Which type of family structure consists of parents and their children?

A nuclear family is defined as a family unit that consists of two parents and their children living together. This structure is often characterized by a tight-knit relationship where the parents are typically the biological or adoptive guardians of the children. The nuclear family is considered the traditional family unit in many societies and is essential in providing emotional support, socialization, and stability to children.

In contrast, an extended family includes additional relatives such as grandparents, aunts, uncles, and cousins, who may live in the same household or close by. A blended family comprises parents who have children from previous relationships coming together to form a new family unit. A childless family, on the other hand, consists of couples who do not have children. Each of these family structures has its own dynamics and functions, but the definition of a nuclear family is the most straightforward representation of parents and their children living together.