The line graphs illustrate the changes in ownership of electrical appliances and the amount of time spent doing housework per week in households in a specific country over the period from 1920 to 2019.
Overall, there was a significant upward trend in the ownership of electrical appliances such as washing machines, refrigerators, and vacuum cleaners over the years. Concurrently, the number of hours spent on housework per week exhibited a steady decline.
In terms of electrical appliances ownership, the percentage of households with washing machines experienced a gradual increase, starting from 0% in 1920 to 90% in 1960, and ultimately reaching 100% in 2019. Similarly, the ownership of refrigerators displayed a consistent rise from 0% in 1920 to 100% in 1980, with a more rapid increase between 1940 and 1960. Furthermore, the prevalence of vacuum cleaners also demonstrated a steady growth, reaching 100% ownership by the year 2000. Moreover, from 1920 to 1980, there was a marked increase in ownership, with a more gradual trend in the subsequent years.
Regarding the amount of time spent on housework per week, there was a substantial decline over the years. In 1920, households spent 50 hours per week on housework, which then decreased to 40 hours by 1940, 30 hours by 1960, and further dropped to 20 hours by 1980, with a stabilization at 15 hours from 2000 to 2019. It is evident that there has been a consistent reduction in the number of hours allocated to household chores over the past century, reflecting the impact of technological advancements on domestic labor.