the graph below shows the proportion of the population aged 65 over between 1940 and 2040 in three different countries. v.1

The illustration indicates percentage of old people aged 65 and over in all citizen in the past, present and for prediction future – from 1940-2040 in Japan, Sweden and the U. S. A. A glance at the feature provided reveals the number of individuals aged 65 and over is generally rising gradually but more drastically from 2030s. The aged populace would be rocket up to a quarter in all given countries. However, a various changes was took in the periods, in 2040 the percentages of the older people in citizens might be same. As regard of Sweden and the U. S. A, in the 1940 the elder people had occupied around 9% and 7% respectively in all populations, merely 2% difference. But, by the 1990s Sweden’s the senile residents had overtook the U. S. A’s residents, then in 2010s distinction between had become larger – approximately 16%. However, the calculation presumed from the 2025s the countries elder citizens difference between them would narrow down, and the growth of older people would also steadily rise to about 25% in the both nations until 2040. On the other hand, the elders in Japan was only 5% of citizens in 1940. 20 years later the residents had decreased to marginally 3% then continued until 1990s. In next 30 years the rise of the senile is showing uniform increment, maybe standing at 10%. Surprisingly, the number of the elder people would be jumping from 10-27% in only 10 years period time which means 2040.