The Census of Canada 1880–81 marked the second regularly scheduled collection of national statistics of the Canadian population. The census took place on April 4, 1881, having been assented to via the Census Act on May 15, 1879. The total population count of Canada was 4,324,810.[1] Dependent on the quoted figure, this is either a 24.1% increase from the 1871 census's 3,485,761, or a 17.2% increase from the 1871 estimate's 3,689,257.[2]