Christian majorities run through the Americas, Europe and southern Africa; Muslim majorities from Senegal to Indonesia; Hindu majorities only in India and Nepal
Source. Pew Research Center, Religious Composition by Country, 2010–2020, percentages; 201 countries and territories. Country shapes: Natural Earth.
Method and data
Method. Places too small to show at this scale are omitted; outlined places have no estimate.
| Country | M49 code | Region | Population, 2020 | Christians (%) | Muslims (%) | Religiously unaffiliated (%) | Hindus (%) | Buddhists (%) | Jews (%) | Other religions (%) | Majority |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Afghanistan | 004 | Asia-Pacific | 39,068,979 | 0 | 99.9 | 0 | 0 | 0 | 0 | 0.1 | Muslims |
| Albania | 008 | Europe | 2,871,953 | 17.8 | 74.5 | 7.7 | 0 | 0 | 0 | 0 | Muslims |
| Algeria | 012 | Middle East-North Africa | 44,042,091 | 0.3 | 98.4 | 1.3 | 0 | 0 | 0 | 0 | Muslims |
| Angola | 024 | Sub-Saharan Africa | 33,451,132 | 93 | 0.3 | 6.1 | 0 | 0 | 0 | 0.6 | Christians |
| Argentina | 032 | Latin America-Caribbean | 45,191,964 | 88.5 | 0.9 | 9.2 | 0 | 0 | 0.4 | 1 | Christians |
| Armenia | 051 | Asia-Pacific | 2,890,892 | 97.3 | 0.3 | 1.2 | 0 | 0 | 0 | 1.2 | Christians |
| Aruba | 533 | Latin America-Caribbean | 107,400 | 81.4 | 0.3 | 5.9 | 0.3 | 0.5 | 0.4 | 11.2 | Christians |
| Australia | 036 | Asia-Pacific | 25,743,791 | 46.8 | 3.5 | 42.3 | 3 | 2.6 | 0.4 | 1.4 | No majority |
| Austria | 040 | Europe | 8,921,405 | 68.2 | 8.3 | 22.4 | 0.1 | 0.3 | 0.1 | 0.6 | Christians |
| Azerbaijan | 031 | Asia-Pacific | 10,181,730 | 0.4 | 94.7 | 4.8 | 0 | 0 | 0.1 | 0 | Muslims |
| Bahamas | 044 | Latin America-Caribbean | 395,862 | 97.6 | 0.1 | 1.9 | 0.1 | 0 | 0 | 0.3 | Christians |
| Bahrain | 048 | Middle East-North Africa | 1,483,077 | 13.7 | 74 | 0.3 | 11.2 | 0.2 | 0 | 0.6 | Muslims |
| Bangladesh | 050 | Asia-Pacific | 166,298,024 | 0.3 | 91.1 | 0 | 7.9 | 0.6 | 0 | 0.1 | Muslims |
| Barbados | 052 | Latin America-Caribbean | 281,698 | 77.3 | 0.7 | 20.1 | 0.5 | 0.1 | 0 | 1.2 | Christians |
| Belarus | 112 | Europe | 9,350,944 | 85.1 | 0.3 | 13.8 | 0 | 0 | 0.1 | 0.7 | Christians |
| Belgium | 056 | Europe | 11,540,107 | 51 | 6.8 | 39 | 0.2 | 0.2 | 0.3 | 2.6 | Christians |
| Belize | 084 | Latin America-Caribbean | 390,811 | 74.4 | 0.2 | 15.6 | 0.2 | 0.3 | 0.2 | 9.2 | Christians |
| Benin | 204 | Sub-Saharan Africa | 13,070,169 | 53.2 | 31.4 | 4.9 | 0 | 0 | 0 | 10.5 | Christians |
| Bhutan | 064 | Asia-Pacific | 770,006 | 0.6 | 0.2 | 0 | 22.5 | 74.7 | 0 | 1.9 | Buddhists |
| Bolivia | 068 | Latin America-Caribbean | 11,816,299 | 88.9 | 0 | 9.5 | 0 | 0 | 0 | 1.5 | Christians |
