Catholic Churches
The Catholic Churches form a denomination in Christianity and with about 1.3 billion believers worldwide are the largest Christian grouping. The Catholics are in turn divided into individual sub-churches. The Roman Catholic Church refers to the Latin Church (Western Church). There are also the Eastern Catholic Churches, which are again divided into Greek Catholic or Armenian Catholic Churches.The head of the Catholic Church is the Pope with seat in the Vatican.
| Country | Region | Distribution | total |
|---|---|---|---|
| Brazil | South America | 64.6 % | 136,338,000 |
| Mexico | Central America | 82.7 % | 105,505,000 |
| Philippines | Southeast Asia | 82.9 % | 89,629,000 |
| United States | North America | 23.9 % | 78,449,000 |
| Italy | Southern Europe | 87.8 % | 52,941,000 |
| Colombia | South America | 90.0 % | 45,305,000 |
| Spain | Southern Europe | 94.0 % | 44,252,000 |
| Democratic Republic of the Congo | Central Africa | 50.0 % | 43,395,000 |
| Argentina | South America | 92.0 % | 41,344,000 |
| France | Western Europe | 58.0 % | 38,895,000 |
| Poland | Eastern Europe | 87.0 % | 33,035,000 |
| Venezuela | South America | 96.0 % | 27,375,000 |
| Peru | South America | 81.3 % | 26,431,000 |
| Germany | Western Europe | 28.5 % | 23,693,000 |
| Uganda | Eastern Africa | 41.9 % | 18,549,000 |
| Canada | North America | 39.0 % | 14,660,000 |
| Ecuador | South America | 74.0 % | 12,857,000 |
| Chile | South America | 66.7 % | 12,641,000 |
| Kenya | Eastern Africa | 23.3 % | 12,250,000 |
| Angola | Central Africa | 38.0 % | 12,094,000 |
| Dominican Republic | Caribbean | 95.0 % | 10,202,000 |
| Honduras | Central America | 97.0 % | 9,454,000 |
| Bolivia | South America | 76.8 % | 8,842,000 |
| Mozambique | Eastern Africa | 28.4 % | 8,624,000 |
| Belgium | Western Europe | 75.0 % | 8,613,000 |
| Portugal | Southern Europe | 81.0 % | 8,318,000 |
| Indonesia | Southeast Asia | 2.9 % | 7,848,000 |
| Guatemala | Central America | 47.0 % | 7,804,000 |
| Cuba | Caribbean | 65.0 % | 7,367,000 |
| Burundi | Eastern Africa | 62.1 % | 7,160,000 |
| Vietnam | Southeast Asia | 6.8 % | 6,559,000 |
| Austria | Western Europe | 73.8 % | 6,551,000 |
| Australia | Australia/New Zealand | 25.3 % | 6,417,000 |
| Ukraine | Eastern Europe | 14.4 % | 6,391,000 |
| Paraguay | South America | 89.6 % | 6,312,000 |
| Rwanda | Eastern Africa | 49.5 % | 6,250,000 |
| Haiti | Caribbean | 54.7 % | 6,161,000 |
| China | East Asia | 0.4 % | 5,591,000 |
| Netherlands | Western Europe | 28.0 % | 4,853,000 |
| Ireland | British Isles | 84.7 % | 4,185,000 |
| South Africa | Southern Africa | 7.1 % | 4,158,000 |
| Ghana | Western Africa | 13.1 % | 3,985,000 |
| South Korea | East Asia | 7.6 % | 3,930,000 |
| Burkina Faso | Western Africa | 19.0 % | 3,861,000 |
| Costa Rica | Central America | 76.3 % | 3,851,000 |
| Nicaragua | Central America | 58.5 % | 3,829,000 |
| Hungary | Eastern Europe | 39.0 % | 3,810,000 |
| El Salvador | Central America | 57.1 % | 3,685,000 |
| Panama | Central America | 85.0 % | 3,609,000 |
| Zambia | Eastern Africa | 20.2 % | 3,608,000 |
| Slovakia | Eastern Europe | 65.8 % | 3,589,000 |
| Croatia | Southern Europe | 86.3 % | 3,510,000 |
| Switzerland | Western Europe | 38.2 % | 3,276,000 |
| Chad | Central Africa | 20.1 % | 3,205,000 |
| Benin | Western Africa | 27.1 % | 3,198,000 |
| Puerto Rico | Caribbean | 85.0 % | 2,715,000 |
| Papua New Guinea | Melanesia | 27.0 % | 2,370,000 |
| Lithuania | Northern Europe | 77.2 % | 2,151,000 |
| Republic of the Congo | Central Africa | 33.1 % | 1,781,000 |
| Uruguay | South America | 47.1 % | 1,630,000 |
| Gabon | Central Africa | 75.0 % | 1,629,000 |
| Sri Lanka | South Asia | 6.1 % | 1,330,000 |
| East Timor | Southeast Asia | 96.9 % | 1,253,000 |
| Zimbabwe | Eastern Africa | 8.4 % | 1,230,000 |
| Slovenia | Southern Europe | 57.8 % | 1,207,000 |
