Non-dependent child
A person aged 15 years or more, who is a natural, adopted, step, or foster child of a couple or lone parent usually resident in the same household, who is not a full-time student aged 15-24 years, and who has no identified partner or child of his/her own usually resident in the household.
See also Adopted child, Child, Couple family, Foster child, Lone parent, Other related individual, Partner, Step child.