Nowadays there are many different types of family compared to 50 years ago when the ‘nuclear’ family, considered the ‘normal’ one, was the most dominant type. Affected by the advancement of many aspects, particularly technology, communication and globalization, the main changes have been changes to marriage and partnership as well as changes to children and families. In respect to changes to marriage fewer people, who are getting married later in life, are getting married nowadays with higher divorce rate. However, in regard to partnership, more couples are now living together without marriage –co-habitation with an increased number of same sex couples who are becoming more and more legally recognized in developed countries such as European, North Americans and Australia as well as more people are living alone. On the other hand, changes to children and families are noticed through women are having fewer or no children with more births outside marriage. With focus on the Lebanese society compared to the society in developed countries, this paper addresses the changes that occurred to family types in contemporary societies as the main social aspects that led to these changes.