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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 | - | - | Ahwaz (Chaldean) | 1 | (none) | 1 | 1 | 1 | 1 | ||||
| 2 | 3,000 | - | Teheran (Chaldean) | 1 | (none) | 4 | 1 | 5 | 5 | 1 | 12 | 5 | |
| 3 | 1,000 | - | Urmya {Rezayeh} (Chaldean) | 1 | Salmas {Shahpour} (Chaldean) | 2 | 1 | 3 | 1 | 5 | 6 |
|