| Bosnia-Herzegovina | 070 | Europe | 3,299,349 | 44.7 | 53.6 | 1 | 0 | 0 | 0 | 0.6 | Muslims |
| Botswana | 072 | Sub-Saharan Africa | 2,365,893 | 82.3 | 0.3 | 14.7 | 0.1 | 0.2 | 0 | 2.3 | Christians |
| Brazil | 076 | Latin America-Caribbean | 208,660,842 | 80.7 | 0 | 13.5 | 0 | 0.1 | 0 | 5.7 | Christians |
| Brunei | 096 | Asia-Pacific | 447,403 | 6.7 | 82.2 | 0.2 | 1.3 | 6.3 | 0 | 3.4 | Muslims |
| Bulgaria | 100 | Europe | 6,933,652 | 79.5 | 10.3 | 10 | 0 | 0 | 0 | 0.1 | Christians |
| Burkina Faso | 854 | Sub-Saharan Africa | 21,478,689 | 28 | 67.4 | 0.6 | 0 | 0 | 0 | 4 | Muslims |
| Burundi | 108 | Sub-Saharan Africa | 12,617,036 | 95 | 3 | 1.3 | 0 | 0 | 0 | 0.8 | Christians |
| Cambodia | 116 | Asia-Pacific | 16,725,473 | 0.3 | 2 | 0.1 | 0 | 97.1 | 0 | 0.5 | Buddhists |
| Cameroon | 120 | Sub-Saharan Africa | 26,210,558 | 69.8 | 25.2 | 2.1 | 0 | 0 | 0 | 2.9 | Christians |
| Canada | 124 | North America | 38,171,902 | 53.3 | 4.9 | 34.6 | 1.5 | 1.7 | 0.9 | 3 | Christians |
| Cape Verde | 132 | Sub-Saharan Africa | 514,679 | 78.3 | 0.3 | 20.6 | 0 | 0 | 0 | 0.8 | Christians |
| Central African Republic | 140 | Sub-Saharan Africa | 5,026,628 | 90.7 | 6.2 | 0.5 | 0 | 0 | 0 | 2.6 | Christians |
| Chad | 148 | Sub-Saharan Africa | 17,224,679 | 38.9 | 56.4 | 3.1 | 0 | 0 | 0 | 1.6 | Muslims |
| Channel Islands | 830 | Europe | 166,235 | 85.2 | 0.1 | 14.2 | 0.1 | 0 | 0.1 | 0.3 | Christians |
| Chile | 152 | Latin America-Caribbean | 19,370,624 | 68.3 | 0.1 | 30.3 | 0 | 0 | 0.1 | 1.2 | Christians |
| China | 156 | Asia-Pacific | 1,426,106,093 | 1.8 | 1.8 | 89.6 | 0 | 3.7 | 0 | 3 | Religiously unaffiliated |
| Colombia | 170 | Latin America-Caribbean | 50,629,997 | 86.2 | 0 | 9.9 | 0 | 0 | 0 | 3.8 | Christians |
| Comoros | 174 | Sub-Saharan Africa | 802,163 | 0.5 | 98.3 | 0.1 | 0 | 0 | 0 | 1.1 | Muslims |
| Costa Rica | 188 | Latin America-Caribbean | 5,034,320 | 87.9 | 0 | 10.1 | 0 | 0 | 0.1 | 1.9 | Christians |
| Croatia | 191 | Europe | 3,953,958 | 90.9 | 1.4 | 6.7 | 0 | 0 | 0 | 1.1 | Christians |
| Cuba | 192 | Latin America-Caribbean | 11,176,354 | 60.7 | 0.1 | 21.6 | 0.2 | 0 | 0 | 17.4 | Christians |
| Curacao | 531 | Latin America-Caribbean | 185,018 | 90.6 | 0.5 | 5.9 | 2 | 0.3 | 0.2 | 0.4 | Christians |
| Cyprus | 196 | Asia-Pacific | 1,302,247 | 67.7 | 24.4 | 6.6 | 0.3 | 0.6 | 0 | 0.5 | Christians |
| Czech Republic | 203 | Europe | 10,550,129 | 26.4 | 0.3 | 72.8 | 0 | 0.1 | 0 | 0.3 | Religiously unaffiliated |
| Democratic Republic of the Congo | 180 | Sub-Saharan Africa | 95,989,998 | 96.3 | 1.3 | 1.2 | 0 | 0 | 0 | 1.3 | Christians |
