MODEL ANSWER:

A comparison of top 10 most populated countries in the world in 2010 and it’s projection in 2100 are depicted in the given tables.

In general, a population swell is expected in most of the given countries and of these, the highest Spike would happen in Nigeria. It would accommodate 572 million people more than it was in 2010(158 million).The second highest growth rate is anticipated in India with 326 million expected addition to 1225 million in 2010. Between these years,population growth is predicted in the US. Pakistan and Indonesia (168,85 and 14 million from 310,174 and 240 million respectively).

However, the population forecast in China and Brazil is reported to decline. The former’s demography would sleep by 400 million from 1341 million,whereas the latter’s by 18 million from 195 million between the years.

Tanzania, Congo and Philippines are predicted to replace Bangladesh Russia and Japan and of these Tanzania would stand as the fifth most populated country in the world.

Overall, it is clear that the global population is expected to explode at least by a billion over these years.

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