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=== Tidak beragama dan ateis ===
{{See also|Populasi umat tak beragama menurut negara}}
'''CountriesNegara withdengan theproporsi greatestterbesar proportionorang oftanpa people without religionagama (includingtermasuk agnosticsagnostik anddan atheistsateis) fromdari [[IrreligionPopulasi umat tak beragama menurut negara|tidak beragama bymenurut countrynegara]] ({{As of|2020|lc=on}}):'''<ref name="Pew Research Center">{{cite web|author=Pew Research Center|date=10 November 2020|title=Religious Composition by Country, 2010-2050|url=https://www.pewforum.org/2015/04/02/religious-projection-table/2050/number/all/|access-date=2021-10-26|archive-date=2020-11-11|archive-url=https://web.archive.org/web/20201111170742/https://www.pewforum.org/2015/04/02/religious-projection-table/2050/number/all/|dead-url=yes}}</ref>
[[Berkas:Countries_by_percentage_of_Unaffiliated–Pew_Research_2010.svg|jmpl|550x550px|[[Populasi umat tak beragama menurut negara]] pada 2010.<ref>{{Cite web|date=2 April 2015|title=Religious Composition by Country, 2010-2050|url=https://www.pewforum.org/2015/04/02/religious-projection-table/|website=Pew Research Center's Religion & Public Life Project|language=en-US|archive-url=https://web.archive.org/web/20190215031743/http://www.pewforum.org/2015/04/02/religious-projection-table/|archive-date=15 February 2019|access-date=27 April 2020|url-status=live}}</ref>]]
# {{flag|CzechRepublik RepublicCeko}} (78,4%)<ref name="Pew Research Center"/>
# {{flag|North Korea Utara}} (71,3%)<ref name="Pew Research Center"/>
# {{flag|Estonia}} (60,2%)<ref name="Pew Research Center"/>
# {{flag|JapanJepang}} (60%)<ref name="Pew Research Center"/>
# {{flag|Hong Kong}} (54,7%)<ref name="Pew Research Center"/>
# {{flag|ChinaTiongkok}} (51,8%)<ref name="Pew Research Center"/>
# {{flag|South Korea Selatan}} (46,6%)<ref name="Pew Research Center"/>
# {{flag|Latvia}} (45,3%)<ref name="Pew Research Center"/>
# {{flag|NetherlandsBelanda}} (44,3%)<ref name="Pew Research Center"/>
# {{flag|Uruguay}} (41,5%)<ref name="Pew Research Center"/>
# {{Flag|NewSelandia ZealandBaru}} (39,6%)<ref name="Pew Research Center"/>
# {{flag|Mongolia}} (36,5%)<ref name="Pew Research Center"/>
# {{Flag|SpainSpanyol}} (35,5%)<ref>[[Centro de Investigaciones Sociológicas|CIS]].[http://datos.cis.es/pdf/Es66091220marMT_A.pdf "Fusión de Barómetros de Septiembre a Diciembre de 2020"], 13,498 respondents. The question was "¿Cómo se define Ud. en materia religiosa: católico/a practicante, católico/a no practicante, creyente de otra religión, agnóstico/a, indiferente o no creyente, o ateo/a?".</ref>
# {{flag|FrancePrancis}} (31,9%)<ref name="Pew Research Center"/>
# {{flag|UnitedBritania KingdomRaya}} (31,2%)<ref name="Pew Research Center"/>
# {{flag|BelgiumBelgia}} (31%)<ref name="Pew Research Center"/>
# {{flag|Vietnam}} (29,9%)<ref name="Pew Research Center"/>
# {{flag|SwedenSwedia}} (29%)<ref name="Pew Research Center"/>
# {{flag|Australia}} (28,6%)<ref name="Pew Research Center"/>
# {{flag|BelarusBelarusia}} (28,6%)<ref name="Pew Research Center"/>
# {{flag|UnitedAmerika StatesSerikat}} (28%)<ref name="Pew2020">{{cite web|date=14 January 2021|title=Measuring Religion in Pew Research Center's American Trends Panel|url=https://www.pewforum.org/2021/01/14/measuring-religion-in-pew-research-centers-american-trends-panel/|website=Measuring Religion in Pew Research Center’s American Trends Panel | Pew Research Center|publisher=Pew Research Center|archive-url=https://web.archive.org/web/20210208090614/https://www.pewforum.org/2021/01/14/measuring-religion-in-pew-research-centers-american-trends-panel/|archive-date=8 February 2021|access-date=9 February 2021|url-status=live}}</ref>
# {{flag|LuxembourgLuksemburg}} (26,7%)<ref name="Pew Research Center"/>
# {{flag|GermanyJerman}} (26,3%)<ref name="Pew Research Center"/>
# {{flag|CanadaKanada}} (23,9%)<ref name="religion2011d">{{cite web|date=8 May 2013|title=Religions in Canada — Census 2011|url=http://www.statcan.gc.ca/daily-quotidien/130508/dq130508b-eng.htm?HPA|publisher=Statistics Canada}}</ref>
# {{flag|CubaKuba}} (23,2%)<ref name="Pew Research Center"/>
# {{flag|SwitzerlandSwiss}} (22,8%)<ref name="Pew Research Center"/>
# {{flag|FinlandFinlandia}} (20,8%)<ref name="Pew Research Center"/>
# {{flag|HungaryHungaria}} (20%)<ref name="Pew Research Center"/>
# {{flag|Slovenia}} (18,8%)<ref name="Pew Research Center"/>
'''Keterangan:''' Diberi peringkat berdasarkan perkiraan rata-rata yang ada di dalam tanda kurung. Tidak beragama termasuk agnostik, ateis, penganut sekuler, dan orang-orang yang tidak memiliki kepatuhan agama formal. Itu tidak berarti bahwa anggota kelompok ini tidak menganut agama apa pun. Beberapa agama telah selaras dengan budaya lokal dan dapat dilihat sebagai latar belakang budaya daripada agama formal. Selain itu, praktik secara resmi menyatukan keluarga atau rumah tangga dengan lembaga keagamaan sementara tidak menjalankan agama yang berafiliasi secara formal adalah hal yang umum di banyak negara. Jadi, lebih dari separuh kelompok ini adalah teistik dan/atau dipengaruhi oleh prinsip-prinsip agama, tetapi tidak beragama/tidak mempraktekkan dan bukan ateis atau agnostik sejati.<ref name="adherents.com" /> Lihat ''[[Spiritual tetapi tidak religius]]''.
'''Remarks:''' Ranked by mean estimate which is in brackets. Irreligious includes agnostic, atheist, secular believer, and people having no formal religious adherence. It does not necessarily mean that members of this group don't belong to any religion. Some religions have harmonized with local cultures and can be seen as a cultural background rather than a formal religion. Additionally, the practice of officially associating a family or household with a religious institute while not formally practicing the affiliated religion is common in many countries. Thus, over half of this group is theistic and/or influenced by religious principles, but nonreligious/non-practicing and not true atheists or agnostics.<ref name="adherents.com" /> See ''[[Spiritual but not religious]]''.
=== Hindu ===
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