Description: Africa's Population is Growing Fast: Why is the West Worried?, Overpopulation & Africa, As World Population Tops 8 Billion, Africa's Most Populated City Keeps Growing, Is Africa ready for its population boom? | CNBC Explains
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A population is a summation of all the organisms of the same group or species , which live in a particular geographical area , and have the capability of interbreeding.
In ecology, the population of a certain species in a certain area is estimated using the Lincoln Index . The area that is used to define a sexual population is defined as the area where inter-breeding is potentially possible between any pair within the area. The probability of interbreeding is greater than the probability of cross-breeding with individuals from other areas. Under normal conditions, breeding is substantially more common within the area than across the border.
In sociology , population refers to a collection of humans . Demography is a social science which entails the statistical study of human populations. This article refers mainly to human population.