The line graph compared the proportion people aged 65 or more in three contries over a period 100 years.
Obviously. The proportion of elderly people increase in each contry between 1940 and 2040. Japan is expected to see the most enormous in its elderly population
In 1940, around 9% of Americans were aged 65 or over, compared to about 7% of Swedish people and 5% of Japanese people. .The proportion of elderly people in the USA and Sweden grew significant over the next 50 years, stood at just under 15% in 1990. By contrast, the figures for Japan remained below 5% ultil the early 2000s.
Looking into the future, an abrupt rise in the percentage of elderly people predicted for Japan, with a surge of over 15% in just 10 years from 2030 to 2040. By 2040, Estimates show that around 27% of the Japanese population will be 65 years old or more, while the figures for Sweden and the USA will be moderate rise, at about 25% and 23% respectively