In our society what types of family are seen?

Listed below are the variety of structures families are found in:

Beanpole: In countries like Britain and the US, the number of children per generation has steadily gone down, while life span has increased. This has led to a shape of family tree that some researchers have likened to a beanpole -tall and thin, with few people in each generation:

Classic extended family: An extended family sharing the same household Cohabitation a couple living together who aren't married. 

Extended family: A family containing relatives in addition to the nuclear family

Gay or lesbian family: Same sex couple living together with children.

Kin: Relatives based on marriage or genes

Lone parent family: Lone parent (either gender) with dependent children

Modified extended family: An extended family living apart but still in communication via phone, email, Skype etc.

Monogamy: A married couple of the opposite sex, who have sexual relations with each other

Nuclear family: A family consisting of an adult male and female with one or more children (including adopted)

Polygamy: A marriage involving two or more wives or husbands

Reconstituted family (blended family): A family formed out of another relationship, otherwise known as a step-family

Symmetrical family: Authority and household tasks shared between male and female partners