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| # | Catholics | Population | Percent Catholic | Province | Dioceses | Suffragans | Diocesan Priests | Religious Priests | Total Priests | Permanent Deacons | Male Religious | Female Religious | Parishes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 10,830,000 | 12,290,000 | 88.12% | Lima | 8 | Callao, Carabayllo, Chosica, Huacho, Ica, Lurín, Yauyos | 402 | 674 | 1,076 | 36 | 1,664 | 2,463 | 348 |
| 2 | 3,644,000 | 4,332,000 | 84.12% | Trujillo | 7 | Cajamarca, Chimbote, Huamachuco, Huaraz, Huarí, Moyobamba | 255 | 104 | 359 | 3 | 195 | 596 | 209 |
| 3 | 3,375,000 | 3,662,000 | 92.16% | Piura | 5 | Chachapoyas, Chiclayo, Chota, Chulucanas | 211 | 72 | 283 | 2 | 91 | 448 | 149 |
| 4 | 2,883,000 | 3,226,000 | 89.37% | Arequipa | 6 | Ayaviri, Chuquibamba, Juli, Puno, Tacna y Moquegua | 187 | 149 | 336 | 3 | 246 | 521 | 227 |
| 5 | 1,982,000 | 2,219,000 | 89.32% | Huancayo | 3 | Huánuco, Tarma | 81 | 59 | 140 | 11 | 85 | 171 | 95 |
| 6 | 1,942,000 | 2,035,000 | 95.43% | Cuzco | 4 | Abancay, Chuquibambilla, Sicuani | 170 | 91 | 261 | 4 | 149 | 545 | 176 |
| 7 | 835,000 | 1,057,000 | 79.00% | Ayacucho o Huamanga | 3 | Caravelí, Huancavélica | 80 | 20 | 100 | 27 | 198 | 95 |
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