Population and housing censuses by country etc.) are referred to as quinquennial censuses. Others are referred to as decennial censuses. The first quinquennial census was conducted in 1956. For the 2006 Census of Canada, respondents were able to complete their census questionnaire online for the first time. Other options for answering the questionnaire included postal mail (using a pre-paid envelope) and telephone (using an 800 number). At a sub-national level, two provinces (Alberta and Saskatchewan) and two territories (Nunavut and Yukon) have legislation that allows local governments to conduct their own municipal censuses. National population censuses are carried out in Chile every ten years by the
Constitution Act, 1886 populations relative to the provinces and indeed, relative to nearly all federal electoral districts. In 1987, the Chief Justice of the Supreme Court of British Columbia noted that "representation for the territories [in the House of Commons] has never been based strictly upon population". The Northwest Territories and Yukon have been represented in the Senate since 1975 and Nunavut has been represented in the Senate since its creation in 1999. The Yukon has been represented in the House of Commons since 1902. The Northwest Territories and the Yukon were represented by the same member of the House of Commons between