evidence: Northern Ireland [edit]Irish nationality law is extended to Northern Ireland. This means that according to the legislation regarding citizenship of Ireland, people born in Northern Ireland are automatically British citizens at birth and are entitled to Irish citizenship but are not automatically Irish citizens until they apply for their Irish passport.[citation needed] [...] In the 2011 census, 1,070,413 British and 375,826 Irish passports were held.[51] In the 2021 census, this was 1,000,207 British and 614,251 Irish passports.[52] [...] - ^ Tamplin, Harley (25 June 2016). "Northern Irish people are scrambling for Irish passports after Brexit". Metro Online. DMG Media. Archived from the original on 29 June 2016. Retrieved 21 October 2016.