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Historical Values
Year Value
1990 67.5% Roman Catholic, 20.0% Calvinist, 5.0% Lutheran, 7.5% atheist and other
1991 Roman Catholic 67.5%, Calvinist 20.0%, Lutheran 5.0%, atheist and other 7.5%
1992 Roman Catholic 67.5%, Calvinist 20.0%, Lutheran 5.0%, atheist and other 7.5%
1993 Roman Catholic 67.5%, Calvinist 20%, Lutheran 5%, atheist and other 7.5%
1994 Roman Catholic 67.5%, Calvinist 20%, Lutheran 5%, atheist and other 7.5%
1995 Roman Catholic 67.5%, Calvinist 20%, Lutheran 5%, atheist and other 7.5%
1996 Roman Catholic 67.5%, Calvinist 20%, Lutheran 5%, atheist and other 7.5%
1997 Roman Catholic 67.5%, Calvinist 20%, Lutheran 5%, atheist and other 7.5%
1998 Roman Catholic 67.5%, Calvinist 20%, Lutheran 5%, atheist and other 7.5%
1999 Roman Catholic 67.5%, Calvinist 20%, Lutheran 5%, atheist and other 7.5%
2000 Roman Catholic 67.5%, Calvinist 20%, Lutheran 5%, atheist and other 7.5%
2001 Roman Catholic 67.5%, Calvinist 20%, Lutheran 5%, atheist and other 7.5%
2002 Roman Catholic 67.5%, Calvinist 20%, Lutheran 5%, atheist and other 7.5%
2003 Roman Catholic 67.5%, Calvinist 20%, Lutheran 5%, atheist and other 7.5%
2004 Roman Catholic 67.5%, Calvinist 20%, Lutheran 5%, atheist and other 7.5%
2005 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)
2006 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)
2007 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)
2008 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)
2009 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)
2010 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)
2011 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)
2012 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)
2013 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)
2014 Roman Catholic 37.2%, Calvinist 11.6%, Lutheran 2.2%, Greek Catholic 1.8%, other 1.9%, none 18.2%, unspecified 27.2% (2011 est.)
2015 Roman Catholic 37.2%, Calvinist 11.6%, Lutheran 2.2%, Greek Catholic 1.8%, other 1.9%, none 18.2%, unspecified 27.2% (2011 est.)
2016 Roman Catholic 37.2%, Calvinist 11.6%, Lutheran 2.2%, Greek Catholic 1.8%, other 1.9%, none 18.2%, unspecified 27.2% (2011 est.)
2017 Roman Catholic 37.2%, Calvinist 11.6%, Lutheran 2.2%, Greek Catholic 1.8%, other 1.9%, none 18.2%, unspecified 27.2% (2011 est.)
2018 Roman Catholic 37.2%, Calvinist 11.6%, Lutheran 2.2%, Greek Catholic 1.8%, other 1.9%, none 18.2%, unspecified 27.2% (2011 est.)
2019 Roman Catholic 37.2%, Calvinist 11.6%, Lutheran 2.2%, Greek Catholic 1.8%, other 1.9%, none 18.2%, no response 27.2% (2011 est.)
2020 Roman Catholic 37.2%, Calvinist 11.6%, Lutheran 2.2%, Greek Catholic 1.8%, other 1.9%, none 18.2%, no response 27.2% (2011 est.)
2021 Roman Catholic 37.2%, Calvinist 11.6%, Lutheran 2.2%, Greek Catholic 1.8%, other 1.9%, none 18.2%, no response 27.2% (2011 est.)
2022 Roman Catholic 37.2%, Calvinist 11.6%, Lutheran 2.2%, Greek Catholic 1.8%, other 1.9%, none 18.2%, no response 27.2% (2011 est.)
2023 Catholic 30.1% (Roman Catholic 27.5%, Greek Catholic 1.7%, other Catholic 0.9%), Calvinist 9.8%, Lutheran 1.8%, other Christian (includes Orthodox) 1.6%, other 0.4%, none 16.1%, no answer 40.1% (2022 est.)
2024 Catholic 30.1% (Roman Catholic 27.5%, Greek Catholic 1.7%, other Catholic 0.9%), Calvinist 9.8%, Lutheran 1.8%, other Christian (includes Orthodox) 1.6%, other 0.4%, none 16.1%, no answer 40.1% (2022 est.)
2025 Catholic 30.1% (Roman Catholic 27.5%, Greek Catholic 1.7%, other Catholic 0.9%), Calvinist 9.8%, Lutheran 1.8%, other Christian (includes Orthodox) 1.6%, other 0.4%, none 16.1%, no answer 40.1% (2022 est.)