The charts below show the changes in ownership of electrical appliances and amount of time spent doing housework in households in one country between 1920 and 2019.

The two line graphs illustrate the percentage of electrical appliances used in households and the amount of

time

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spent doing

housework

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per week between 1920 and 2019. In general, what stands out from the figures is that the

usage

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of refrigerators increased significantly,

while

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the number of hours spent on

housework

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decreased dramatically during the given period. In the first graph, the

usage

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of refrigerators was lower than that of other appliances in 1920.

However

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, the

usage

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of refrigerators rose significantly until 1980, reaching a peak of about 100

percent

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per cent

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. After that, it remained constant from 1980 to 2019. As for the washing machine, it stood at about 40% in 1920,

then

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rose gradually and amounted to 70% in 1960.

Thereafter

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, it went down slightly and

then

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returned to the same level as in 1960.

In contrast

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, the trend for the vacuum cleaner was similar to that of the refrigerator. Since 1920, the figure increased gradually, starting at 30%, and climbed to 100% in 2000; after that, it levelled off for almost two decades.

On the other hand

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, the

time

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spent on

housework

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declined gradually from 50% to less than 20% over the period 1920–1980. From 1980 to 2019, weekly

housework

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time

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plateaued between 10 and 20%. To summarise, household appliance

usage

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rose dramatically,

while

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time

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spent on

housework

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fell steadily.