These are known as Individualistic Cultures.
In such cultures, there is huge importance on the rights of each person. These include social rights, rights to privacy, business, freedom of expression etc.
In such cultures, the right of one person is as more important than the right of a certain group of people.
Such cultures celebrate the individual life and emphasize the importance of knowing one-self and being self-sufficient.
Most of Western Europe and Northern America is seen as an individualistic culture, where family values are not that strong.
In contrast, Eastern cultures highly emphaize the importance of a collective, group mentality, where family, creed and race are highly celebrated.