There are five main types of family structure.

The five main types of family structure are as follows:

1. nuclear family: a family consisting of two or more generations of couples, with no more than one couple in each generation and no generation in between.

2. Major families: including parents, married children, unmarried children, grandchildren, great-grandchildren and other families living together for generations.

3. Single parent family: a family composed of divorced, widowed or unmarried single parents and their children or adopted children.

4. joint family: A family composed of many married children, or a family composed of married peers.

5. intergenerational family: a family composed of grandparents, parents and the third generation.