| Central African Republic | Central Africa | 25.0 % | 1,186,000 |
| Czechia | Eastern Europe | 10.4 % | 1,110,000 |
| Romania | Eastern Europe | 4.3 % | 832,000 |
| Senegal | Western Africa | 5.0 % | 815,000 |
| Ethiopia | Eastern Africa | 0.7 % | 785,000 |
| New Zealand | Australia/New Zealand | 11.6 % | 570,000 |
| Burma | Southeast Asia | 1.0 % | 540,000 |
| Luxembourg | Western Europe | 87.0 % | 539,000 |
| Bosnia and Herzegovina | Southern Europe | 15.2 % | 502,000 |
| Malta | Southern Europe | 90.0 % | 452,000 |
| Russia | Eastern Europe | 0.3 % | 433,000 |
| Cape Verde | Western Africa | 77.3 % | 425,000 |
| Singapore | Southeast Asia | 7.1 % | 405,000 |
| Hong Kong | East Asia | 5.0 % | 375,000 |
| Serbia | Southern Europe | 5.0 % | 347,000 |
| Lebanon | Western Asia | 5.0 % | 343,000 |
| Mauritius | Eastern Africa | 26.3 % | 333,000 |
| Trinidad and Tobago | Caribbean | 21.6 % | 301,000 |
| Albania | Southern Europe | 10.0 % | 285,000 |
| Swaziland | Southern Africa | 20.0 % | 230,000 |
| Eritrea | Eastern Africa | 5.0 % | 175,000 |
| Denmark | Northern Europe | 3.0 % | 175,000 |
| New Caledonia | Melanesia | 60.0 % | 173,000 |
| Belize | Central America | 40.1 % | 157,000 |
| Guam | Micronesia | 85.0 % | 142,000 |
| Suriname | South America | 22.8 % | 133,000 |
| Solomon Islands | Melanesia | 19.6 % | 131,000 |
| Sao Tome and Principe | Central Africa | 55.7 % | 120,000 |
| Curacao | Caribbean | 72.8 % | 115,000 |
| Saint Lucia | Caribbean | 61.5 % | 112,000 |
| Norway | Northern Europe | 1.8 % | 96,000 |
| Macao | East Asia | 15.0 % | 96,000 |
| French Polynesia | Polynesia | 30.0 % | 84,000 |
| Fiji | Melanesia | 9.1 % | 81,000 |
| Aruba | Caribbean | 75.3 % | 80,000 |
| Seychelles | Eastern Africa | 76.2 % | 74,000 |
| Kiribati | Micronesia | 55.8 % | 66,000 |
| Jamaica | Caribbean | 2.2 % | 65,000 |
| Guyana | South America | 8.1 % | 63,000 |
| Federated States of Micronesia | Micronesia | 54.7 % | 62,000 |
| Bulgaria | Eastern Europe | 0.8 % | 56,000 |
| Grenada | Caribbean | 44.6 % | 50,000 |
| Bahamas | Caribbean | 12.0 % | 47,000 |
| Dominica | Caribbean | 61.4 % | 44,000 |
| Kosovo | Southern Europe | 2.2 % | 39,000 |
| Samoa | Polynesia | 19.4 % | 38,000 |
| Vanuatu | Melanesia | 12.4 % | 37,000 |
| Virgin Islands | Caribbean | 34.0 % | 36,000 |
| Monaco | Western Europe | 90.0 % | 35,000 |
| Cyprus | Western Asia | 2.9 % | 35,000 |
| Georgia | Western Asia | 0.8 % | 30,000 |
| Liechtenstein | Western Europe | 75.9 % | 29,000 |
| Gibraltar | Southern Europe | 78.1 % | 26,000 |
| Montenegro | Southern Europe | 3.4 % | 21,000 |
| Comoros | Eastern Africa | 2.0 % | 17,000 |
| Bonaire, Saint Eustatius and Saba | Caribbean | 68.0 % | 17,000 |
| Tonga | Polynesia | 15.6 % | 16,000 |
| Sint Maarten | Caribbean | 39.0 % | 16,000 |
| Wallis and Futuna | Polynesia | 99.0 % | 16,000 |
| Saint Vincent and the Grenadines | Caribbean | 13.0 % | 14,000 |
| Iceland | Northern Europe | 3.6 % | 13,000 |
| American Samoa | Polynesia | 20.0 % | 11,000 |
| Barbados | Caribbean | 3.8 % | 11,000 |
| Bermuda | North America | 14.5 % | 9,000 |
| Cayman Islands | Caribbean | 14.1 % | 9,000 |
| Palau | Micronesia | 49.4 % | 9,000 |
| Antigua and Barbuda | Caribbean | 8.2 % | 8,000 |
| Saint Pierre and Miquelon | North America | 99.0 % | 5,000 |
| Marshall Islands | Micronesia | 8.4 % | 5,000 |
| Turks and Caicos Islands | Caribbean | 11.4 % | 4,000 |
| Nauru | Micronesia | 33.0 % | 4,000 |
| British Virgin Islands | Caribbean | 9.5 % | 3,000 |
| Cook Islands | Polynesia | 17.0 % | 1,000 |
| Anguilla | Caribbean | 5.7 % | 1,000 |
| Holy See (Vatican City) | Southern Europe | 100.0 % | 1,000 |
| Montserrat | Caribbean | 11.6 % | 600 |
| Tokelau | Polynesia | 36.6 % | 600 |
| Norfolk Island | Australia/New Zealand | 11.7 % | 200 |
| Niue | Polynesia | 10.0 % | 200 |
| Åland Islands | Northern Europe | 0.3 % | 100 |