Population Change Keywords

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Zero growth

a population in balance. Birth rate is equal to death rate, so there is no increase or decrease. 

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Natural decrease

 the death rate is greater than the birth rate 

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Exponential growth

a pattern where the growth rate constantly increases - often shown as a J-curve. 

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Birth rate

 the number of babies born per 1,000 people per year 

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Death rate

 the number of deaths per 1,000 people per year 

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Natural change

 the difference between birth rate and death rate 

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Natural increase

the birth rate is greater than the death rate 

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Life expectancy

the number of years a person is expected to live 

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Newly industrialised countries (NIC)

these include the Asian tigers as well as other emerging industrial nations such as Malaysia, the Philippines and China 

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Asian tiger

one of the fours east Asian countries of Hong Kong, South Korea, Singapore and Taiwan, where manufacturing industry grew rapidly from the 1960s to 1990s 

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Demographic Transition Model (DTM)

a model that shows changes in population information (birth and death rates and population growth) over a period of time 

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Replacement Rate

a birth rate high enough for a generation to be the same size as the one before it 

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Age structure

the proportions of each age group in a population. This links closely to the stage the country has reached in the demographic transition model. 

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Gender structure

 the balance between males and females in a population 

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Infant mortality

 the number of babies that die under a year of age, per 1,000 live births 

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Child mortality

 the number of children that die under five years of age, per 1,000 live births 

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Transmigration

a population policy that aims to move people from densely populated areas to sparsely populated areas and provide them with the opportunities to improve their quality of lives 

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Industrialisation

a process usually associated with the development of an economy, where an increasing proportion of people work in industry 

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European Union (EU)

a group of countries across Europe that work towards a single market i.e. they trade as if they were one country, without any trade barriers. 

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Push-pull factors

push factors are the negative aspects of a place that encourage people to move away. Pull factors are the attractions and opportunities of a place that encourage people to move there. 

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Migration

the movement of people from one place to another with the intention of staying for at least a year 

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Destination

 the country where a migrant settles 

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Country of Origin

the country from which a migrant moves from 

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Immigrant

 someone entering a new country with the intention of living there 

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Emigrant

someone leaving their country of residence to move to another country

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Asylum seekers

people who believe that their lives are at risk if they remain in their home country and seek to live in another country 

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Economic migrant

someone trying to improve their standard of living, who moves voluntarily

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Fertility Rate

the average number of children a woman can expect to have in her lifetime (higher in LEDCs) 

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