A glance at the line graphs provided reveals how the percentages of households owning electrical devices in a country transformed during a century, commencing from 1920 to 2019 and the number of hours spent doing the home chores per week.
Overall, it is readily apparent that due to the increase in ownership of electrical appliances, the amount of time the weekly housework required to be done declined steadily over the given timeframe. Furthermore, it is worth noting that namely refrigerators and washing machines were the most popular among the citizens of the country.
According to the first graph, the prevalence of washing machines in households stood at 40% in 1920, steadily climbing to approximately 75% by 2019, notwithstanding minor fluctuations between 1960 and 1980. Initially, vacuum cleaner ownership began at 30%, while virtually no families possessed a refrigerator. However, both ownership rates saw remarkable growth, with the latter surpassing the former since 1940. Notably, within the last two decades (2000-2019), all households in the country boasted both refrigerators and vacuum cleaners.
In contrast to the general upward trend in the usage of electrical appliances, the second line chart indicates a corresponding downward trend in the time spent on housework throughout the given period. The number of hours spent on washing clothes, cooking meals and cleaning fell significantly from 50 hours per week in 1920 to 20 in 1960. By 2019 the figure had declined by half to only 10 hours per week.