Changing family and living schedule. There has been a substantial increase in the cohabitation, divorce rate, non-marital births, and increased female participation in the labour force. Additionally, married couples having one earner make up only 15 % of all households. The dual-earner households have become much more general-the additional income is frequently necessary for family to pay their bills. Therefore, older have replaced stereotypical family of the year 1950s, working parents with much less time available.