Age refers to a person's age in whole years as at 31 December.The data are obtained from the Population Information System. For example, only people between 15 and 74 can be in the labour force.In case the couple has a common child these specifications do not apply.Same-sex persons living together are not inferred as cohabiting couples.For reasons of data protection, those living in registered partnerships are grouped together with married persons in municipal tables.A man with a family is a married or cohabiting partner, a father with children and both partners of a registered male couple.Languages are classified by the Population Register Centre according to the ISO 639 standard.
The number of children in families with underage children refers to the number of children aged under 18 living at home.
Brothers and sisters or cousins living together are not a family and do not belong to the family population.
The same applies to people who live alone or with a person of the same sex.
A married or cohabiting couple without children refers to a couple who has never had any children or whose children no longer live with their parents.
'Cohabiting couple with children' contains couples who have common children and also couples whose children are not common.