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Criado por katiehumphrey
mais de 10 anos atrás
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Questão | Responda |
birth rate | the number of live babies born per thousand of the population per year |
death rate | the number of deaths per thousand of the population per year |
natural increase | birth rate is higher than death rate |
natural decrease | death rate is higher than birth rate |
demographic transition model | |
population pyramid |
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overpopulation | too many people for the resources usually caused by rapid population growth |
overpopulated LEDC social problems | services can't cope children work to support families not enough houses food shortages |
overpopulated LEDC economic problems | not enough jobs = unemployment increases increased poverty |
overpopulated LEDC environmental problems | increased waste/cars/greenhouse gases = pollution natural resources used up |
strategies to control overpopulation | birth control programmes e.g China 1 child policy 1970 immigration laws |
aging population |
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social impacts of an aging population | healthcare service stretched more time spent working = more stressed fewer children = can't afford them lower pension provided by government |
economic impacts of an aging population | pay more taxes economy of country grows slower - less money spent on business |
strategies to help with aging population | encourage larger families = larger working population encourage immigration of young people raise retirement age raise taxes |
aging population case study | UK 2005 - 16% of population over 65 2041 - could be 25% |
migration | the movement of people from one area to another area |
immigration | people moving into an area |
emigration | people moving out of an area |
refugees | people forced to leave their country: war, natural disaster |
economic migrants | people who move voluntarily from poor places to rich places looking for jobs/higher wages: Mexico to USA |
push factors | negative things about a persons place of origin that make them want to leave |
pull factors | positive things about a person's destination that attract them to that destination |
push factors examples | shortage of jobs low wages poor standard of living poor healthcare/education persecuted for religion war natural disasters poor environment: pollution/crime |
pull factors examples | employment opportunities higher wages better living standard better healthcare/education free to worship no war safe place - little crime/natural disasters clean environment |
positive impacts of international migration | origin country: less pressure on services money sent back to country destination country: bigger labour force pay taxes |
negative impacts of international migration | origin country: labour/skills shortage high proportion of old people destination country: job competition service demand overpopulation money sent home |
economic migrations PUSH factors from Poland | high unemployment - 19% low average wages house shortage - 300 for every 1000 people |
economic migrations PULL factors to UK | ease of migration more work/higher wages good exchange rate |
impacts in Poland | shortage of workers aging population |
impacts in UK | boost economy - Polish shops UK unhappy about Polish |
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