No, not everyone needs a Temporary Visa to visit Canada, some countries are exempt from needing a visa to travel to Canada. You must research and ask the immigration officer in the country that you reside in, if a visa is necessary. While some countries are exempt others are not, if the country requires a visa to visit Canada then you must apply to do so with all necessary documentation that is needed to apply for a Temporary Visa to visit Canada.
What types of documents do I need to show the immigration officer?
While you do not need a visa to visit transit Canada, you will need to show the immigration officer required documentation which will permit you to travel to Canada. You will need to show the immigration officer proof that you meet all the requirements that are needed to enter Canada, and they must be satisfied with the documentation that you are presenting them with. Further, a medical exam or police clearances may be required.
