The ratio of the community aged 65 and over from 1940 to 2040 in three various provincials is illustrated by table.
Overall, when looked at the graph in general, the percentage of Japanese population had an increase trend. The ratio of USA, on the other hand, had a tardy rise trend. The ratio of Sweden who aged 65 and over had the second highest increase trend.
When looked at the graph in detail, the proportion of population who were japanese aged 65 and over went up quite slowly from 5% percentage proportion to 16% percentage proportion between 1940 and until 2030. Then, rate of Japanese population who were aged 65 and over rose sharply between 2030 and 2040. The ratio of USA population who aged 65 and over uprised approximately 9% to approximately 24% ratio from 1940 2040. Besides that, from 1970 to 1980 and from 2025 to 2040 were increased heavily. The rate of Sweden community aged 65 and over rose like as a step by step about 7% to 25% percentage from 1940 to 2040.
