3. On the basis of size and structure:

Nuclear Family: A nuclear family is a family which consists of husband, wife and their unmarried children. The size of nuclear family is very small. It is an autonomous unit. There is no control of the elders because newlyweds crate a separate residence for themselves which is independent of elders. It is also known as primary family.

Joint or Extended Family: It includes members of three to four generations. It is an extension of parent child relationship. This family is based on close blood ties. It is like the joint family of Hindu Society.

The eldest male member is the head of the family. It is characterized by common residence, common kitchen, commensality, sharing of property, performance of ritual bonds, reciprocal obligations and sentiments.

Extended family consists of father, mother, their sons and their wife, unmarried daughters, grandchildren, grandfather, grandmother, uncles, aunts, their children and so on. This type of family found to exist in rural community or agrarian economy