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

The given line chart provides information on the elderly population in percentages (People aged 65 and over) in three particular areas: the USA, Sweden and

Japan

in the span of one century from 1940 to 2040.

Overall

, the data depicts an upward trend in those three countries. At the beginning of the period, the USA had the largest population followed by Sweden and

Japan

.

However

,

Japan

replaced that place

at the end

of the period, becoming the most dominant proportion

according to

prediction. In 1940, around 9% elderly population

lived

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living

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in the USA and

this

gradually increased year by year reaching its peak at 15% in 1980 before decreasing slightly to approximately 14% in 2020.

However

, the chart predicts that a sudden increase will happen at about 23% in 2040.

In contrast

, Sweden experienced a gradual ascend from less than 6% to 25% in 1940 and 2040, respectively.

In addition

, between 1980 and 2000,

this

category overlapped the USA’s proportion, making it the most dominant before

Japan

exceeded it in 2040.