There's no way of answering your question without knowing which city in Canada you plan to live in. Canada is a HUGE country and there are literally hundreds of thousands of rental accommodations across the country.
There would be literally hundreds of thousands of rental units/apartments/houses all across Canada. so it really depends on which area you are going to...then I could point you to a specific website, like kijiji, that has a great rental section.
According to report by Canada Mortgage and Housing Corporation, there has been a downfall in rents in Alberta and a rise in apartment vacancy rates in the month of April this year. It says that the vacancy rate touched a new high at 14 percent from the previous yearâ€™s rate of 8.5 percent. Alberta is a beautiful place and climate better than Toronto, though not better than Vancouver. You may consider Alberta for housing