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 85.5%, Reykjavik Free Church
2.1%, Roman Catholic Church 2%, Hafnarfjorour Free Church 1.5%,
other Christian 2.7%, other or unspecified 3.8%, unaffiliated 2.4%
(2004)
India
Hindu 80.5%, Muslim 13.4%, Christian 2.3%, Sikh 1.9%, other
1.8%, unspecified 0.1% (2001 census)
Indonesia
Muslim 88%, Protestant 5%, Roman Catholic 3%, Hindu 2%,
Buddhist 1%, other 1% (1998)
Iran
Shi'a Muslim 89%, Sunni Muslim 9%, Zoroastrian, Jewish,
Christian, and Baha'i 2%
Iraq
Muslim 97% (Shi'a 60%-65%, Sunni 32%-37%), Christian or other 3%
Ireland
Roman Catholic 88.4%, Church of Ireland 3%, other Christian
1.6%, other 1.5%, unspecified 2%, none 3.5% (2002 census)