Catholic Populations (Source:
Our Sunday Visitor) by: Matthew Bunson
Largest1. Brazil, 159,700,000
2. Mexico, 89,000,000
3. Philippines, 71,973,000
4. United States, 68,115,001
5. Italy, 56,933,000
6. France, 46,690,000
7. Spain, 41,790,000
8. Colombia, 41,121,000
9. Poland, 36,608,000
10. Argentina, 36,409,000
11. Congo, 33,036,000
12. Germany, 25,581,000
13. Peru, 25,175,000
14. Venezuela, 24,010,000
15. Nigeria, 21,579,000
16. India, 18,585,000
17. Canada, 12,974,000
18. Uganda, 12,616,000
19. Ecuador, 12,435,000
20. Chile, 12,292,000
21. Tanzania, 11,793,000
22. Guatemala, 10,838,000
23. Portugal, 9,357,000
24. Kenya, 9,334,000
25. Angola, 8,600,000
Smallest17. Iran, 19,000; tot. pop., 71,990,000.
16. Finland, 10,000; tot. pop., 5,290,000.
15. Djibouti, 7,000; tot. pop., 757,000.
14. Nepal, 6,000; tot. pop., 26,081,000.
13. Mauritania, 5,000; tot. pop., 3,210,000.
12. Mongolia, 4,000; tot. pop., 2,610,000.
11. Algeria, 4,000; tot. pop., 34,038,000.
10. Uzbekistan, 4,000; tot. pop. 26,670,000.
9. Tajikistan, 3,000; tot. pop. 7,164,000.
8. Brunei, 1,800; tot. pop., 375,000.
7. Bhutan, 1,000; tot. pop., 2,451,000.
6. Turkmenistan, 1,000; tot. pop., 5,000,000.
5. Kyrgyzstan, 1,000; tot. pop., 5,230,000.
4. Somalia, 100; tot. pop., 8,073,000.
3. Maldives Republic, 100 percent Muslim.
2. Korea, North, Christianity is illegal.
1. Saudi Arabia, Christianity is illegal.
Catholic to Priest RationsAfrica, 4,758 to 1
North America, 3,184 to 1
South America, 7,138 to 1
Asia, 2,285 to 1
Europe, 1,457 to 1
Oceania, 1,930 to 1
Totals, 2,810 to 1
Top 5 Catholic Populations1. Brazil, 159,700,000
2. Mexico, 89,000,000
3. Philippines, 71,973,000
4. United States, 68,115,001
5. Italy, 56,933,000
Catholic Mass AttendanceAccording to the Center for Applied Research in the Apostolate at Georgetown University, the highest percentages of weekly Mass attendance of Catholics in nations with large Catholic populations (1980-present) are found in:
Malta, 84 percent
Ireland, 71 percent
Poland, 60 percent
Mexico, 51 percent
El Salvador, 61 percent
Slovakia, 57 percent
Philippines, 56 percent
Bosnia and Herzegovina, 55 percent
Dominican Republic, 50 percent
Italy, 36 percent
Globally, 40 percent
U.S., 36 percent
By the NumbersCountries with the most cardinalsItaly, 39
United States, 16
Spain, 10
France, 9
Brazil, 8
Poland, 8
* Countries with the most bishopsItaly, 483 (the majority of Italian prelates, 278, work in the Roman Curia)
United States, 476
Brazil, 428
* Country with the most SeminariansIndia, 14,120
World Religions1. Christianity, 2.1 billion (Catholic Church, 1.14 billion; Protestants, 630 million, Orthodox, 245-250 million)
2. Islam, 1.5 billion
3. Secular/Nonreligious/Agnostic/Atheist, 1.1 billion
4. Hinduism, 900 million
5. Chinese traditional religion, 394 million
6. Buddhism, 376 million
7. Primal-indigenous, 300 million
8. African Traditional & Diasporic, 100 million
9. Sikhism, 23 million
10. Juche, 19 million
11. Spiritism, 15 million
12. Judaism, 14 million
13. Baha’i, 7 million
14. Jainism, 4.2 million
15. Shinto, 4 million
16. Cao Dai, 4 million
17. Zoroastrianism, 2.6 million
18. Tenrikyo, 2 million
19. Neo-Paganism, 1 million
20. Unitarian-Universalism, 800,000
21. Rastafarianism, 600,000
22. Scientology, 500,000
(As of 2007; (
Adherents.com) or visit
Catholic-hierarchy.orgPercentages of Catholics in World Population
17.3% World
17.4% Africa
24.4% North America
84% Central America
86% South America
3.0% Asia
40% Europe
26.4% Oceania