Sociology

It has often been presumed that extended family groups sharing a single household enjoy certain advantages, such as a greater sense of security and belonging due to sharing a wider pool of members to serve as resources during a crisis, and more role models to help perpetuate desired behavior and cultural values. However, it should be noted that even in cultures where adults are expected to leave home after marriage to begin their own nuclear-based households, the extended family often forms an important support network offering similar advantages. Particularly in working-class communities, grown children tend to be establishing their own households within the same general area as their parents, aunts, uncles, and grandparents. These extended family members tend to gather often for family events and to feel responsible for helping and supporting one another, both emotionally and financially.[8]

While contemporary families may be considered more mobile in general than in the past, sociologists find that this has not necessarily resulted in the disintegration of extended family networks. Rather, technological aids such as the Internet and social networking sites such as Facebook are now commonly used to retain contact and maintain these family ties.[9]

Particularly in the case of single-parent households, it can be helpful for extended family members to share a single household in order to share the burden of meeting expenses. On the other hand, sharing a household can present a disadvantage depending on the sizes and number of families involved, particularly when only a few members shoulder most of the responsibility to meet expenses for the family's basic needs.[10]

An estimated 49 million Americans (16.1% of the total population) live in homes comprising three or more generations, up from 42 million in 2000. This situation is similar in Western Europe. Another 34 percent live within a kilometer of their children.[11]