Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025
Definition
A nuclear family consists of two parents and their children, all living together in one household. This family structure is considered the smallest, most basic social unit in a society.
Includes not just parents and their children but also other relatives such as grandparents, aunts, uncles, and cousins living together or maintaining close relationships.
Single: Parent Family - A family structure that includes only one parent (either mother or father) living with their children.
Blended Family: Consists of a couple and their children from this and all previous relationships, illustrating how families can come together through remarriage or re-partnering