Many passengers sat on the cramped seat on a train, car ... has certified the world's population is increasing.
According to the UN, world population will reach 7 billion official who came here on 31/10. Thus, for over 50 years, the number of people on the planet has increased more than the world doi.Dan growing with rapid pace: from $ 1 billion to reach in the early 19th century, after 125 years has doubled and continues to increase exponentially. Population growth mainly in developing countries. The largest number of people living in China and India. According to the UN, in the top 10 in population, only three developed countries are Russia, America and Japan.
Let the world see how cramped circumstances:
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