Final answer:
Familial Status refers to the children living in a household who are under 18 years of age. It helps determine family composition and understand different family structures and living arrangements.
Step-by-step explanation:
Familial Status refers to the children living in a household who are under 18 years of age. It is used to determine the composition of a family and understand different family structures and living arrangements. For example, in the United States, a higher percentage of 18-to-29-year-olds were living with their parents in 2016 than at any time since 1900.