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 line graphs show data on the ownership of

household

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devices and the duration of housework done by families in a country between 1920 and 2019.

Overall

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, the possession of

household

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machines

had

Wrong verb form

has

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significantly increased since 1930, with refrigerators and vacuum cleaners being owned by every family.

As a result

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, the amount of housework needed to be done by people declined proportionately.

According to

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the first graph, refrigerators were a rare commodity in houses in 1920, but their presence soared afterwards. Since 1980, every family in

this

Linking Words

country

had been owning

Wrong verb form

has owned

show examples

this

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device at home. A similar, but much smoother trend can be observed with vacuum cleaners, which were present at 3 of ten houses a century ago but are now held by 100% of all homes.

Lastly

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, washing machines were owned by 40% of families in 1920 and reached 70% in just four decades. These days, it has remained just over 70%. The second line chart indicates a direct correlation between the acquisition of essential

household

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tools and the amount of work required to be done at home.

Household

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work amount dropped dramatically from a high 50 hours per week in 1920 to a mere 10 hours per week in 2019.