The graph below shows the proportion of the population aged 65 and over between 1940 and 2040 in three different countries. Summarize the information by selecting and reporting the main features and make comparisons where relevant.

The line graph illustrates the percentage of elderly people in three different countries, the

USA

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,

Sweden

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, and

Japan

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, over the years 1940-2040. From an

overall

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perspective, the highest value can be seen for

Japan

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in 2040.

However

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, the other graphs saw modest fluctuations. In

Sweden

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, the line moved up to 20 per

cent

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in 2015 and went down again before peaking in 2040. In 1940, the

USA

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was almost 10 per

cent

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,

while

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Sweden

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and

Japan

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hit their lowest proportion. In the following four decades,

Japan

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dropped slowly to remain plateaued. Since

then

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, the increment in the

USA

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rose slightly to 15 per

cent

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. Interestingly,

Sweden

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's figure went into an upward trend to less than a fifth. In

Japan

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, the number increased dramatically and peaked at almost more than a quarter

at the end

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of the span.

Likewise

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,

Sweden

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's modest change hit 25 per

cent

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. The

USA

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,

in contrast

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, fell

then

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rose sharply after 2020. Since

then

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, the increase has been swift to roughly 22 per

cent

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.