Brazil is the largest Catholic country in the world, with an estimated Catholic population of 140 million, ahead of Mexico and the Philippines, with 101 million and 85 million Catholics, respectively. Nevertheless, Brazil's Catholic population is shrinking. By 2050, today's largest Catholic country could have a majority Protestant population.
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Top-10 countries with the largest number of Roman Catholic population in 2025
(in millions)
Characteristic
Catholic population in millions
Brazil
140
Mexico
101.3
Philippines
85.6
United States
85.3
DR Congo
60
Italy
50
France
44
Colombia
37.9
Spain
33
Argentina
31.2
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World Population Review. (May 5, 2025). Top-10 countries with the largest number of Roman Catholic population in 2025 (in millions) [Graph]. In Statista. Retrieved June 15, 2025, from https://www.statista.com/statistics/214760/10-countries-with-the-largest-number-of-catholics/
World Population Review. "Top-10 countries with the largest number of Roman Catholic population in 2025 (in millions)." Chart. May 5, 2025. Statista. Accessed June 15, 2025. https://www.statista.com/statistics/214760/10-countries-with-the-largest-number-of-catholics/
World Population Review. (2025). Top-10 countries with the largest number of Roman Catholic population in 2025 (in millions). Statista. Statista Inc.. Accessed: June 15, 2025. https://www.statista.com/statistics/214760/10-countries-with-the-largest-number-of-catholics/
World Population Review. "Top-10 Countries with The Largest Number of Roman Catholic Population in 2025 (in Millions)." Statista, Statista Inc., 5 May 2025, https://www.statista.com/statistics/214760/10-countries-with-the-largest-number-of-catholics/
World Population Review, Top-10 countries with the largest number of Roman Catholic population in 2025 (in millions) Statista, https://www.statista.com/statistics/214760/10-countries-with-the-largest-number-of-catholics/ (last visited June 15, 2025)
Top-10 countries with the largest number of Roman Catholic population in 2025 (in millions) [Graph], World Population Review, May 5, 2025. [Online]. Available: https://www.statista.com/statistics/214760/10-countries-with-the-largest-number-of-catholics/
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