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

The line chart presents the percentage of people aged 65 and over in three countries, namely the USA, Sweden, and Japan, over a 100-year period.

Overall

, it can be seen that the proportion of the

population

aged 65 and over increased, and it is projected to continue increasing until 2040. In detail, the highest percentage of

population

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the population

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in 1940 was in the USA, under 10% of the elderly, and

then

slowly increased in 1960, around 10%. The

population

was an increase of around 15% in 1980, slowly dropped in 2000, remained stable in 2020, and was projected to increase in 2040 by over 20%.

Similarly

, in 1940, the proportion of elderly people in Sweden was over 5%, slightly increased in 1960 to just under 10%, fluctuated until 2020, and forecasted an increase in 2040 of around 25%.

Conversely

, in 1940, the proportion of the

population

aged 65 in Japan was around 5%, slightly decreased in 1960 to just under 5%, and remained stable 20 years later. In 2000, the number of elderly people in Japan was slowly increasing, and they projected that it would rocket in 2040 to over 25%.