Infographic Country-by-country breakdown of Catholic population Add to ... The Globe and Mail Published Monday, Feb. 11 2013, 10:01 PM EST Last updated Thursday, Feb. 14 2013, 1:56 PM EST The Catholic faith is in decline in many parts of the Western world while growing steadily in Africa and Asia. Here is a breakdown of the percentage of Catholics in each country around the world. Comments AA The map below is colour-coded by Catholic population, with darker colours having more Catholics than countries with lighter colours. Click any country to see a chart representing the percentage of Catholics in the area.