题目：The graph below shows the proportion of the population aged 65 and over between 1940 and 2040 in three different countries.
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The information given by the line chart is about the percentage of people aged 65 and over from 1940 to 2040 in three different nations (namely, Japan, Sweden and USA).
As we can see from the three-line chart, in 1940, USA had the largest proportion of elderly people aged 65 and more, taking up 10%. It increased to 15% during the next four decades, which was closely followed by a leveling off at 14%. However, it is estimated to see a dramatic increase to just under 25% in 2040. Similarly, the proportion of old people in Sweden was always lower than that of Japan. But, it exceeded the percentage of old people in Japan in 1995 and it is expected to hit 25% 40 years later, although there will be some fluctuation.
On the contrary, the proportion of people aged 65 and more in Japan saw a decrease from 5% in 1940 to about 3% in 1960 and it kept stable for over 20 years. Interesting, it is expected to grow dramatically and exceed that of Sweden and USA, shooting just over 25% in 2040, becoming the country which will house the most percentage of elderly people.
All in all, it is clear to see that there was and will be a clear difference in the proportion of elderly people aged 65 and more in the three countries.