The provided chart depicts information regarding the aggregate rate of the world population by comparing four countries from 1950 to 2002 and estimating the future rate in 2050. Overall, it is evident that in the three main periods shown, India and China have embedded the highest percentage of the population, while Japan ranked last.
As can be observed, In 1950, about 23% of the total world population was in has dwelt in China, compared with the insignificant rate of Japan with about 4 percent. In this year, 15% of the aggregate rate of the world crowd lived in India and approximately 7 percent was the share of the USA,
By 2002, China again ranked first with a fifth of the total population of the world and India was located in the second ranking with 17%. In the mentioned year, both shares of the USA and Japan have been lower, while the percentage of the former was 5%, the latter’s figure was 3% of the total population.
It is obvious that by 2050, it is predicted that about 19% of the world’s population will dwell in India and 15% will be in China. Also, as estimated, the figure for the USA will remain static in 2050, however, this rate for Japan is going to be reduced considerably to about 1%.
What stands out in this chart is that, although the aggregate rate of India has been growing, Japan’s rate has pursued a completely reverse pattern.