The line graphs highlight and compare the shifts in the proportions of electrical appliances that households owned, as well as the time allocated for housework per week from 1920 to 2019, examined in a particular country.
Overall, the ownership of electrical appliances saw a significant growth over the years, with refrigerators undergoing the most noticeable increase. This tendency led to a constant drop in terms of hours spent on housework.
Regarding electrical appliances, it is apparent that the proportion of refrigerator ownerships skyrocketed to 90% in 1960, despite not having been introduced to the particular country until 1920. After 20 years, every household was reported to own at least one refrigerator. and this tendency continued until 2019. Similarly, ownerships of vacuum cleaner underwent a constant increase in their figures, reaching its peak at 100% after 80 years from 1920. In stark contrast, although having exceeded as the most popular appliance, washing machine ownerships saw marginal increases, barely reaching 80% of families by 2019.
For the hours allocated for housework every week, households of the examined country were reported to tremendously cut down on their time for these tasks. With an initial number of 50 hours per week, the figure sharply declined, reducing by more than a half in 1960 and touched its rock bottom in 2019 at 10 hours a week.