(Click on the column title to sort by that column)
| # | Catholics | Population | Percent Catholic | Diocese | Year | Source |
|---|---|---|---|---|---|---|
| 1 | 181,360 | 1,610,000 | 11.26% | Auckland | 2004 | ap2005 |
| 2 | 39,600 | 601,608 | 6.58% | Hamilton in New Zealand | 2004 | ap2005 |
| 3 | 81,189 | 522,504 | 15.54% | Wellington (Archdiocese) | 2004 | ap2005 |
| 4 | 62,715 | 503,631 | 12.45% | Christchurch | 2004 | ap2005 |
| 5 | 62,844 | 444,837 | 14.13% | Palmerston North | 2004 | ap2005 |
| 6 | 34,152 | 265,512 | 12.86% | Dunedin | 2004 | ap2005 |
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