Table 5 Children 0-17 år, by type of siblings living at home and county. 2001, 2005, 2006, 2007 and 2008. Per cent

5 Children¹ 0-17 år, by type of siblings² living at home and county. 2001, 2005, 2006, 2007 and 2008. Per cent
	Children, total	Children with no siblings	Children with siblings, total	Type of sibling

	Children, total	Children with no siblings	Children with siblings, total	Only biological siblings	Only half siblings	Only stepsiblings	Biological/half siblings	Biological/stepsiblings	half siblings and stepsiblings	Biological/half siblings and stepsiblings

2001³	1 049 842	17.3	82.7	70.5	6.6	0.3	4.8	0.3	0.2	0.1
2005	1 078 081	17.6	82.4	69.2	7.0	0.4	5.1	0.3	0.2	0.1
2006	1 082 684	17.7	82.3	69.0	7.1	0.4	5.2	0.4	0.2	0.1
2007	1 085 765	17.9	82.1	68.7	7.1	0.4	5.2	0.4	0.2	0.1
2008	1 088 716	18.2	81.8	68.5	7.1	0.4	5.2	0.4	0.2	0.1

2008
Østfold	59 196	19.8	80.2	65.6	8.1	0.6	5.0	0.4	0.3	0.1
Akershus	129 629	18.4	81.6	70.5	6.2	0.5	3.8	0.4	0.2	0.1
Oslo	110 953	25.0	75.0	65.8	5.3	0.2	3.4	0.1	0.1	0.0
Hedmark	39 981	18.3	81.7	67.5	7.5	0.5	5.2	0.6	0.3	0.1
Oppland	39 320	17.7	82.3	69.3	6.9	0.5	4.8	0.5	0.2	0.1
Buskerud	56 171	19.4	80.6	67.9	7.1	0.4	4.5	0.3	0.2	0.1
Vestfold	50 917	19.2	80.8	66.4	8.3	0.6	4.6	0.4	0.3	0.1
Telemark	36 256	18.7	81.3	67.1	7.8	0.6	5.0	0.5	0.3	0.1
Aust-Agder	24 859	16.6	83.4	70.2	6.9	0.4	5.2	0.4	0.2	0.1
Vest-Agder	40 605	15.7	84.3	72.4	6.2	0.3	4.9	0.2	0.2	0.1
Rogaland	104 996	15.0	85.0	73.1	5.9	0.3	5.0	0.3	0.2	0.1
Hordaland	110 197	16.1	83.9	70.8	6.5	0.3	5.6	0.4	0.2	0.1
Sogn og Fjordane	25 886	12.3	87.7	76.1	5.2	0.1	5.8	0.2	0.2	0.1
Møre og Romsdal	57 726	15.1	84.9	70.3	7.2	0.2	6.6	0.3	0.2	0.1
Sør-Trøndelag	64 464	18.9	81.1	67.1	7.6	0.5	5.3	0.4	0.3	0.1
Nord-Trøndelag	30 895	15.5	84.5	67.9	7.9	0.5	7.2	0.5	0.4	0.2
Nordland	53 651	18.1	81.9	62.6	10.0	0.6	7.7	0.5	0.4	0.2
Troms Romsa	35 780	19.6	80.4	61.8	9.9	0.5	7.3	0.4	0.4	0.1
Finnmark Finnmárku	17 236	17.9	82.1	60.2	11.5	0.6	8.8	0.4	0.4	0.2

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	Population and Housing Census 3 November 2001.