Article on population

Article on population
  • 2 answers

Nancy Rajput 1 year, 6 months ago

Population growth is the change in a population over time, and can be quantified as the change in the number of individuals of any species in a population using "per unit time" for measurement. In biology, the term population growth is likely to refer to any known organism, but this article deals mostly with the application of the term to human populations in demography. Population growth rates might have declined, but in 2013 every 60 minutes there are another 8,000 people in the world: about 75 million every year.[1] In demography, population growth is used informally for the more specific term population growth rate (see below), and is often used to refer specifically to the growth of the human population of the world. Simple models of population growth include the Malthusian Growth Model and the logistic model. The world population grew from 1billion to 7billion from 1800 to 2011. During the year 2011, according to estimates, 135million people were born and 57million died, for an increase in population of 78million.[2]

Nancy Rajput 1 year, 6 months ago

Hiii

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