List of largest Canadian cities by census
This is a list of the largest cities in Canada by census starting with the 1871 Census of Canada, the first national census. Only communities that were incorporated as cities at the time of each census are presented. Therefore, this list does not include any incorporated towns that may have been larger than any incorporated cities at each census. 1911. Source: Canada Year Book 1932 1921. Cities west of Ontario take up four of the top ten spots in this census. Many Western cities will grow quickly during the 20th century, in large  part, because they are able to expand their borders. Source: Canada Year Book 1932 1931. Source: Canada Year Book 1932 1941. Source: Canada Year Book 1955 1951. Source: Canada Year Book 1955 1956. Source: Canada Year Book 1957-58 1961. Source: Canada Year Book 1967 1966. Source: 1966 Census of Canada - Population (Dominion Bureau of Statistics) 1971. Source: Canada Year Book 1972 1976. Source: 1976 Census of Canada - Population (Statistics Canada) 1981. Though Winnipeg's population more than doubled in large part to amalgamation of its surrounding municipalities, a number of Canadian cities suffered population losses during the 1970s. Source : Canada Year Book 1988 1986. Source: Government of Canada Publications 1991. Source : Statistics Canada Community Profiles: Census 1991 1996. Source: Georef 1996 Census 2001. A wave of amalgamations took place in Ontario during the 1990s and 2000s that affected city population figures. 2006. The wave of amalgamations extended into the province of Quebec: in 2002, both Montreal and Quebec City combined with a number of smaller surrounding cities, some of which later chose to leave the amalgamation. Source : Statistics Canada Community Profiles: Census 2006