About Population

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Title Population
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A population is the collection of inter-breeding organisms of a particular species; in sociology, a collection of human beings. Statistical study of human populations occurs within the discipline of demography. This article refers mainly to human population. As of 2 May 2010, the world population is estimated by the United States Census Bureau to be 6.818 billion. According to papers published by the United States Census Bureau, the world population hit 6.5 billion (6,500,000,000) on 24 February 2006. The United Nations Population Fund designated 12 October 1999 as the approximate day on which world population reached 6 billion. This was about 12 years after world population reached 5 billion in 1987, and 6 years after world population reached 5.5 billion in 1993. However, the population of some countries, such as Nigeria and China is not even known to the nearest million, so there is a considerable margin of error in such estimates. Population growth increased significantly as the...
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