World religions quiz
What is the largest religion in each of 173 countries of the world? Pick one of four. Figures come from the final CIA World Factbook, and a country is only asked about where one religion is over half the population.
Start the quizPlayed as Review · mixed questions, typed answers · free, no sign-up
How it works
- A few at a time. You see each new religion first, then recall it until it sticks.
- Mistakes become practice. Whatever you miss comes back sooner, mixed with what you already know.
- Keep it for good. Spaced repetition brings everything back just before you would forget it.
Largest religion of the world
| Country | Largest religion |
|---|---|
| Afghanistan | Islam (99.7%), CIA World Factbook, 2009 estimate |
| Albania | Islam (56.7%), CIA World Factbook, 2011 estimate |
| Algeria | Islam (99%), CIA World Factbook, 2012 estimate |
| Angola | Christianity (79.2%), CIA World Factbook, 2014 estimate |
| Antigua and Barbuda | Christianity (76.5%), CIA World Factbook, 2011 estimate |
| Argentina | Christianity (79.6%), CIA World Factbook, 2019 estimate |
| Armenia | Christianity (95.2%), CIA World Factbook, 2022 estimate |
| Austria | Christianity (63.9%), CIA World Factbook, 2021 estimate |
| Azerbaijan | Islam (97.3%), CIA World Factbook, 2020 estimate |
| Bahamas | Christianity (94.9%), CIA World Factbook, 2010 estimate |
| Bahrain | Islam (74.2%), CIA World Factbook, 2020 estimate |
| Bangladesh | Islam (91%), CIA World Factbook, 2022 estimate |
| Barbados | Christianity (75.6%), CIA World Factbook, 2010 estimate |
| Belarus | Christianity (55.4%), CIA World Factbook, 2011 estimate |
| Belize | Christianity (73.3%), CIA World Factbook, 2010 estimate |
| Bhutan | Buddhism (75.3%), CIA World Factbook, 2005 estimate |
| Bolivia | Christianity (84.6%), CIA World Factbook, 2023 estimate |
| Bosnia and Herzegovina | Islam (50.7%), CIA World Factbook, 2013 estimate |
| Botswana | Christianity (79.1%), CIA World Factbook, 2011 estimate |
| Brazil | Christianity (83.7%), CIA World Factbook |
| Brunei | Islam (82.1%), CIA World Factbook, 2021 estimate |
| Bulgaria | Christianity (64.7%), CIA World Factbook, 2021 estimate |
| Burkina Faso | Islam (63.8%), CIA World Factbook, 2019 estimate |
| Burundi | Christianity (93.9%), CIA World Factbook, 2016 estimate |
| Cambodia | Buddhism (97.1%), CIA World Factbook, 2019 estimate |
| Cameroon | Christianity (60.2%), CIA World Factbook, 2022 estimate |
| Canada | Christianity (53.3%), CIA World Factbook, 2021 estimate |
| Cape Verde | Christianity (81.7%), CIA World Factbook, 2021 estimate |
| Central African Republic | Christianity (73.2%), CIA World Factbook, 2020 estimate |
| Chad | Islam (52.1%), CIA World Factbook, 2014 estimate |
| Chile | Christianity (74.5%), CIA World Factbook |
| Colombia | Christianity (81.5%), CIA World Factbook, 2023 estimate |
| Comoros | Islam (98.1%), CIA World Factbook, 2020 estimate |
| Costa Rica | Christianity (69.9%), CIA World Factbook, 2021 estimate |
| Croatia | Christianity (87.4%), CIA World Factbook, 2021 estimate |
| Cuba | Christianity (58.9%), CIA World Factbook, 2020 estimate |
| Cyprus | Christianity (94%), CIA World Factbook, 2011 estimate |
| Denmark | Christianity (71.4%), CIA World Factbook, 2024 estimate |
| Djibouti | Islam (94%), CIA World Factbook |
| Dominica | Christianity (83.7%), CIA World Factbook, 2011 estimate |
| Dominican Republic | Christianity (80.3%), CIA World Factbook, 2023 estimate |
| DR Congo | Christianity (93.1%), CIA World Factbook, 2014 estimate |
| Ecuador | Christianity (88.6%), CIA World Factbook, 2023 estimate |
| Egypt | Islam (90%), CIA World Factbook |
| El Salvador | Christianity (83.5%), CIA World Factbook, 2023 estimate |
| Equatorial Guinea | Christianity (93%), CIA World Factbook, 2015 estimate |
| Estonia | No religion (58.4%), CIA World Factbook, 2021 estimate |
| Eswatini | Christianity (90%), CIA World Factbook, 2015 estimate |
| Ethiopia | Christianity (67.3%), CIA World Factbook, 2016 estimate |
| Fiji | Christianity (64.5%), CIA World Factbook, 2007 estimate |
| Finland | Christianity (67.7%), CIA World Factbook, 2022 estimate |
