Statistics Canada have just made available free the Canada Year Book (CYB) Historical Collection covering the first century of Canada's history, from 1867 to 1967.
It covers "Canada's social and economic past through the people, events and facts that have shaped this vast country" including "historical text, tables, charts and maps photos or multimedia".
Selecting browse by year then
The tables, in html, provide a huge amount of data useful as context for family history studies. The maps are disappointing as the resolution is unsatisfactory.