Holy See (Vatican City)
Roman Catholic
Honduras
Roman Catholic 97%, Protestant 3%
Hong Kong
eclectic mixture of local religions 90%, Christian 10%
Hungary
Roman Catholic 51.9%, Calvinist 15.9%, Lutheran 3%, Greek
Catholic 2.6%, other Christian 1%, other or unspecified 11.1%,
unaffiliated 14.5% (2001 census)
Iceland
Lutheran Church of Iceland 82.1%, Roman Catholic Church
2.4%, Reykjavik Free Church 2.3%, Hafnarfjorour Free Church 1.6%,
other Christian 2.8%, other religions 0.9%, unaffiliated 2.6%, other
or unspecified 5.5% (2006 est.)
India
Hindu 80.5%, Muslim 13.4%, Christian 2.3%, Sikh 1.9%, other
1.8%, unspecified 0.1% (2001 census)
Indonesia
Muslim 86.1%, Protestant 5.7%, Roman Catholic 3%, Hindu
1.8%, other or unspecified 3.4% (2000 census)
Iran
Muslim 98% (Shia 89%, Sunni 9%), other (includes Zoroastrian,
Jewish, Christian, and Baha'i) 2%
Iraq
Muslim 97% (Shia 60%-65%, Sunni 32%-37%), Christian or other 3%
Ireland
Roman Catholic 87.4%, Church of Ireland 2.9%, other
Christian 1.9%, other 2.1%, unspecified 1.5%, none 4.2% (2006 census)