the data presents the percentages of the population aged 65 and over from 1940 to 2040 in three different countries which are japan, sweeden, and usa. as shown usa was taking the lead at the begining with nearly 10 percent in 1940 and slowly increasing and decreasing until its at 23 percent in 2040 being the lowest even though it was the highest proportion in 1980 with 15 percent while the remaining countries are at 14 and 3 percent at the time it as USA kept its score for nearly 40 years at 15%.
on one hand there is sweeden starting off with 6-7 percent and increasing all the way to 20% then dropping to 17-18 % in between 2020 and 2040 but it continues to increase by time and be in the second place after japan also sweeden took the lead in 2020 with 20% of people aged 65 and above making it the highest percentage from 1940 and 2020.
on the other hand there is japan being the least country with people aging 65 and more decreasing over the time and being on rock bottom in 1980 but then slowly increasing until 2020 till its the highest country rating with elderly people being alive and healthy with more than 25 %.
