A recent amendment to Canada’s citizenship law is triggering a significant rise in applications from Americans seeking proof of Canadian citizenship, according to immigration experts. The change, brought into effect through Bill C-3 (Canada Citizenship Act amendment 2025) in December 2025, has expanded eligibility by removing the long-standing first-generation limit on citizenship by descent for individuals born before December 15, 2025.
The amendment allows individuals born outside Canada to a Canadian parent, or those adopted by Canadian parents, to apply for proof of citizenship without generational restriction, provided they can establish a direct ancestral link. This marks a major shift from previous rules that restricted eligibility to only the first generation born abroad.
Ottawa-based immigration lawyer Cassandra Fultz noted that the demand for Canadian ancestry documentation has grown sharply since the legal change. She indicated that applications are being submitted from across the United States, with interest spanning multiple regions and generations. Individuals in the northeastern U.S. are tracing lineage to Quebec migrants from the 19th and early 20th centuries, while others in the southern states are identifying connections to Acadian families deported from Atlantic Canada in the 18th century. Applications are also emerging from western states such as California, Washington, and Oregon, reflecting widespread interest.
Despite the broadened eligibility, citizenship is not granted automatically. Applicants must go through a formal process administered by Immigration, Refugees and Citizenship Canada, including submitting verifiable documentation proving their Canadian ancestry. Legal experts emphasize that while the pathway has been opened, applicants must meet all procedural requirements to obtain official recognition.
The legislative change follows a 2023 decision by the Ontario Superior Court ruling on citizenship limit 2023, which found the previous generational restriction unconstitutional. The ruling required the federal government to amend the law, leading to the passage of Bill C-3.
While Canada has recently taken steps to moderate immigration levels, this development operates outside traditional immigration frameworks, as it pertains to individuals claiming citizenship rights through descent rather than entering the country as new immigrants. Observers suggest that the policy shift could strengthen Canada’s ties with its diaspora while attracting individuals who already have cultural and familial connections to the country.
With growing awareness of the new provisions, immigration professionals anticipate continued high demand for citizenship applications in the months ahead, potentially leading to increased processing times as authorities manage the surge.

