The smallest unit of social organization in our society is

Explanation

A family is the smallest social unit where people live together. It usually includes parents and children who share a home and take care of each other.

Communities, peer groups, and clans are larger groups made up of many families. These bigger organizations build on the foundation of individual family units.

Every person starts life in a family before joining larger social groups. This makes the family the basic building block of all society.