The proportion of population aged 65 and over in America (9%) was the highest in these countries in 1940, this figure saw a slow growth, rising from 9% to 15% between 1940 and 1980. Although this rate declined slightly during 1980 to 2017, it is predicted increasing to 23% in 2040
By contrast, the percentage of people aged 65 and over in Japan (5%) was lower than any other countries. In 2030, this figure is predicted to 10%, after which it is expected to rise rapidly to 27% in 2040, overtaking that of the USA and that of Sweden.
There was 7% Swedish aged 65 and over in 1940. This figure showed a marked