The provided charts illustrate the changes in the ownership of electrical appliances and the amount of time spent on housework in households in a particular country from 1920 to 2019.
Overall, the percentage of households owning washing machines, refrigerators, and vacuum cleaners increased steadily over the years, with all three reaching 100% ownership by 2019. Concurrently, the number of hours spent on housework per week saw a significant decline from 50 hours in 1920 to approximately 15 hours in 2019.
At the outset in 1920, ownership of all electrical appliances stood at below 50%, with washing machines being the most prevalent at 40% and refrigerators the least prevalent at nearly 0%. Subsequently, the ownership of all three appliances experienced a continuous upward trend, with refrigerators surpassing washing machines and vacuum cleaners in 1960 at 90%. By 1980, refrigerators had reached full ownership (100%) and the percentage of washing machine ownership slightly decreased to around 62%. Vacuum cleaner ownership also achieved full ownership by 2000.
Additionally, the amount of time spent on household chores witnessed a significant reduction over the years. In 1920, the average weekly hours spent on housework was 50, decreasing to 40 by 1940, 30 by 1960, and further declining to 20 hours per week by 1980. Eventually, this dropped to approximately 15 hours per week by 2019.