| Russia |  | Orthodox Christianity | Russian Orthodox 15-20%, Muslim 10-15%, other Christian 2% (2006 est.) |
| Australia |  | Orthodox Christianity | Catholic 25.8%, Anglican 18.7%, Uniting Church 5.7%, Presbyterian and Reformed 3%, Eastern Orthodox 2.7%, other Christian 7.9%, Buddhist 2.1%, Muslim 1.7%, other 2.4%, unspecified 11.3%, none 18.7% (2006 Census) |
| Kazakhstan |  | Orthodox Christianity | Muslim 47%, Russian Orthodox 44%, Protestant 2%, other 7% |
| Ethiopia |  | Orthodox Christianity | Christian 60.8% (Orthodox 50.6%, Protestant 10.2%), Muslim 32.8%, traditional 4.6%, other 1.8% (1994 census) |
| Ukraine |  | Orthodox Christianity | Ukrainian Orthodox - Kyiv Patriarchate 50.4%, Ukrainian Orthodox - Moscow Patriarchate 26.1%, Ukrainian Greek Catholic 8%, Ukrainian Autocephalous Orthodox 7.2%, Roman Catholic 2.2%, Protestant 2.2%, Jewish 0.6%, other 3.2% (2006 est.) |
| Turkmenistan |  | Orthodox Christianity | Muslim 89%, Eastern Orthodox 9%, unknown 2% |
| Sweden |  | Orthodox Christianity | Lutheran 87%, other (includes Roman Catholic, Orthodox, Baptist, Muslim, Jewish, and Buddhist) 13% |
| Uzbekistan |  | Orthodox Christianity | Muslim 88% (mostly Sunnis), Eastern Orthodox 9%, other 3% |
| Finland |  | Orthodox Christianity | Lutheran Church of Finland 82.5%, Orthodox Church 1.1%, other Christian 1.1%, other 0.1%, none 15.1% (2006) |
| Poland |  | Orthodox Christianity | Roman Catholic 89.8% (about 75% practicing), Eastern Orthodox 1.3%, Protestant 0.3%, other 0.3%, unspecified 8.3% (2002) |
| Romania |  | Orthodox Christianity | Eastern Orthodox (including all sub-denominations) 86.8%, Protestant (various denominations including Reformate and Pentecostal) 7.5%, Roman Catholic 4.7%, other (mostly Muslim) and unspecified 0.9%, none 0.1% (2002 census) |
| Belarus |  | Orthodox Christianity | Eastern Orthodox 80%, other (including Roman Catholic, Protestant, Jewish, and Muslim) 20% (1997 est.) |
| Kyrgyzstan |  | Orthodox Christianity | Muslim 75%, Russian Orthodox 20%, other 5% |
| Greece |  | Orthodox Christianity | Greek Orthodox 98%, Muslim 1.3%, other 0.7% |
| Bulgaria |  | Orthodox Christianity | Bulgarian Orthodox 82.6%, Muslim 12.2%, other Christian 1.2%, other 4% (2001 census) |
| Jordan |  | Orthodox Christianity | Sunni Muslim 92%, Christian 6% (majority Greek Orthodox, but some Greek and Roman Catholics, Syrian Orthodox, Coptic Orthodox, Armenian Orthodox, and Protestant denominations), other 2% (several small Shia Muslim and Druze populations) (2001 est.) |
| Azerbaijan |  | Orthodox Christianity | Muslim 93.4%, Russian Orthodox 2.5%, Armenian Orthodox 2.3%, other 1.8% (1995 est.) |
| Serbia |  | Orthodox Christianity | Serbian Orthodox 85%, Catholic 5.5%, Protestant 1.1%, Muslim 3.2%, unspecified 2.6%, other, unknown, or atheist 2.6% (2002 census) |
| Georgia |  | Orthodox Christianity | Orthodox Christian 83.9%, Muslim 9.9%, Armenian-Gregorian 3.9%, Catholic 0.8%, other 0.8%, none 0.7% (2002 census) |
| Lithuania |  | Orthodox Christianity | Roman Catholic 79%, Russian Orthodox 4.1%, Protestant (including Lutheran and Evangelical Christian Baptist) 1.9%, other or unspecified 5.5%, none 9.5% (2001 census) |
| Latvia |  | Orthodox Christianity | Lutheran 19.6%, Orthodox 15.3%, other Christian 1%, other 0.4%, unspecified 63.7% (2006) |
| Croatia |  | Orthodox Christianity | Roman Catholic 87.8%, Orthodox 4.4%, other Christian 0.4%, Muslim 1.3%, other and unspecified 0.9%, none 5.2% (2001 census) |
| Bosnia and Herzegovina |  | Orthodox Christianity | Muslim 40%, Orthodox 31%, Roman Catholic 15%, other 14% |
| Estonia |  | Orthodox Christianity | Evangelical Lutheran 13.6%, Orthodox 12.8%, other Christian (including Methodist, Seventh-Day Adventist, Roman Catholic, Pentecostal) 1.4%, unaffiliated 34.1%, other and unspecified 32%, none 6.1% (2000 census) |
| Switzerland |  | Orthodox Christianity | Roman Catholic 41.8%, Protestant 35.3%, Muslim 4.3%, Orthodox 1.8%, other Christian 0.4%, other 1%, unspecified 4.3%, none 11.1% (2000 census) |
| Moldova |  | Orthodox Christianity | Eastern Orthodox 98%, Jewish 1.5%, Baptist and other 0.5% (2000) |
| Albania |  | Orthodox Christianity | Muslim 70%, Albanian Orthodox 20%, Roman Catholic 10% |
| Macedonia |  | Orthodox Christianity | Macedonian Orthodox 64.7%, Muslim 33.3%, other Christian 0.37%, other and unspecified 1.63% (2002 census) |
| Slovenia |  | Orthodox Christianity | Catholic 57.8%, Muslim 2.4%, Orthodox 2.3%, other Christian 0.9%, unaffiliated 3.5%, other or unspecified 23%, none 10.1% (2002 census) |
| Montenegro |  | Orthodox Christianity | Orthodox 74.2%, Muslim 17.7%, Catholic 3.5%, other 0.6%, unspecified 3%, atheist 1% (2003 census) |
| Kosovo |  | Orthodox Christianity | Muslim, Serbian Orthodox, Roman Catholic |
| Lebanon |  | Orthodox Christianity | Muslim 59.7% (Shia, Sunni, Druze, Isma'ilite, Alawite or Nusayri), Christian 39% (Maronite Catholic, Greek Orthodox, Melkite Catholic, Armenian Orthodox, Syrian Catholic, Armenian Catholic, Syrian Orthodox, Roman Catholic, Chaldean, Assyrian, Copt, Protestant), other 1.3% |
| Cyprus |  | Orthodox Christianity | Greek Orthodox 78%, Muslim 18%, other (includes Maronite and Armenian Apostolic) 4% |
| EU |  | Orthodox Christianity | Roman Catholic, Protestant, Orthodox, Muslim, Jewish |
| World |  | Orthodox Christianity | Christians 33.32% (of which Roman Catholics 16.99%, Protestants 5.78%, Orthodox 3.53%, Anglicans 1.25%), Muslims 21.01%, Hindus 13.26%, Buddhists 5.84%, Sikhs 0.35%, Jews 0.23%, Baha'is 0.12%, other religions 11.78%, non-religious 11.77%, atheists 2.32% (2007 est.) |