According to the 2010 census, 85.8% of total population is Christian, of whom 75.9% adhere to the Roman Catholic faith, forming the exempt Roman Catholic Archdiocese of Vaduz, while 8.5% are Protestant, mainly organized in the Evangelical Church in Liechtenstein and the Evangelical Lutheran Church in Liechtenstein. The largest minority religion is Islam (5.4% of total population). Catholicism is, by far, the predominant religion of people with Liechtenstein citizenship (87.0%).


Reference 1: Catholics, Protestants, Christian-Orthodox Churches, Other Christian Churches, Muslims, Other religions, No religion and Undeclared.
Reference 2: 2010, 2000 and 1990.
Source: http://en.wikipedia.org/wiki/Liechtenstein
Reference 2: 2010, 2000 and 1990.
Source: http://en.wikipedia.org/wiki/Liechtenstein