Statistics Norway

6   Children1 0-17 years, by number of siblings2, number of parents3 in the family and the parents' cohabitation arrangements. 1 January 2005. Per cent (Corrected 28 June 2007)
Number of parents in the family and the parents' cohabitation arrangenments Children, total Children with no siblings Children with siblings
Total 1 sibling 2 siblings 3 siblings 4 siblings 5 siblings or more
Total 1 078 081 17.6 82.4 43.6 28.5 7.5 1.8 1.0
                 
Living with both parents  807 651 12.8 87.2 45.1 31.2 7.9 1.9 1.1
Married  639 849 9.7 90.3 43.6 34.1 9.0 2.2 1.4
Cohabiting  167 802 24.9 75.1 50.6 19.9 3.7 0.6 0.2
Living with one of the parents  270 429 31.9 68.1 39.2 20.4 6.1 1.6 0.7
Mother  233 231 30.3 69.7 40.3 21.0 6.1 1.6 0.8
Only mother  157 273 35.7 64.3 40.8 17.3 4.4 1.1 0.7
Mother, step-father4 75 958 18.9 81.1 39.3 28.7 9.8 2.4 0.9
Father 37 198 42.2 57.8 31.9 17.1 6.2 1.9 0.7
Only father 26 238 52.8 47.2 32.2 11.8 2.5 0.5 0.1
Father, step-mother5 10 960 17.0 83.0 31.0 29.6 15.1 5.2 2.1
1  A child is defined as any person with no partner and no child who has de jure place of usual residence in the dwelling/private household of at least one of the parents. A child is either biological or adopted. A foster child is not considered a child.
2  Siblings living at home comprises biological-, half-, and step-siblings. Biological siblings are offsprings having both parents in common. Half-siblings are offsprings having only one parent in common. Step-siblings are offsprings having no parents in common, but one of their parents are living together as married or cohabiting couples. Persons living in the same private household as their parents are regarded as living at home. A person does not have to be considered a child in the houshold to be regarded as a sibling.
3  Biological parents and adoptive parents.
4  Married or cohabiting. Might also be mother and stepmother.
5  Married or cohabiting. Might also be father and stepfather.

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