(Click on the column title to sort by that column)
| # | Catholics | Population | Percent Catholic | Diocese | Year | Source |
|---|---|---|---|---|---|---|
| 1 | 98,362 | 550,026 | 17.88% | Keningau | 2004 | ap2005 |
| 2 | 205,073 | 3,122,900 | 6.57% | Kota Kinabalu | 2004 | ap2005 |
| 3 | 92,344 | 9,050,100 | 1.02% | Kuala Lumpur (Archdiocese) | 2004 | ap2005 |
| 4 | 140,307 | 939,550 | 14.93% | Kuching (Archdiocese) | 2004 | ap2005 |
| 5 | 38,504 | 3,242,500 | 1.19% | Melaka-Johor | 2004 | ap2005 |
| 6 | 56,774 | 517,000 | 10.98% | Miri | 1997 | ap2003 |
| 7 | 65,100 | 6,600,000 | .99% | Penang | 2004 | ap2005 |
| 8 | 90,000 | 720,000 | 12.50% | Sibu | 2004 | ap2005 |
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