Editing Hamilton, Ontario (section)

===Religion===
According to the [[2021 Canadian census|2021 census]], religious groups in Hamilton included:<ref name="2021censusB"/>
* [[Christianity in Canada|Christianity]] (309,780 persons or 55.2%)
* [[Irreligion in Canada|Irreligion]] (183,965 persons or 32.8%)
* [[Islam in Canada|Islam]] (37,980 persons or 6.8%)
* [[Hinduism in Canada|Hinduism]] (10,200 persons or 1.8%)
* [[Sikhism in Canada|Sikhism]] (7,270 persons or 1.3%)
* [[Buddhism in Canada|Buddhism]] (4,765 persons or 0.8%)
* [[Judaism in Canada|Judaism]] (3,045 persons or 0.5%)
* [[Mythologies of the indigenous peoples of the Americas|Indigenous Spirituality]] (375 persons or 0.1%)
* Other (3,535 persons or 0.6%)

The most described [[Religion in Canada|religion]] in Hamilton is Christianity although other religions brought by immigrants are also growing. The 2011 census indicates that 67.6% of the population adheres to a Christian denomination, with [[Catholicism|Catholics]] being the largest at 34.3% of the city's population. The [[Christ the King Cathedral (Hamilton)|Christ the King Cathedral]] is the seat of the [[Roman Catholic Diocese of Hamilton, Ontario|Diocese of Hamilton]]. Other denominations include the [[United Church of Canada|United Church]] (6.5%), [[Anglican]] (6.4%), [[Presbyterianism|Presbyterian]] (3.1%), [[Eastern Orthodox Church|Christian Orthodox]] (2.9%), and other denominations (9.8%). Other religions with significant populations include [[Islam in Canada|Islam]] (3.7%), [[Buddhism|Buddhist]] (0.9%), [[Sikhism|Sikh]] (0.8%), [[Hinduism|Hindu]] (0.8%), and [[Judaism|Jewish]] (0.7%). Those with no religious affiliation accounted for 24.9% of the population.<ref>{{cite web |url=http://www12.statcan.gc.ca/nhs-enm/2011/dp-pd/prof/details/page.cfm?Lang=E&Geo1=CSD&Code1=3525005&Data=Count&SearchText=Hamilton&SearchType=Begins&SearchPR=01&A1=All&B1=All&GeoLevel=PR&GeoCode=3525005&TABID=1 |title=National Household Survey (NHS) Profile, 2011 |work=statcan.gc.ca |date=May 8, 2013 |access-date=November 18, 2013 |archive-url=https://web.archive.org/web/20130703083244/http://www12.statcan.gc.ca/nhs-enm/2011/dp-pd/prof/details/page.cfm?Lang=E&Geo1=CSD&Code1=3525005&Data=Count&SearchText=Hamilton&SearchType=Begins&SearchPR=01&A1=All&B1=All&GeoLevel=PR&GeoCode=3525005&TABID=1 |archive-date=July 3, 2013 |url-status=live}}</ref>