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Growth And Demography: The Consequences Of Population And Demography

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1.0 INTRODUCTION
Population and demography are two closely related terms and for the purpose of this study we define them for better understanding. Population- according to dictionary.com is defined as the total number of persons inhabiting a country, city, or any district or area while
Demography has been described as the "quantitative study of human populations" (Ross 1982).
Population growth refers to the increase in the total number of individuals in a population. It is determined by the number of births, number of deaths and inflow or outflow of people from that locality. The scientists have gone further to quantify it using various parameters e.g. population growth rate.
Population growth rate is the change in population over a unit time period, usually expressed as a percentage of the number of individuals in the population at the beginning of that period. If there is increase in population, the population growth rate will be positive and a negative growth rate shows that population is decreasing.
World population growth
The World Population is the total number of living humans on earth on a given time . As 9th Feb. 2010 , the earth’s population is estimated by UNITED NATIONS CENSUS BUREAU to 6,801,600,000 . The fastest rates of the world population growth is above 1.8 % , were seen briefly during the 1950’s , then for a longer period during 1960’s and 1970’s 1.1 SIGNIFICANCE OF THE CONCEPT
Population is a
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