| Denmark | 208 | Europe | 5,831,530 | 76.9 | 4.2 | 16.6 | 0.4 | 0.7 | 0.1 | 1 | Christians |
| Djibouti | 262 | Sub-Saharan Africa | 1,105,188 | 1.1 | 97.7 | 1.1 | 0 | 0 | 0 | 0.1 | Muslims |
| Dominican Republic | 214 | Latin America-Caribbean | 11,008,300 | 77.6 | 0 | 19.6 | 0 | 0 | 0 | 2.7 | Christians |
| Ecuador | 218 | Latin America-Caribbean | 17,546,064 | 88.5 | 0 | 8.4 | 0 | 0 | 0 | 3 | Christians |
| Egypt | 818 | Middle East-North Africa | 109,315,123 | 4.8 | 95.2 | 0 | 0 | 0 | 0 | 0 | Muslims |
| El Salvador | 222 | Latin America-Caribbean | 6,234,673 | 87.1 | 0 | 11.9 | 0 | 0 | 0 | 1 | Christians |
| Equatorial Guinea | 226 | Sub-Saharan Africa | 1,716,468 | 88.7 | 4 | 5 | 0 | 0 | 0.1 | 2.1 | Christians |
| Eritrea | 232 | Sub-Saharan Africa | 3,291,270 | 46.7 | 51.7 | 1.1 | 0 | 0 | 0 | 0.6 | Muslims |
| Estonia | 233 | Europe | 1,329,669 | 52.6 | 0.6 | 43.6 | 0.1 | 0.2 | 0.1 | 2.8 | Christians |
| Eswatini | 748 | Sub-Saharan Africa | 1,192,729 | 93.2 | 0.1 | 6.2 | 0.1 | 0 | 0 | 0.3 | Christians |
| Ethiopia | 231 | Sub-Saharan Africa | 118,917,671 | 61.6 | 36.2 | 0.1 | 0 | 0 | 0 | 2.1 | Christians |
| Federated States of Micronesia | 583 | Asia-Pacific | 110,916 | 98.8 | 0 | 0.7 | 0 | 0.1 | 0 | 0.4 | Christians |
| Fiji | 242 | Asia-Pacific | 914,963 | 69.5 | 5.8 | 0.3 | 24.1 | 0.1 | 0 | 0.3 | Christians |
| Finland | 246 | Europe | 5,529,612 | 72.3 | 1.6 | 25 | 0.1 | 0.3 | 0.1 | 0.5 | Christians |
| France | 250 | Europe | 65,905,277 | 46.5 | 9.1 | 42.6 | 0.1 | 0.7 | 0.7 | 0.3 | No majority |
| French Guiana | 254 | Latin America-Caribbean | 289,055 | 84.2 | 0.9 | 3.4 | 1.6 | 0.6 | 0 | 9.2 | Christians |
| French Polynesia | 258 | Asia-Pacific | 279,209 | 93.4 | 0.3 | 5 | 0.1 | 0.1 | 0.1 | 1 | Christians |
| Gabon | 266 | Sub-Saharan Africa | 2,322,539 | 83.7 | 8.6 | 5.8 | 0 | 0 | 0 | 1.9 | Christians |
| Gambia | 270 | Sub-Saharan Africa | 2,515,733 | 2.9 | 97 | 0 | 0.1 | 0 | 0 | 0 | Muslims |
| Georgia | 268 | Europe | 3,795,678 | 88.2 | 10.5 | 1 | 0 | 0 | 0 | 0.3 | Christians |
| Germany | 276 | Europe | 83,628,708 | 56.2 | 6.5 | 36.1 | 0.2 | 0.3 | 0.1 | 0.4 | Christians |
| Ghana | 288 | Sub-Saharan Africa | 31,887,809 | 71.3 | 19.9 | 1.1 | 0 | 0 | 0 | 7.8 | Christians |
| Greece | 300 | Europe | 10,699,369 | 89.5 | 5.1 | 4.7 | 0.1 | 0 | 0 | 0.5 | Christians |
| Grenada | 308 | Latin America-Caribbean | 116,341 | 87.5 | 0.4 | 5.8 | 0.2 | 0 | 0 | 6.2 | Christians |
| Guadeloupe | 312 | Latin America-Caribbean | 407,394 | 95.9 | 0.4 | 2.5 | 0.5 | 0.2 | 0.4 | 0.2 | Christians |
| Guam | 316 | Asia-Pacific | 162,158 | 94 | 0 | 1.8 | 0 | 1.1 | 0 | 3.1 | Christians |
