The average amount of years a person can expect to live
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Longevity
– the increase of life expectancy over a period of time. This can be as a direct result of improved medical care and increased levels of economic development. People live longer and this increases the older population.
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Natural change
the change in size of the population due to the interrelationship between birth rate and death rate. If the death rate exceeds birth rate, the population will decline. If the birth rate exceeds death rate, the population will increase
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Fertility
the number of live births per 1,000 women between the ages 15-49 per year.
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Infant mortality rate
– the number of deaths of children under the age of 1 per 1,000 live births per year
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Net migration
the interrelationship if immigration and emigration
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Forced migration
the people have to move, they have no choice due to circumstances.
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International migration
when people cross state boundaries and stay in the host state for a minimum amount of time
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Population distribution
the way in which people are spread over an area
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Population density
the amount of people per specified area, for example per kilometre squared.
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Immigration
movement of people into a country
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Emigration
movement out of the country
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Migration
movement within a country
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Economic migration
to find work or persue a career path
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Social migration
to improve quality of life or to be closer to family and friends
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Political migration
moving to escape political persecution or war
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Environmental migration
moving to escape natural disasters such as flooding
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Refugee
someone who has left their home but doesn’t have a home to go to
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Optimum population
the population is such that it can maximise the benefits from the resources available. Optimum population is where the quality of life is maximised
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Over population
– population exceeds the amount of resources available. As long as there is over population, quality of life will decrease, leading to pollution and unemployment
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Under population
The population cannot fully utilise the resources available. Quality of life can only be slowly improved. An increase in population will lead to an increase in quality of life.
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Other cards in this set
Card 2
Front
– the increase of life expectancy over a period of time. This can be as a direct result of improved medical care and increased levels of economic development. People live longer and this increases the older population.
Back
Longevity
Card 3
Front
the change in size of the population due to the interrelationship between birth rate and death rate. If the death rate exceeds birth rate, the population will decline. If the birth rate exceeds death rate, the population will increase
Back
Card 4
Front
the number of live births per 1,000 women between the ages 15-49 per year.
Back
Card 5
Front
– the number of deaths of children under the age of 1 per 1,000 live births per year
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