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Given figure illustrates the rates of population among four countries in 1999, 2002 and 2050 at predictation.
It easy to see that in 1999, china ranked the highest position by getting 23 percentage of total population of the world., followed by India with 15 percentage. Hoever, that figure of china has been sliding away dramatically, especially, from 2002 until at 15 percentage in 2050. Likewise, another east asia country-japan has moderate reduction in population from 2,5 percentage to merely 1 percentage in 2050.
It is evident that the proporation of resdents in America compared to that figure of the world is likely to be unchaged during the period from 2002 to 2050. According to projections for 2050, India will kick off China to reach the first rank for percentage of total of world population with 18 percentage.
Also noteworthy is the fact that the population growth of India enjoys the upward trend, conversely, the rest countries see the significant falls years by years.