| Guatemala | 320 | Latin America-Caribbean | 17,357,325 | 92 | 0 | 6 | 0 | 0 | 0 | 2 | Christians |
| Guinea | 324 | Sub-Saharan Africa | 13,371,183 | 11.7 | 86.8 | 1.3 | 0 | 0.1 | 0 | 0.1 | Muslims |
| Guinea-Bissau | 624 | Sub-Saharan Africa | 2,013,255 | 21.7 | 56 | 11.6 | 0 | 0 | 0 | 10.7 | Muslims |
| Guyana | 328 | Latin America-Caribbean | 807,481 | 65.9 | 6.5 | 2.9 | 23.4 | 0 | 0 | 1.2 | Christians |
| Haiti | 332 | Latin America-Caribbean | 11,243,848 | 88.7 | 0 | 9.4 | 0 | 0 | 0 | 1.8 | Christians |
| Honduras | 340 | Latin America-Caribbean | 10,119,640 | 88.5 | 0 | 9.7 | 0 | 0 | 0 | 1.8 | Christians |
| Hong Kong | 344 | Asia-Pacific | 7,490,235 | 18.7 | 0.3 | 71.4 | 0.3 | 8.4 | 0 | 0.9 | Religiously unaffiliated |
| Hungary | 348 | Europe | 9,749,456 | 72.4 | 0.1 | 27 | 0.1 | 0.2 | 0.1 | 0.1 | Christians |
| Iceland | 352 | Europe | 366,614 | 74.9 | 1.2 | 19.8 | 0.2 | 1.3 | 0.2 | 2.4 | Christians |
| India | 356 | Asia-Pacific | 1,402,617,696 | 2.2 | 15.2 | 0 | 79.4 | 0.7 | 0 | 2.5 | Hindus |
| Indonesia | 360 | Asia-Pacific | 274,814,865 | 10.3 | 87 | 0.1 | 1.6 | 0.7 | 0 | 0.4 | Muslims |
| Iran | 364 | Asia-Pacific | 87,723,443 | 0.1 | 99.8 | 0 | 0 | 0 | 0 | 0.1 | Muslims |
| Iraq | 368 | Middle East-North Africa | 42,116,604 | 0.4 | 99.5 | 0 | 0 | 0 | 0 | 0.1 | Muslims |
| Ireland | 372 | Europe | 4,982,606 | 81.2 | 1.7 | 15.6 | 0.7 | 0.2 | 0.1 | 0.5 | Christians |
| Israel | 376 | Middle East-North Africa | 8,800,376 | 1.9 | 14.7 | 4.4 | 0.2 | 0 | 77 | 1.8 | Jews |
| Italy | 380 | Europe | 59,912,769 | 80.5 | 4.4 | 13.3 | 0.4 | 0.6 | 0.1 | 0.7 | Christians |
| Ivory Coast | 384 | Sub-Saharan Africa | 28,915,449 | 44.9 | 46.3 | 5.6 | 0 | 0 | 0 | 3.2 | No majority |
| Jamaica | 388 | Latin America-Caribbean | 2,830,739 | 68.6 | 0 | 23.7 | 0 | 0 | 0 | 7.6 | Christians |
| Japan | 392 | Asia-Pacific | 126,304,543 | 2.2 | 0.2 | 57.5 | 0 | 37.2 | 0 | 2.9 | Religiously unaffiliated |
| Jordan | 400 | Middle East-North Africa | 10,865,227 | 2.8 | 97.1 | 0 | 0 | 0 | 0 | 0 | Muslims |
| Kazakhstan | 398 | Asia-Pacific | 19,482,117 | 19.3 | 77.9 | 2.5 | 0 | 0.1 | 0 | 0.1 | Muslims |
| Kenya | 404 | Sub-Saharan Africa | 52,217,333 | 85.7 | 10.9 | 1.6 | 0.1 | 0 | 0 | 1.7 | Christians |
| Kiribati | 296 | Asia-Pacific | 126,099 | 97.6 | 0.1 | 0.1 | 0 | 0 | 0 | 2.2 | Christians |
| Kosovo | 412 | Europe | 1,751,417 | 5.6 | 94.3 | 0.1 | 0 | 0 | 0 | 0 | Muslims |
| Kuwait | 414 | Middle East-North Africa | 4,400,144 | 10.5 | 80.2 | 0.2 | 8.5 | 0.1 | 0 | 0.3 | Muslims |
| Kyrgyzstan | 417 | Asia-Pacific | 6,664,139 | 5.8 | 91.7 | 1.2 | 0 | 0 | 0 | 1.3 | Muslims |
