Is the nuclear family universal nowadays?
Nuclear family consist a husband and wife and one or more children, own or adopted, it is defined by Murdock, and according to him, he believed that the nuclear family is 'a universal social grouping.'
There are statistics shows the development of diversity of family, such as cohabiting, lone-parent, reconstituted, gay and lesbian families. In Britain, 26% of families with dependent children were headed by lone parents in 2000(Social Trends,2002), 24% of non-married men and women under 60 were cohabiting in 2005.(Social Trends,2007) and etc. In Asia, around 20% of families are extended families.