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Historical Values
Year Value
1990 predominantly Christian
1991 predominantly Christian
1992 predominantly Christian
1993 Christian
1994 Christian
1995 80%-90% Christian (50% Lutheran; at least 30% other Christian denominations)
1996 Christian 80% to 90%, Lutheran 50% at least, other Christian denominations 30%, native religions 10% to 20%
1997 Christian 80% to 90% (Lutheran 50% at least, other Christian denominations 30%, native religions 10% to 20%
1998 Christian 80% to 90% (Lutheran 50% at least, other Christian denominations 30%), native religions 10% to 20%
1999 Christian 80% to 90% (Lutheran 50% at least, other Christian denominations 30%), native religions 10% to 20%
2000 Christian 80% to 90% (Lutheran 50% at least), indigenous beliefs 10% to 20%
2001 Christian 80% to 90% (Lutheran 50% at least), indigenous beliefs 10% to 20%
2002 Christian 80% to 90% (Lutheran 50% at least), indigenous beliefs 10% to 20%
2003 Christian 80% to 90% (Lutheran 50% at least), indigenous beliefs 10% to 20%
2004 Christian 80% to 90% (Lutheran 50% at least), indigenous beliefs 10% to 20%
2005 Christian 80% to 90% (Lutheran 50% at least), indigenous beliefs 10% to 20%
2006 Christian 80% to 90% (Lutheran 50% at least), indigenous beliefs 10% to 20%
2007 Christian 80% to 90% (Lutheran 50% at least), indigenous beliefs 10% to 20%
2008 Christian 80% to 90% (Lutheran 50% at least), indigenous beliefs 10% to 20%
2009 Christian 80% to 90% (Lutheran 50% at least), indigenous beliefs 10% to 20%
2010 Christian 80% to 90% (Lutheran 50% at least), indigenous beliefs 10% to 20%
2011 Christian 80% to 90% (at least 50% Lutheran), indigenous beliefs 10% to 20%
2012 Christian 80% to 90% (at least 50% Lutheran), indigenous beliefs 10% to 20%
2013 Christian 80% to 90% (at least 50% Lutheran), indigenous beliefs 10% to 20%
2014 Christian 80% to 90% (at least 50% Lutheran), indigenous beliefs 10% to 20%
2015 Christian 80% to 90% (at least 50% Lutheran), indigenous beliefs 10% to 20%
2016 Christian 80% to 90% (at least 50% Lutheran), indigenous beliefs 10% to 20%
2017 Christian 80% to 90% (at least 50% Lutheran), indigenous beliefs 10% to 20%
2018 Christian 80% to 90% (at least 50% Lutheran), indigenous beliefs 10% to 20%
2019 Christian 80% to 90% (at least 50% Lutheran), indigenous beliefs 10% to 20%
2020 Christian 80% to 90% (at least 50% Lutheran), indigenous beliefs 10% to 20%
2021 Christian 97.5%, other 0.6% (includes Muslim, Baha'i, Jewish, Buddhist), unaffiliated 1.9% (2020 est.)
2022 Christian 97.5%, other 0.6% (includes Muslim, Baha'i, Jewish, Buddhist), unaffiliated 1.9% (2020 est.)
2023 Christian 97.5%, other 0.6% (includes Muslim, Baha'i, Jewish, Buddhist), unaffiliated 1.9% (2020 est.)
2024 Christian 97.5%, other 0.6% (includes Muslim, Baha'i, Jewish, Buddhist), unaffiliated 1.9% (2020 est.)
2025 Christian 97.5%, other 0.6% (includes Muslim, Baha'i, Jewish, Buddhist), unaffiliated 1.9% (2020 est.)