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 first line graph presents the percentages of

households

in one particular country that owned three types of electrical appliances from 1920 to 2019,

while

the second graph illustrates the

time

spent on

housework

in the average household during the same period.

Overall

, ownership of these appliances increased during

this

period, with refrigerators showing the fastest increase by 1980. At the same

time

, the amount of

time

spent on

housework

decreased continuously from 1920 to 2019. In 1920, washing

machine

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machines

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were the most common of the three appliances, with ownership reaching 40% of

households

.

This

number

then

had risen to over 70% by 2019, despite a small dip in 1980.

By contrast

, nearly a third of

households

owned vacuum cleaners in 1920. Even though it experienced a gradual increase, it did not reach 100% until 2000. As for refrigerators, very few

households

owned one in 1920.

However

, ownership climbed rapidly, and by 1980, there was one in almost every household.

Households

spent 50 hours per week doing

housework

in 1920.

Afterward

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Afterwards

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, the

time

continued to decrease significantly until 1980. After that, the

time

spent on

housework

saw only a small drop and reached slightly over 10 hours per week in 2019.