(Click on the column title to sort by that column)
| # | Catholics | Population | Percent Catholic | Diocese | Year | Source |
|---|---|---|---|---|---|---|
| 1 | 90,000 | 3,985,000 | 2.26% | Maria Santissima in Astana (Archdiocese) | 2004 | ap2005 |
| 2 | 50,000 | 6,267,000 | .80% | Santissima Trinità in Almaty | 2004 | ap2005 |
| 3 | 40,000 | 3,433,300 | 1.17% | Karaganda | 2004 | ap2005 |
| 4 | 2,600 | 2,204,000 | .12% | Atyrau (Apostolic Administration) | 2004 | ap2005 |
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