| Gabon | Christianity (80.2%), CIA World Factbook, 2019 estimate |
| Gambia | Islam (96.4%), CIA World Factbook, 2019 estimate |
| Georgia | Christianity (86.3%), CIA World Factbook, 2014 estimate |
| Ghana | Christianity (71.3%), CIA World Factbook, 2021 estimate |
| Greece | Christianity (85.5%), CIA World Factbook, 2015 estimate |
| Grenada | Christianity (86.4%), CIA World Factbook, 2011 estimate |
| Guatemala | Christianity (88.1%), CIA World Factbook, 2023 estimate |
| Guinea | Islam (85.2%), CIA World Factbook, 2018 estimate |
| Guyana | Christianity (64%), CIA World Factbook, 2012 estimate |
| Haiti | Christianity (84%), CIA World Factbook, 2018 estimate |
| Honduras | Christianity (88.4%), CIA World Factbook, 2023 estimate |
| Iceland | Christianity (58.6%), CIA World Factbook, 2024 estimate |
| India | Hinduism (79.8%), CIA World Factbook, 2011 estimate |
| Indonesia | Islam (87.4%), CIA World Factbook, 2022 estimate |
| Iran | Islam (98.5%), CIA World Factbook, 2020 estimate |
| Iraq | Islam (96.5%), CIA World Factbook, 2015 estimate |
| Ireland | Christianity (75.8%), CIA World Factbook, 2022 estimate |
| Israel | Judaism (73.5%), CIA World Factbook, 2022 estimate |
| Italy | Christianity (80.8%), CIA World Factbook, 2020 estimate |
| Jamaica | Christianity (68.9%), CIA World Factbook, 2011 estimate |
| Jordan | Islam (97.1%), CIA World Factbook, 2020 estimate |
| Kazakhstan | Islam (69.3%), CIA World Factbook, 2021 estimate |
| Kenya | Christianity (85.5%), CIA World Factbook, 2019 estimate |
| Kiribati | Christianity (96.2%), CIA World Factbook, 2020 estimate |
| Kosovo | Islam (95.6%), CIA World Factbook, 2011 estimate |
| Kuwait | Islam (74.6%), CIA World Factbook, 2013 estimate |
| Kyrgyzstan | Islam (90%), CIA World Factbook, 2017 estimate |
| Laos | Buddhism (64.7%), CIA World Factbook, 2015 estimate |
| Latvia | Christianity (76.4%), CIA World Factbook, 2017 estimate |
| Lebanon | Islam (72.3%), CIA World Factbook, 2020 estimate |
| Lesotho | Christianity (97.6%), CIA World Factbook, 2014 estimate |
| Liberia | Christianity (84.9%), CIA World Factbook, 2022 estimate |
| Libya | Islam (96.6%), CIA World Factbook, 2020 estimate |
| Liechtenstein | Christianity (83.2%), CIA World Factbook, 2015 estimate |
| Lithuania | Christianity (78.7%), CIA World Factbook, 2021 estimate |
| Luxembourg | Christianity (70.6%), CIA World Factbook, 2020 estimate |
| Madagascar | Christianity (74.4%), CIA World Factbook, 2021 estimate |
| Malawi | Christianity (77.3%), CIA World Factbook, 2018 estimate |
| Malaysia | Islam (63.5%), CIA World Factbook, 2020 estimate |
| Maldives | Islam, CIA World Factbook |
| Mali | Islam (93.9%), CIA World Factbook, 2018 estimate |
| Malta | Christianity (90%), CIA World Factbook, 2006 estimate |
| Marshall Islands | Christianity (95.6%), CIA World Factbook, 2021 estimate |
| Mauritania | Islam (100%), CIA World Factbook |
| Mexico | Christianity (86.4%), CIA World Factbook, 2020 estimate |
| Micronesia | Christianity (97.3%), CIA World Factbook, 2010 estimate |
| Moldova | Christianity (92.7%), CIA World Factbook, 2014 estimate |
| Monaco | Christianity (90%), CIA World Factbook |
| Mongolia | Buddhism (51.8%), CIA World Factbook, 2020 estimate |
| Montenegro | Christianity (75.5%), CIA World Factbook, 2011 estimate |
| Morocco | Islam (99%), CIA World Factbook, 2020 estimate |
| Mozambique | Christianity (62%), CIA World Factbook, 2017 estimate |
| Myanmar | Buddhism (87.9%), CIA World Factbook, 2014 estimate |
| Namibia | Christianity (97.5%), CIA World Factbook, 2020 estimate |
| Nauru | Christianity (94.3%), CIA World Factbook, 2021 estimate |
| Nepal | Hinduism (81.2%), CIA World Factbook, 2021 estimate |
| Netherlands | No religion (54.1%), CIA World Factbook, 2019 estimate |
| Nicaragua | Christianity (83.6%), CIA World Factbook, 2020 estimate |
| Niger | Islam (95.5%), CIA World Factbook, 2020 estimate |
| Nigeria | Islam (53.5%), CIA World Factbook, 2018 estimate |
| North Macedonia | Christianity (59.3%), CIA World Factbook, 2021 estimate |
| Norway | Christianity (74.4%), CIA World Factbook, 2021 estimate |