| Laos | 418 | Asia-Pacific | 7,346,532 | 1.5 | 0 | 0.1 | 0 | 64.2 | 0 | 34.2 | Buddhists |
| Latvia | 428 | Europe | 1,901,123 | 77.3 | 0.7 | 17 | 0 | 0.1 | 0.2 | 4.7 | Christians |
| Lebanon | 422 | Middle East-North Africa | 5,702,397 | 27.9 | 67.8 | 0 | 0 | 0 | 0 | 4.3 | Muslims |
| Lesotho | 426 | Sub-Saharan Africa | 2,235,726 | 97.3 | 0.2 | 1.7 | 0 | 0 | 0 | 0.7 | Christians |
| Liberia | 430 | Sub-Saharan Africa | 5,149,463 | 85.2 | 12.7 | 1.1 | 0 | 0 | 0 | 1 | Christians |
| Libya | 434 | Middle East-North Africa | 7,045,399 | 0.5 | 99 | 0 | 0.1 | 0.3 | 0 | 0.1 | Muslims |
| Lithuania | 440 | Europe | 2,795,764 | 92.2 | 0.1 | 7.1 | 0 | 0 | 0 | 0.6 | Christians |
| Luxembourg | 442 | Europe | 630,597 | 65.9 | 1.8 | 25.3 | 0.4 | 0.5 | 0.5 | 5.7 | Christians |
| Macao | 446 | Asia-Pacific | 683,066 | 10.1 | 0.5 | 67.6 | 0 | 19.6 | 0 | 2.2 | Religiously unaffiliated |
| Madagascar | 450 | Sub-Saharan Africa | 28,953,556 | 74.2 | 1.2 | 22.3 | 0.1 | 0 | 0 | 2.2 | Christians |
| Malawi | 454 | Sub-Saharan Africa | 19,533,887 | 87.4 | 11.6 | 0.9 | 0.1 | 0 | 0 | 0.1 | Christians |
| Malaysia | 458 | Asia-Pacific | 33,889,558 | 9.2 | 64.1 | 0.8 | 6.1 | 18.9 | 0 | 0.9 | Muslims |
| Maldives | 462 | Asia-Pacific | 502,118 | 1.6 | 94.1 | 0.1 | 2.5 | 1.3 | 0 | 0.3 | Muslims |
| Mali | 466 | Sub-Saharan Africa | 21,713,835 | 2.6 | 94.1 | 2.5 | 0 | 0 | 0 | 0.8 | Muslims |
| Malta | 470 | Europe | 518,206 | 88.6 | 3.6 | 5.2 | 1.4 | 0.6 | 0.3 | 0.2 | Christians |
| Martinique | 474 | Latin America-Caribbean | 356,614 | 96 | 0.2 | 2.7 | 0.2 | 0 | 0 | 0.7 | Christians |
| Mauritania | 478 | Sub-Saharan Africa | 4,600,131 | 0.2 | 99.2 | 0.1 | 0 | 0 | 0 | 0.5 | Muslims |
| Mauritius | 480 | Sub-Saharan Africa | 1,283,223 | 32.9 | 17.5 | 0.8 | 48.3 | 0.4 | 0 | 0.2 | No majority |
| Mayotte | 175 | Sub-Saharan Africa | 284,370 | 0.5 | 98.8 | 0.2 | 0 | 0 | 0 | 0.5 | Muslims |
| Mexico | 484 | Latin America-Caribbean | 126,799,054 | 89.2 | 0 | 10.6 | 0 | 0 | 0 | 0.1 | Christians |
| Moldova | 498 | Europe | 3,069,131 | 99.5 | 0.2 | 0.2 | 0 | 0 | 0 | 0 | Christians |
| Mongolia | 496 | Asia-Pacific | 3,290,785 | 1.3 | 3.5 | 40.8 | 0 | 51.1 | 0 | 3.2 | Buddhists |
| Montenegro | 499 | Europe | 607,935 | 76 | 21.3 | 1.1 | 0 | 0 | 0 | 1.5 | Christians |
| Morocco | 504 | Middle East-North Africa | 36,584,208 | 0.1 | 99.7 | 0.1 | 0 | 0 | 0 | 0.1 | Muslims |
| Mozambique | 508 | Sub-Saharan Africa | 30,783,688 | 61.3 | 19.4 | 14.3 | 0 | 0 | 0 | 4.9 | Christians |
| Myanmar | 104 | Asia-Pacific | 53,016,521 | 6.1 | 3.3 | 0.1 | 0.4 | 89.1 | 0 | 1 | Buddhists |
| Namibia | 516 | Sub-Saharan Africa | 2,728,761 | 90.5 | 0.1 | 5.6 | 0.1 | 0 | 0 | 3.6 | Christians |
