The U.S. bases taxation on both your residence and citizenship status. This means American citizens must file a U.S. tax return every year, regardless of where they live or work.
In Canada, your tax obligations are based on your residency status, which the Canada Revenue Agency (CRA) determines for you. The general rule is that regardless of your citizenship, you’ll have to pay Canadian income tax if you live and work in Canada.
For further details, please visit the link: The USA/Canada Tax Treaty Explained
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