percentage of population of over aged people 65 years and above in 19940 to 2040 in 3 different countries

This line chart depicts the population ratio of elderly people above 65 in three nations during 1940 and till the upcoming 2040 in the future. It is clear from the graph that Japanese people will have the major raise in the percentage of aged people. According to what is shown, USA and Sweden illustrate a similar pattern. In both countries a significant raise from 7-9 to 13-15 respectively in the first 4 decades. After a small sink in America and Sweden, USA remained levelled while the other soared from 13% to 20% in 2017. However, both populations are projected to rocket up to 25 and 23 in Sweden and USA respectively. On the other hand, Japan, dipped gradually till it remained constant at 3 per-cent from 1940 to 1990. Meanwhile, a sudden climb toke place by 2% till 2007. The proportion will rocket significantly till it reaches its peak at 27% after a gradual raise in beforehand. To sum up we could say that, Japan had much lower population than the other two countries except in the last decade.