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.
This means, for example, that a mother-in-law or father-in-law living with their child's family will not be included in the family population unless they live together with their spouse, in which case the old couple form their own family.
A family with underage children refers to a family which has at least one child aged under 18 living at home.
Starting from 1 March 2002, same-sex couples have been able to register their partnerships.
Persons living in the household-dwelling unit who are not members of the nuclear family are not included in the family population, even if they are related, unless they form their own family.
At the same time as parents register the name of their new-born, they also indicate the child's mother tongue.