1,588,749 | 86.99% | Maracay | 2004 | ap2005 |
| 23 | 335,815 | 398,712 | 84.22% | Margarita | 2004 | ap2005 |
| 24 | 610,000 | 700,000 | 87.14% | Maturín | 2004 | ap2005 |
| 25 | 543,118 | 603,464 | 90.00% | Mérida (Archdiocese) | 2004 | ap2005 |
| 26 | 150,000 | 200,000 | 75.00% | Puerto Ayacucho (Vicariate Apostolic) | 2004 | ap2005 |
| 27 | 270,000 | 300,000 | 90.00% | Puerto Cabello | 2004 | ap2005 |
| 28 | 252,954 | 267,700 | 94.49% | Punto Fijo | 2004 | ap2005 |
| 29 | 258,090 | 268,654 | 96.07% | San Carlos de Venezuela | 2004 | ap2005 |
| 30 | 1,250,000 | 1,500,000 | 83.33% | San Cristóbal de Venezuela | 2004 | ap2005 |
| 31 | 438,000 | 500,000 | 87.60% | San Felipe | 2004 | ap2005 |
| 32 | 352,750 | 415,000 | 85.00% | San Fernando de Apure | 2004 | ap2005 |
| 33 | 677,062 | 712,697 | 95.00% | Trujillo | 2004 | ap2005 |
| 34 | 95,000 | 124,043 | 76.59% | Tucupita (Vicariate Apostolic) | 2004 | ap2005 |
| 35 | 1,650,000 | 1,850,000 | 89.19% | Valencia en Venezuela (Archdiocese) | 2004 | ap2005 |
| 36 | 352,000 | 360,000 | 97.78% | Valle de la Pascua | 2004 | ap2005 |
| 37 | Venezuela, Military (Military Ordinariate) | 2004 | ap2005 | |||
| 38 | 25,000 | Venezuela, Faithful of the Oriental Rite (Melkite) (Apostolic Exarchate) | 2004 | ap2005 |
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