the line graph illustrates the percentage of citizens who aged 65 or above in three various nations from 1940 to 2040

overall, it is clearly shown that the proportion who aged 65 or above in the USA and Sweden increase from 1940 to 2040 with a slight drops in between whereas that in Japan decreases starting from 1940 to 1980 before a sharp rise in the number of elderly people in that country.
initially, in 1940 there was a higher percentage of older people living in the USA than Sweden, it was than the followed by Japan with only 5 percent. In the USA, there was an increasing