| Nepal | 524 | Asia-Pacific | 28,966,574 | 1.8 | 5.1 | 0 | 81.2 | 8.2 | 0 | 3.8 | Hindus |
| Netherlands | 528 | Europe | 17,636,731 | 35.1 | 5.5 | 54.1 | 0.6 | 0.3 | 0.2 | 4.2 | Religiously unaffiliated |
| New Caledonia | 540 | Asia-Pacific | 284,176 | 85.1 | 2.8 | 10.5 | 0 | 0.6 | 0 | 1 | Christians |
| New Zealand | 554 | Asia-Pacific | 5,069,895 | 40.3 | 1.4 | 51.4 | 2.8 | 1.2 | 0.1 | 2.9 | Religiously unaffiliated |
| Nicaragua | 558 | Latin America-Caribbean | 6,565,267 | 84.8 | 0 | 13.3 | 0 | 0 | 0 | 1.9 | Christians |
| Niger | 562 | Sub-Saharan Africa | 23,717,613 | 0.6 | 98.1 | 1.2 | 0 | 0 | 0 | 0.1 | Muslims |
| Nigeria | 566 | Sub-Saharan Africa | 213,996,181 | 43.4 | 56.1 | 0.4 | 0 | 0 | 0 | 0.2 | Muslims |
| North Korea | 408 | Asia-Pacific | 26,136,312 | 0.4 | 0 | 72.9 | 0 | 1.5 | 0 | 25.2 | Religiously unaffiliated |
| North Macedonia | 807 | Europe | 1,872,015 | 64.7 | 34.7 | 0.5 | 0 | 0 | 0 | 0.1 | Christians |
| Norway | 578 | Europe | 5,379,273 | 71.4 | 4.1 | 22.5 | 0.2 | 0.7 | 0.1 | 1 | Christians |
| Oman | 512 | Middle East-North Africa | 4,522,496 | 8.1 | 81.8 | 0.1 | 9.5 | 0.1 | 0 | 0.4 | Muslims |
| Pakistan | 586 | Asia-Pacific | 235,001,746 | 1.3 | 96.5 | 0 | 2.1 | 0 | 0 | 0 | Muslims |
| Palestinian territories | 275 | Middle East-North Africa | 5,069,692 | 1 | 99 | 0 | 0 | 0 | 0 | 0 | Muslims |
| Panama | 591 | Latin America-Caribbean | 4,293,261 | 91.2 | 0.1 | 6.2 | 0.1 | 0.2 | 0.2 | 2.1 | Christians |
| Papua New Guinea | 598 | Asia-Pacific | 9,815,745 | 99.1 | 0.1 | 0.3 | 0 | 0 | 0 | 0.5 | Christians |
| Paraguay | 600 | Latin America-Caribbean | 6,603,739 | 93.5 | 0 | 4.2 | 0 | 0 | 0 | 2.2 | Christians |
| Peru | 604 | Latin America-Caribbean | 32,838,579 | 94.5 | 0 | 5.1 | 0 | 0 | 0 | 0.3 | Christians |
| Philippines | 608 | Asia-Pacific | 112,081,264 | 91.5 | 6.5 | 0 | 0 | 0 | 0 | 2 | Christians |
| Poland | 616 | Europe | 38,171,012 | 91.2 | 0 | 8.6 | 0 | 0 | 0 | 0.1 | Christians |
| Portugal | 620 | Europe | 10,370,519 | 85.1 | 0.4 | 13.8 | 0.2 | 0.2 | 0 | 0.3 | Christians |
| Puerto Rico | 630 | Latin America-Caribbean | 3,275,805 | 88.8 | 0.1 | 10.4 | 0.1 | 0.2 | 0 | 0.3 | Christians |
| Qatar | 634 | Middle East-North Africa | 2,803,375 | 12.5 | 75.9 | 0.3 | 10.6 | 0.2 | 0 | 0.4 | Muslims |
| Republic of the Congo | 178 | Sub-Saharan Africa | 5,752,790 | 92.2 | 1.5 | 5.2 | 0 | 0 | 0 | 1.1 | Christians |
| Reunion | 638 | Sub-Saharan Africa | 861,446 | 87.5 | 4.2 | 2.1 | 4.5 | 0.2 | 0.1 | 1.4 | Christians |
| Romania | 642 | Europe | 19,392,469 | 98.5 | 0.4 | 0.9 | 0 | 0 | 0 | 0.1 | Christians |
