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Physiological Population Density
The number of people per unit of area of arable land, which is land suitable for agriculture.
Term used to designate large coalescing supercities that are forming in diverse parts of the world.
The rapid growth of the world's human population during the past century, attended by ever-shorter doubling times and sccelerating rates of increase.
Population growth measured as the excess of live births over deaths; does not reflect either emigrant or immigrant movements.
High birth rates and death rates are followed by plunging death rates, producing a huge net population gain, this is followed by the convergence of birth rates and death rates at a low over-all level.
Structure of population in terms of age, sex and other properties such as marital status and education.
Infant Mortality Rate
The total number of deaths in a year among infants under one year old for every 1000 live births in a society.
Child Mortality Rate
A figure that describes the number of children that die between the first and fifth years of their lives in a given population.
Immune system disease caused by the HIV which over a period of years weakens the capacity of the immune system to fight off infection so that weight loss and weakness set in and other affliction such as cancer or pneumonia hasten an infected person's demise.
Generally long-lasting afflictions now more common because of higher life expectancies.
Expansive Popluation Policies
Government policies that encourage large families and raise the rate of population growth.
Restrictive Popluation Policies
Government policies designed to reduce the rate of natural increase.
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