Population and Migration - Key Terms

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Population Structure
The proportion of people in each age group compared to other groups.
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Baby Boom
A period of greatly increased birth rate during a certain period, and usually within certain geographical bounds.
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Ageing/Greying Population
A demographic characteristics that occurs in the developed world, where the proportion of the population aged 65+ increases steadily over time.
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Counter Urbanisation
The growth of rural settlements due to the movement of people out of urban and suburban areas. This leads to the creation of suburbanised or dormitory villages.
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Birth Rate
The number of births per thousand population.
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Demography
The study of population dynamics.
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Intervening Obstacle
Barrier to a migrant such as a political border or a physical feature.
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Death Rate
The number of deaths per thousand population.
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Dependency Ratio
The ratio of the economically dependent part of the population (0-15 and over 64) to the productive part (those aged 16-64).
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Fertility Rate
The average number of children women have in a given population.
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Infant Mortality
The number of deaths of children aged up to 12 months per thousand live births.
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Migrant
A person who moves from one place to another - temporarily, seasonally or permanently.
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Net Migration
The numerical difference between immigration and emigration in an area.
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Megacity
A metropolitan area with a total population of more than 10 million people.
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Mortality
The number of deaths in an area in any given period. The mortality rate is the number of deaths per thousand population.
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Political Migration
The movement of people motivated by political interests. It may be individuals fleeing from governments with whom they disagree or who threaten their life or livelihood, towards countries with more friendly governments.
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Economic Migrant
A migrant whose primary motivation is to seek employment.
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Push and Pull Factors
The factors that encourage people to migrate. Push factors are negative factors operating at the area of origin, driving people away.
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Remittances
The money sent back by economic migrants to their country of origin.
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Source Region
A place that people move from.
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Intervening Opportunity
An alternative migration destination that exists between the migrants' place of origin and intended destination.
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Natural Increase
The difference between the birth rate and death rate, usually converted into a percentage.
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Urbanisation
A movement of people from rural to urban areas.
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Social Mobility
The movement of individuals between different levels of social hierarchy, usually measured occupationally.
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Displaced Persons
People who are forced to move, by war, famine, political persecution or natural disaster.
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Voluntary Migrants
People who move for quality of life reasons, usually economic gain.
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Illegal Migrants
People who avoid border controls and immigration controls and enter a new country illegally.
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Internal Migration
The movement of people between different regions within the same nation.
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Card 2

Front

A period of greatly increased birth rate during a certain period, and usually within certain geographical bounds.

Back

Baby Boom

Card 3

Front

A demographic characteristics that occurs in the developed world, where the proportion of the population aged 65+ increases steadily over time.

Back

Preview of the back of card 3

Card 4

Front

The growth of rural settlements due to the movement of people out of urban and suburban areas. This leads to the creation of suburbanised or dormitory villages.

Back

Preview of the back of card 4

Card 5

Front

The number of births per thousand population.

Back

Preview of the back of card 5
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