A population is a summation of all the organisms of the same group or species, which live in the same geographical area, and have the capaCbility of interbreeding.China population was 136781000.Pakistan population was 188099000 etc.there was 7 billion people life in whole year.in 2100 the world population hit 11 billion which is to much.in a day there was 400,000 baby born in a day.which help in to increase the ratio of world.Population in the world is currently growing at a rate of around 1.14% per year. The average population change is currently estimated at around 80 million per year.In 2009, the human population increased by 74.6 million, which is projected to fall steadily to about 41 million per annum in 2050,different has different measurements about population
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