The diagrams detail the changes in percentage of households owning electrical appliances and length of time fulfilling household chores in a certain country during the span between 1920 and 2019. Overall, the popularity of refrigerator demonstrated the strongest growth despite the lowest begining figure, followed distantly by vacuum cleaner, and washing machine displayed the slightest increase with fluctuations. The number spent on housework during 1920 and 2019 reduced steadily in accordance with the popularity of technological facilities.
Concerning the percentage of households with electrical appliances, washing machine started with the highest portion of 40% at the beginning of the period and moderately climbed to 70% in 1960, when it was surpassed by the other two categories, and after dipping to approximately 65% in 1980, it moderately elevated to around 75% at the end of the period. Refridgerator, though starting from almost 0 in 1920, quickly boosted to 90% in 1960 and fulfilled the complete occupation in all households in 1980 until the end of the timeline. Vacuum cleaner demonstrated medium growth, initiating with 30% at first, steadily rose to 70% in 1960 and reached 100% in 2000, a figure that lasted to the final stage.
Regarding the number of hours of weekly domestic chores, the figure started from 50 in 1920 and declined drastically to 20 in 1960, and subsequent decrease appeared moderate, with the number landing slight above 10 in 2019.