We are currently developing the documentation of statistics. At the moment, the content is not necessarily up-to-date in all respects.
Families: documentation of statistics
The documentation of the statistics describes how the statistics were compiled and what methods were used in the compilation. The data help interpret the figures of the statistics and evaluate their reliability and comparability. The quality report is based on the EU's SIMS model. The documentation also contains change releases describing changes in the statistics and possible specifying methodological descriptions.
If you are looking for statistical figures for these statistics, go to the statistics page: Families
Quality report
Data description (SIMS 3.1)
Families are formed at the turn of the year from persons living in the same dwelling according to the population information system of the Population Register Centre. The statistics comprise families and families with children, and their demographic data. Families are classified into families without children, married or cohabiting couples living with children, and single-parent families. Cohabiting couples are deduced from living together. The statistics contain data on the age, language, nationality and country of birth of spouses/parents, and on the age and gender of each child living at home. Families with children are those that include children under the age of 18.
Concepts and definitions (SIMS 3.4)
Adoptions
Prior to 1997, changes in the statutory order of succession were classified as adopted children in the population statistics, although no actual adoptions were made. From the 1997 statistics, only actual adoptions have been recorded as adoptions.
Age
Age refers to a person's age in whole years as at 31 December. The data are obtained from the Population Information System. Age is also used as an auxiliary variable. For example, only people between 15 and 74 can be in the labour force.
Child
In the family statistics children comprise the following persons living with their parents: - biological children, - adopted children, - biological children, adopted children and confirmed children of one of the spouses. Foster children and children in the care of the family are not classified as children. The definition of child has changed since 1990. A child is now defined as a person who lives with his or her parents irrespective of his or her marital status, unless the person has a spouse or children who live in the same household-dwelling unit. In 1990 only unmarried persons were counted as children. So while in 1990 widowed or divorced persons living with their parents were classified as not belonging to families, since 1992 they have been regarded as members of the family.
Cohabiting couple
A cohabiting couple is defined as two spouseless adults of different sex aged 18 and over and occupying the same dwelling on a permanent basis, provided their age difference is less than 16 years and they are not siblings. In case the couple has a common child these specifications do not apply. Persons of the same sex living together are not regarded as cohabiting couples unless the household-dwelling unit consists of two women who are the biological mother of the child living in the same dwelling and the second mother confirmed for the child.
Family status
Family members are grouped by family status as follows: - spouse, no children - spouse with children - cohabiting partner, no children - cohabiting partner with children - partner in a registered partnership, no children - partner in a registered partnership with children - father/mother without spouse - child. In the family statistics children comprise all persons, regardless of age, who live with their parents, or the spouse's biological, adopted or confirmed children, but not foster children or children in the care of the family.
Family with underage children
A family with underage children is a family comprising at least one child aged under 18 living at home.
Language
Information on language is obtained from the Population Information System. At the same time as parents register the name of their new-born, they also indicate the child's mother tongue. That language is retained in the Population Information System unless it is changed upon separate application. Languages are classified by the Population Register Centre according to the ISO 639 standard. The future language classification ISO-639-1 was already adopted for the 2000 population census.
Number of children
The number of children refers to the number of children who are living at home and have the status of a child. The number of children in families with underage children refers to the number of children aged under 18 living at home.
Reconstituted family
In a reconstituted family, a child aged under 18 is a child of only one of the spouses. Not all the children aged under 18 in the family are common children.
Type of family
Families are grouped into the following types: - married opposite-sex couple without children - married same-sex couple without children - cohabiting opposite-sex couple without children - married opposite-sex couple with children - married same-sex couple with children - cohabiting opposite-sex couple with children - cohabiting same-sex couple with common children (biological mother and confirmed mother) - registered male couple without children - registered male couple with children - registered female couple without children - registered female couple with children - mother with children - father with children. 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. For reasons of data protection, married and cohabiting same-sex couples and registered same-sex couples are classified together with married opposite sex couples in municipal tables.
With a family
A man with a family is a married or cohabiting partner, a father with children and both partners of a registered male couple. A woman with a family is a married or cohabiting partner, a mother with children and both partners of a registered female couple.
Institutional mandate (SIMS 6)
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Quality assurance (SIMS 11.1)
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Release calendar (SIMS 8.1)
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User access (SIMS 8.3)
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Confidentiality - policy (SIMS 7.1)
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