The graph below shows the proportion of the population aged 65 and over between 1940 and 2040 in three different countries. Summarise the information by selecting and reporting the main feature and make comparisons where relevant.

The line graph illustrates the percentage of elderly aged 65 and over in three countries,namely the USA,Sweden, and Japan, from 1940 to 2040.

Overall

, it can be seen that the figures for the public in the three countries revealed an upward trend during the period

while

the total of individuals in the USA and Sweden had a variety of adjustments throughout the period, with a slightly different variation of ratio. Regarding Japan,the proportions of citizens accounted for 5% of the total and

then

slowly declined over decades with a return to rise again after the year 1990.

Moreover

,the total of individuals skyrocketed

at the end

with a double in comparison to the previous over a decade, varying from one in ten to a quarter during the years.

According to

the USA,the resident number of elderly populations gradually increased over 40 years with a slight decrease after the year 1980. With regard to Sweden, there were a variety of fluctuations throughout the time,reaching a peak at a quarter by 2040.