Statistics Canada Family Research Data Marital status and opposite- and same-sex status by age and sex, and presence of children for persons aged 15 and over living in private households Total population aged 15 or more Persons not in a couple 4,763,305 Ontario 11,038,440 Total persons in a couple 6,275,140 Same-sex 5,369,465 5,349,145 Common-law partners 872,825 32,845 Household type Province Ontario Total Private households 5,169,175 Couple census families Without children 1,253,835 One-census-family households without Couple census families With children 1,483,230 additional persons Lone parent 486,380 HHS4C Learning Activity 1.8 Statistics Canada Family Research Data Multigenerational households 200,115 Other census family households 203,935 Non-census family households of two or more persons 200,365 One-person households 1,341,305 Family characteristics of young adults by age and sex for the population aged 20 to 34 in private households Living in a couple at least one parent Living with other relatives (not in a couple, 80.045 not with own children) ? Young adults not living with a parent Living with non-relatives only (not in a couple, not with own children) 236,535 Living alone (not in a couple, not with own children) 229,586 Family characteristics of children including presence of grandparents by age for the population aged 0 to 14 in private households 2,203,720 Not living with grandparents 1,595,760 Living with two parents Living with grandparents 164,420 Not living with grandparents 348,295 Living with one parent Living with grandparents Living with grandparents without parents present Living with other relatives Foster children by age groups, both sexes Province Ontario Total Foster children 9,425 Total 7,730 0 to 17 years 0 to 14 years 5,645 15 to 17 years 2,085 Total 1,690 18 years and over 18 to 19 years 575 20 years and over