The graph below shows the proportion of the population aged 65 and over between 1940 and 2040 in three different countries.

The line chart provides data on the percentage of citizens whose age aged 65 and over from 1940 to 1980 in Japan,

Sweden

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, and the

USA

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. The

USA

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had the highest percentage of the elderly until the 1980s and

Sweden

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was following

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followed

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with a gap of 1-2%. The

USA

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fell slightly to just below 15% in 2020 before being expected to increase drastically to nearly 28% in 2040. As for

Sweden

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, it experienced a fluctuation and is forecasted to end at just beyond 25%.

On the other hand

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, Japan had the lowest starting point at 5% in 1940 yet it experienced a slight fall at around 3% to 4% from

then

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until the 1980s. the number bounced back to its first position in the 2000s and continued to rise gradually until the 2020s. The old population is predicted to surge to approximately 27%

at the end

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of the period and it becomes the country with the highest number of aged people compared to

Sweden

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and the

USA

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.

Overall

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, the proportion of the population aged 65 and over in all three countries generally moved upwards. The difference in percentage between all three countries

at the end

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of the period is relatively low.