| Oman | Islam (85.9%), CIA World Factbook, 2020 estimate |
| Pakistan | Islam (96.4%), CIA World Factbook, 2020 estimate |
| Palau | Christianity (77.8%), CIA World Factbook, 2020 estimate |
| Palestine | Islam (82.5%), CIA World Factbook, 2012 estimate |
| Panama | Christianity (88.4%), CIA World Factbook, 2023 estimate |
| Papua New Guinea | Christianity (97%), CIA World Factbook, 2011 estimate |
| Paraguay | Christianity (87.4%), CIA World Factbook, 2023 estimate |
| Peru | Christianity (91.7%), CIA World Factbook, 2017 estimate |
| Philippines | Christianity (82.7%), CIA World Factbook, 2020 estimate |
| Poland | Christianity (70.7%), CIA World Factbook, 2021 estimate |
| Portugal | Christianity (69.9%), CIA World Factbook, 2021 estimate |
| Qatar | Islam (65.2%), CIA World Factbook, 2020 estimate |
| Republic of the Congo | Christianity (76.8%), CIA World Factbook, 2007 estimate |
| Romania | Christianity (95.3%), CIA World Factbook, 2021 estimate |
| Rwanda | Christianity (92.2%), CIA World Factbook, 2022 estimate |
| Saint Lucia | Christianity (90.4%), CIA World Factbook, 2010 estimate |
| Saint Vincent and the Grenadines | Christianity (82.1%), CIA World Factbook, 2012 estimate |
| Samoa | Christianity (94.2%), CIA World Factbook, 2016 estimate |
| San Marino | Christianity, CIA World Factbook |
| São Tomé and Príncipe | Christianity (63.9%), CIA World Factbook, 2012 estimate |
| Saudi Arabia | Islam, CIA World Factbook, 2020 estimate |
| Senegal | Islam (97.2%), CIA World Factbook, 2019 estimate |
| Serbia | Christianity (85%), CIA World Factbook |
| Seychelles | Christianity (90.2%), CIA World Factbook, 2010 estimate |
| Sierra Leone | Islam (77.1%), CIA World Factbook, 2019 estimate |
| Slovakia | Christianity (66.7%), CIA World Factbook, 2021 estimate |
| Slovenia | Christianity (74%), CIA World Factbook, 2019 estimate |
| Solomon Islands | Christianity (95.9%), CIA World Factbook, 2009 estimate |
| Somalia | Islam (99.9%), CIA World Factbook, 2020 estimate |
| South Africa | Christianity (86%), CIA World Factbook, 2015 estimate |
| South Korea | No religion (60%), CIA World Factbook, 2021 estimate |
| South Sudan | Christianity (60.5%), CIA World Factbook, 2020 estimate |
| Spain | Christianity (58.2%), CIA World Factbook, 2021 estimate |
| Sri Lanka | Buddhism (70.2%), CIA World Factbook, 2012 estimate |
| Sudan | Islam, CIA World Factbook |
| Sweden | Christianity (53.9%), CIA World Factbook, 2021 estimate |
| Switzerland | Christianity (62.6%), CIA World Factbook, 2020 estimate |
| Syria | Islam (90%), CIA World Factbook |
| Tajikistan | Islam (98%), CIA World Factbook, 2014 estimate |
| Tanzania | Christianity (63.1%), CIA World Factbook, 2020 estimate |
| Thailand | Buddhism (92.5%), CIA World Factbook, 2021 estimate |
| Timor-Leste | Christianity (92.6%), CIA World Factbook, 2022 estimate |
| Tonga | Christianity (97.3%), CIA World Factbook, 2021 estimate |
| Trinidad and Tobago | Christianity (55.2%), CIA World Factbook, 2011 estimate |
| Tunisia | Islam (99%), CIA World Factbook |
| Türkiye | Islam (99.8%), CIA World Factbook |
| Turkmenistan | Islam (93%), CIA World Factbook, 2020 estimate |
| Tuvalu | Christianity (94.2%), CIA World Factbook, 2017 estimate |
| Uganda | Christianity (84.4%), CIA World Factbook, 2014 estimate |
| Ukraine | Christianity, CIA World Factbook, 2013 estimate |
| United Arab Emirates | Islam (74.5%), CIA World Factbook, 2020 estimate |
| United Kingdom | Christianity (59.5%), CIA World Factbook, 2011 estimate |
| United States | Christianity (70.6%), CIA World Factbook, 2014 estimate |
| Uzbekistan | Islam (88%), CIA World Factbook |
| Vanuatu | Christianity (56.1%), CIA World Factbook, 2020 estimate |
| Vatican City | Christianity, CIA World Factbook |
| Venezuela | Christianity (81.1%), CIA World Factbook, 2023 estimate |
| Yemen | Islam (99.1%), CIA World Factbook, 2020 estimate |
| Zambia | Christianity (95.5%), CIA World Factbook, 2010 estimate |
| Zimbabwe | Christianity (85.3%), CIA World Factbook, 2022 estimate |
More religion quizzes
- Europe religions quiz
- Asia religions quiz
- Americas religions quiz
- Africa religions quiz
- Oceania religions quiz