(Click on the column title to sort by that column)
| # | Catholics | Population | Percent Catholic | Diocese | Year | Source |
|---|---|---|---|---|---|---|
| 1 | 14,519 | 1,098,000 | 1.32% | Paksé (Vicariate Apostolic) | 2003 | ap2004 |
| 2 | 12,500 | 2,700,250 | .46% | Savannakhet (Vicariate Apostolic) | 2004 | ap2005 |
| 3 | 11,120 | 1,478,000 | .75% | Vientiane (Vicariate Apostolic) | 2002 | ap2003 |
| 4 | 2,560 | 1,248,690 | .21% | Luang Prabang (Vicariate Apostolic) | 2004 | ap2005 |
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