If you’re immigrating to Canada, your world income will become subject to Canadian tax once you establish Canadian residence. Any foreign-source income you receive after becoming a Canadian resident will be subject to Canadian tax, although any foreign tax paid on this income may be eligible for a foreign tax credit in Canada.
"This article provides information of a general nature only. It is only current at the posting date. It is not updated and it may no longer be current. It does not provide legal advice nor can it or should it be relied upon. All tax situations are specific to their facts and will differ from the situations in the articles. If you have specific legal questions you should consult a lawyer."