Concept selected: Family nucleus
- Definition
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Intermediate hierarchical unit between the person and the household. The following constitute a family nucleus: a married couple or a couple cohabiting without children, a married couple or a couple cohabiting with one or more children, a father living with one or more children or a mother living with one or more children. In order to be considered part of the family nucleus of their parents, children must not have a partner and must not have children.
 - Source
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National Statistics Institute surveys
 - Topic
 - Statistical operations (links to the Inventory of Statistical Operations)
 - Concepts associated
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