The line graphs present the differences in possession of electrical products in the household and the total amound of time spending on housework per week in a particular country from 1920 to 2019.
Overall, the number of technical appliances in family witnessed a upward trend over a nearly 100-year period. In contrast, the weekly number of hours people spending on doing chores experienced a significant decrease.
The number of families with refrigerators increases the most significantly, reaching from nearly 0 percent in 1920 to 100 percent after 60 years, and remains the same in the next 40 years. Following the same pattern, the percentage of households owning the vacuum cleaner also saw a considerate growth, starting from 30 percent to 100 percent in 2000 and the following years. The rate of washing machine owners grew by 20 percent between 1920 and 1940, before shrinking by approximately 10 percent in 1980. After that, the figure experienced a slight increase from 1980 to 2019.
In contrast, the number of hours being spent on doing household chores per week decreased consistently between 1920 and 2019. In 1920, people spent 50 hours weekly to complete housework, but this number drastically dropped by 30 hours in 1960. In the next 79 years, the number steadily decreased, resulting in the modest 10 hours spent on doing chores in 2019.