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APHG Population

TermDefinition
Population Density Population per area.
Demographic Regions Regions grouped together by the stage of the demographic transition model that most countries in the region are in.
Population Distribution How population is spread out in an area.
Natality - Birth rate The number of live births divided by the population.
Mortality - Death rate The number of deaths per thousand people.
Population Explosion The rapid growth of the world's human population during the past century.
Zero population Growth (ZPG)/Stationary population level When birth rate is equal to death rate.
Age Distributation A model used in population geography that describes the ages and number of males and females within a given population; also called a population pyramid.
Population pyramid/ Age-sex Pyramid A bar graph representing the distribution of population by age and sex.
Cohort a category of people with something in common, usually their age. (like a generation)
Sex Ratio The amount of males to girls in a population.
Gendered Space Areas or regions designed for men or women.
Standard of Living The quality of life based on the possession of necessities and luxuries that make life easier.
Infant Mortality Rate The number of deaths in the first year of life for every 1,000 live births.
Diffusion of fertility control The diffusion of fertility control is spread throughout the world.
Maladaptation An adaptation that is less helpful than harmful; It can also signify an adaptation that, whilst reasonable at the time, has become less and less suitable and more of a problem or hindrance in its own right, as time goes on.
Sustainability The ability to keep in existence or maintain. A sustainable ecosystem is one that can be maintained.
Demographic equation (change) An equation that summarizes the amount of growth or decline in a population within a country during a particular time period taking into account both natural increase and net migration.
Dependency ratio The number of nonworking members compared to working members for a given population.
Rate of natural Increase Birth rate minus the death rate, suggesting the annual rate of population growth without considering net migration.
Doubling time The number of years needed to double a population, assuming a constant rate of natural increase.
J-curve Exponential growth curve.
S-curve Logistic growth curve.
Ecumeme The portion of Earth's surface occupied by permanent human settlement.
Overpopulation The number of people in an area exceeds the capacity of the environment to support life at a decent standard of living.
Under population Circumstances of too few people to sufficiently develop the resources of a country or region to improve the level of living of its inhabitants.
Carrying capacity largest number of individuals of a population that a environment can support.
Population Projection a statement of a population's future size, age, and sex composition based on the application of stated assumptions to current data
Demographic momentum The tendency for growing population to continue growing after a fertility decline because of their young age distribution. This is important because once this happens a country moves to a different stage in the demographic transition model.
Created by: Ptolemy