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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 | 311,000 | 3,500,000 | 8.89% | Babylon {Babilonia} (Chaldean) | 7 | Alquoch (Chaldean), Amadiyah (Chaldean), Aqra {Akra} (Chaldean), Baghdad (Chaldean), Sulaimaniya (Chaldean), Zaku (Chaldean) | 92 | 15 | 107 | 36 | 211 | 77 |
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