The charts show changes in household appliance ownership and time spent on housework from 1920 to 2019.

The charts show changes in household appliance ownership and time spent on housework from 1920 to 2019. As electrical appliances became more common, the time spent on housework dropped considerably, suggesting that these appliances helped reduce household chores. The first chart illustrates the percentage of households with washing machines, refrigerators, and vacuum cleaners. In 1920, refrigerators were the least common, owned by about 5% of households,

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washing machines and vacuum cleaners were at around 40% and 30%, respectively. By 1980, refrigerators and vacuum cleaners

became

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had become

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nearly universal, reaching 100% in 2000,

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washing machines grew more slowly, reaching about 75% in 2019. The second chart shows that time spent on housework significantly decreased. In 1920, households spent about 50 hours per week, but

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number fell sharply to around 20 hours in 1960 and continued to decline, reaching about 10 hours in 2019.