"Canadian citizenship is typically obtained by birth in Canada, birth abroad when at least one parent is a Canadian citizen and was born in Canada,
Bill C-37[4] came into effect on 17 April 2009, which changed the rules for Canadian citizenship. Individuals can now become Canadian citizens by descent only if one of their parents was either a native-born citizen of Canada or a foreign-born but naturalized citizen of Canada. The new law limits citizenship by descent to one generation born outside Canada
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Understanding the first generation limitation
Under the old rules, it was possible for Canadians to pass on their citizenship to endless generations born outside Canada. To protect the value of Canadian citizenship for the future, the new law limits – with a few exceptions – citizenship by descent to one generation born outside Canada.
This means that children born to Canadian parents in the first generation outside Canada will only be Canadian at birth if:
* one parent was born in Canada, or
* one parent became a Canadian citizen by immigrating to Canada and was later granted citizenship (also called naturalization).