| Russia | 643 | Europe | 146,371,298 | 69.9 | 8.2 | 20.2 | 0.1 | 0.4 | 0.1 | 1.2 | Christians |
| Rwanda | 646 | Sub-Saharan Africa | 13,065,837 | 97 | 1.8 | 1 | 0 | 0 | 0 | 0.1 | Christians |
| Samoa | 882 | Asia-Pacific | 211,944 | 97.6 | 0 | 0.1 | 0 | 0 | 0 | 2.2 | Christians |
| Sao Tome and Principe | 678 | Sub-Saharan Africa | 217,434 | 84.4 | 0.1 | 9.7 | 0 | 0 | 0 | 5.8 | Christians |
| Saudi Arabia | 682 | Middle East-North Africa | 30,991,207 | 4.4 | 92.7 | 0.1 | 2.6 | 0.1 | 0 | 0.1 | Muslims |
| Senegal | 686 | Sub-Saharan Africa | 16,789,219 | 2.4 | 97.6 | 0 | 0 | 0 | 0 | 0 | Muslims |
| Serbia | 688 | Europe | 6,907,812 | 91.5 | 4.4 | 4 | 0 | 0 | 0 | 0 | Christians |
| Seychelles | 690 | Sub-Saharan Africa | 120,291 | 94 | 0.9 | 2.4 | 1.4 | 0.8 | 0 | 0.6 | Christians |
| Sierra Leone | 694 | Sub-Saharan Africa | 7,912,558 | 19.8 | 80.1 | 0 | 0 | 0 | 0 | 0 | Muslims |
| Singapore | 702 | Asia-Pacific | 5,620,150 | 18.8 | 16.1 | 19.9 | 5.3 | 30.8 | 0 | 9.1 | No majority |
| Slovakia | 703 | Europe | 5,455,023 | 73.7 | 0.1 | 25.3 | 0 | 0.1 | 0 | 0.7 | Christians |
| Slovenia | 705 | Europe | 2,102,419 | 65.4 | 1.6 | 32.3 | 0 | 0 | 0 | 0.6 | Christians |
| Solomon Islands | 090 | Asia-Pacific | 744,498 | 95 | 0.3 | 0.3 | 0 | 0.3 | 0 | 4 | Christians |
| Somalia | 706 | Sub-Saharan Africa | 16,651,190 | 0 | 99.8 | 0 | 0 | 0 | 0 | 0.1 | Muslims |
| South Africa | 710 | Sub-Saharan Africa | 60,562,381 | 85.3 | 1.6 | 3.1 | 1.1 | 0 | 0.1 | 8.9 | Christians |
| South Korea | 410 | Asia-Pacific | 51,858,481 | 32 | 0.3 | 48.3 | 0.1 | 19 | 0 | 0.3 | No majority |
| South Sudan | 728 | Sub-Saharan Africa | 10,698,467 | 60.5 | 6.2 | 0.4 | 0 | 0 | 0 | 32.8 | Christians |
| Spain | 724 | Europe | 47,679,489 | 69.5 | 3.6 | 26.4 | 0.1 | 0 | 0 | 0.4 | Christians |
| Sri Lanka | 144 | Asia-Pacific | 22,561,807 | 5.6 | 10.2 | 0.1 | 14.5 | 69.6 | 0 | 0 | Buddhists |
| St. Lucia | 662 | Latin America-Caribbean | 178,250 | 91.7 | 0.1 | 5.9 | 0.3 | 0 | 0 | 2 | Christians |
| St. Vincent and the Grenadines | 670 | Latin America-Caribbean | 103,526 | 86.3 | 0.1 | 7.9 | 0.1 | 0 | 0 | 5.6 | Christians |
| Sudan | 729 | Middle East-North Africa | 46,789,231 | 0.5 | 98.9 | 0.6 | 0 | 0 | 0 | 0.1 | Muslims |
| Suriname | 740 | Latin America-Caribbean | 612,316 | 52.8 | 13.1 | 8.1 | 22.5 | 0.4 | 0 | 3.1 | Christians |
| Sweden | 752 | Europe | 10,353,686 | 60.8 | 8.1 | 28.9 | 0.5 | 0.8 | 0.2 | 0.8 | Christians |
| Switzerland | 756 | Europe | 8,640,581 | 61.6 | 6.1 | 30.8 | 0.5 | 0.6 | 0.2 | 0.2 | Christians |
| Syria | 760 | Middle East-North Africa | 21,049,429 | 3.8 | 94.2 | 2 | 0 | 0 | 0 | 0 | Muslims |
