Canada taxes residents on their worldwide income — this is one of the most important tax facts for newcomers to understand. Once you become a Canadian tax resident (on your arrival date), any income you earn from any source anywhere in the world is subject to Canadian income tax. This applies to foreign employment income, foreign rental income, foreign business income, foreign investment income, and even foreign pension payments.
You become a Canadian tax resident on the date you establish significant residential ties in Canada. For most newcomers with a permanent residence card, work permit, or study permit moving to Canada with the intent to stay, this is your arrival date. "Significant residential ties" include having a home in Canada, a spouse or dependants in Canada, or personal property in Canada.
In your first year, you file a "newcomer return" covering the period from your arrival date to December 31. Income earned before your arrival date in that first year is generally not taxable in Canada, though it may need to be declared.
If you worked abroad before arriving in Canada in the same calendar year, that pre-arrival foreign income is typically not subject to Canadian tax. After your arrival date, any foreign employment income — including from remote work for a foreign employer — is taxable in Canada as Canadian resident income.
Canada has tax treaties with over 90 countries to prevent double taxation. If you earn income in another country and pay tax there, you can typically claim a Foreign Tax Credit on your Canadian return to offset the Canadian tax owing on that same income. You don't pay tax twice on the same income — you pay the higher of the two countries' tax rates.
Countries without tax treaties with Canada can result in genuine double taxation — a situation worth discussing with a tax professional if you have significant ongoing foreign income.
If you hold specified foreign property (foreign bank accounts, stocks, real estate NOT used for personal use, etc.) with a total cost amount exceeding $100,000 CAD at any point during the tax year, you must file a T1135 Foreign Income Verification Statement with your tax return. This is a disclosure form, not an additional tax.
Failure to file a T1135 when required can result in penalties of $25/day to a maximum of $2,500 per year, and more severe penalties for intentional non-disclosure. File even if you aren't sure you need to — a tax professional can help determine the threshold.
If you sell foreign real estate or investments after becoming a Canadian resident, the capital gain (or loss) is generally reportable on your Canadian tax return. The gain is calculated based on the fair market value of the property on your arrival date (your "deemed acquisition cost") compared to the sale price. Keep documentation of property values on your arrival date — this is crucial for future tax calculations.
Foreign income tax situations can be complex. Consult a Canadian accountant (CPA) with international tax experience, particularly if you have: foreign rental properties, foreign business interests, stock options from a foreign employer, pension income from another country, or assets that may trigger T1135 reporting. The investment in professional advice typically pays for itself many times over.
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