Mother Tongue of Married Spouse or Common-law Partner (10), Mother Tongue of Child (10), Mother Tongue of Other Married Spouse or Common-law Partner (10), Knowledge of Official Languages by Married Spouse or Common-law Partner (5), Knowledge of Official Languages by Child (5), Knowledge of Official Languages by Other Married Spouse or Common-law Partner (5) and Age of Child (5) for Children Under 18 Years of Age in Couple Families in Private Households of Canada, Provinces and Territories and Census Metropolitan Areas, 2016 Census - 100% Data - Supporting Document