Explanation
In 1999, less than 30 years later, the population doubled to 6 billion. The main reason for this growth was that with better food supplies and medicine, deaths were reducing, while the number of births still remained fairly high.
More than 90% of the world's population lives in about 10% of the land surface. The 10 most populous countries of the world contribute about 60 percent of the world’s population.
Table presents the trends in population growth in India during the hundred years from 1901 o 2001. The rate of growth in India’s population remained very low till 1921, and in fact, the rate of growth was negative during 1911-21. India’s population recorded a virtual shrink in its size in the wake of influenza epidemic, which had struck in 1919. It has been estimated that the epidemic claimed the life of nearly 7 per cent of the population in the country.
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