| Taiwan | 158 | Asia-Pacific | 23,663,459 | 5.5 | 0.5 | 23.1 | 0 | 19.2 | 0 | 51.7 | Other religions |
| Tajikistan | 762 | Asia-Pacific | 9,749,310 | 1 | 98.9 | 0.1 | 0 | 0 | 0 | 0 | Muslims |
| Tanzania | 834 | Sub-Saharan Africa | 60,972,797 | 64.7 | 29.9 | 3.5 | 0 | 0 | 0 | 2 | Christians |
| Thailand | 764 | Asia-Pacific | 71,641,483 | 1 | 4.5 | 0 | 0 | 94.4 | 0 | 0 | Buddhists |
| Timor-Leste | 626 | Asia-Pacific | 1,326,053 | 99.5 | 0.3 | 0.1 | 0 | 0 | 0 | 0.1 | Christians |
| Togo | 768 | Sub-Saharan Africa | 8,669,720 | 56.9 | 16.1 | 8 | 0 | 0 | 0 | 19 | Christians |
| Tonga | 776 | Asia-Pacific | 105,703 | 97.8 | 0.1 | 0.6 | 0.1 | 0.1 | 0 | 1.5 | Christians |
| Trinidad and Tobago | 780 | Latin America-Caribbean | 1,481,023 | 70 | 5.5 | 2.4 | 20.6 | 0 | 0 | 1.4 | Christians |
| Tunisia | 788 | Middle East-North Africa | 11,974,057 | 0.2 | 99.3 | 0.4 | 0 | 0 | 0 | 0 | Muslims |
| Turkey | 792 | Asia-Pacific | 86,091,691 | 0.1 | 97.1 | 2.5 | 0 | 0.1 | 0 | 0.1 | Muslims |
| Turkmenistan | 795 | Asia-Pacific | 6,949,912 | 5.6 | 94.3 | 0.1 | 0 | 0 | 0 | 0 | Muslims |
| U.S. Virgin Islands | 850 | Latin America-Caribbean | 87,706 | 94.5 | 0.1 | 4 | 0.4 | 0 | 0.3 | 0.6 | Christians |
| Uganda | 800 | Sub-Saharan Africa | 44,457,152 | 87.7 | 11.4 | 0.1 | 0 | 0 | 0 | 0.7 | Christians |
| Ukraine | 804 | Europe | 44,680,014 | 83.4 | 0.6 | 15.1 | 0 | 0.3 | 0.1 | 0.4 | Christians |
| United Arab Emirates | 784 | Middle East-North Africa | 9,448,524 | 14.3 | 72.9 | 0.3 | 11.8 | 0.2 | 0 | 0.5 | Muslims |
| United Kingdom | 826 | Europe | 67,351,861 | 49.4 | 6.4 | 40.2 | 1.7 | 0.5 | 0.4 | 1.4 | No majority |
| United States | 840 | North America | 339,436,158 | 64 | 1.2 | 29.7 | 0.9 | 1.3 | 1.7 | 1.2 | Christians |
| Uruguay | 858 | Latin America-Caribbean | 3,398,968 | 44.5 | 0.1 | 52.4 | 0 | 0 | 0.5 | 2.5 | Religiously unaffiliated |
| Uzbekistan | 860 | Asia-Pacific | 33,586,372 | 2.8 | 95.6 | 0.6 | 0 | 0 | 0 | 1 | Muslims |
| Vanuatu | 548 | Asia-Pacific | 298,858 | 83.5 | 0 | 1.4 | 0 | 0 | 0 | 15.1 | Christians |
| Venezuela | 862 | Latin America-Caribbean | 28,444,077 | 88.1 | 0 | 9.7 | 0 | 0 | 0 | 2.1 | Christians |
| Vietnam | 704 | Asia-Pacific | 98,079,191 | 8.3 | 0.1 | 67.7 | 0 | 23 | 0 | 0.9 | Religiously unaffiliated |
| Western Sahara | 732 | Middle East-North Africa | 549,365 | 0.2 | 99.6 | 0.3 | 0 | 0 | 0 | 0 | Muslims |
| Yemen | 887 | Middle East-North Africa | 36,134,863 | 0.1 | 99.9 | 0.1 | 0 | 0 | 0 | 0 | Muslims |
| Zambia | 894 | Sub-Saharan Africa | 19,059,395 | 98.3 | 0.5 | 0.1 | 0 | 0 | 0 | 1.1 | Christians |
| Zimbabwe | 716 | Sub-Saharan Africa | 15,526,888 | 87.2 | 0.5 | 10.5 | 0 | 0 | 0 | 1.7 | Christians |