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20 Cards in this Set

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Population Change

Population Change

World's population growing rapidly ...

Because of exponential rate

3 things affect population size :


Birth Rate - number of babies born per thousand people per year


Death Rate - number of deaths per thousand people


Migration - movement of people from one area to another

Natural Increase -


Natural Decrease -


Natural Increase - when birth rate higher than death rate


Natural Decrease - when death rate higher than birth rate

Demographic Transition Model (DTM) shows...

5 stages of population size .



Poorer countries in early stages of DTM. Richer and developing countries in later stages

Stage 1

Birth rate -> high


B/c of no contraception and people have lots of children because many infants die


Death Rate -> high


B/c of poor healthcare


Population growth rate is zero


Population structure - low life expectancy. Population mainly of young people as fewer reach old age

Birth Rate


Death Rate


Population Growth Rate


Population Structure

Stage 2

Birth Rate -> high


B/c no contraception. Economy based on agriculture so people have lots of children to work on farms


Death rate -> falls


B/c of better healthcare


Population growth rate very high


Population structure - increased life expectancy but imbalance of younger people to older people



Birth Rate


Death Rate


Population Growth Rate


Population Structure

Stage 3

Birth Rate -> rapidly falling


B/c of emancipation of women and better education. Contraception increase, more women working instead of having children. Manufacturing based economy - less children working on farms


Death Rate -> falls


B/c of medical advances


Population growth rate - high


Population structure - more people living to be older


Birth Rate


Death Rate


Population Growth Rate


Population Structure

Stage 4

Birth Rate -> low


B/c of urbanisation. People want more possessions and wealth improves - meaning less money for having children


Death Rate -> low, fluctuating


Population Growth Rate - zero


Population Structure - high life expectancy


Birth Rate


Death Rate


Population Growth Rate


Population Structure

Stage 5

Birth Rate - slowly falling


B/c less money available to raise children b/c people have dependent elderly relatives


Death Rate - low, fluctuating


Population Growth Rate - negative


Population Structure - more older people than younger

Birth Rate


Death Rate


Population Growth Rate


Population Structure

Rapid population growth has impacts such as...

Social -


1) Limited access to services like healthcare and education b/c of rapid increase in population


2) Children work to support large families, missing out on their education


3) Less space to house people so directed to live in overcrowded settlements or makeshift houses leading to poor sanitation and hygiene problems


4) Food shortages of country can't grow or import enough food for population


Economic -


1) More people, less jobs - Unemployment increase


2) Increased poverty b/c of more people being born into already poor families


Political -


1) Population made of young people so government focuses on policies important to young people e.g education and childcare


2) Fewer older people so government doesn't focus on policies important to pledge people e.g pensions


3) Government has to make policies to keep population growth under control so social and economic impacts of rapid population growth don't get worse

Birth Control Programmes and Immigration Laws are strategies that control rapid population growth

Birth Control Programmes -


Aim to reduce birth rate by having laws about how many children couples can have. Also, governments help couples plan (and limit) how many children they can have by offering contraception and sex education.


Helping towards sustainable development as population won't get much bigger. Resources won't be used up lots so some will be left for future generations


Immigration Laws -


Aim to control immigration by government limiting number of people allowed to immigrate and they can be selective of who they let in e.g. Letting in fewer people of child bearing age means fewer immigrants having children. Helps towards sustainable development b/c it slows down population growth rate

Case Study - China has a strict birth control programme

Has largest population of any country in world = over 1.3 billion


One Child Policy introduced in 1979 - encouraging couples to only have child. Couples following policy given benefits like longer maternity leave, better housing and free education for child. Couples that disobey policy don't get any benefits and are fined part of their income. Over years, policy changed, some exceptions are -


in rural areas, couples allowed second child if first is girl or has a physical disability - this is because more children needed on farms to work. If one parent has disability or if both parents are only children, then second child is allowed - so there's enough people to look after the parents


Effectiveness of policy: 1) Prevented up to 40 million births. Fertility rate dropped from 5.7 in 1970 to 1.8 today. 2) Some say just the OCP alone didn't slow population growth, older policies had a contribution too. Policy helped towards sustainable development - population hasn't grown so fast as it would have done without policy, therefore fewer resources have been used.

Case Study - Indonesia has tried to tackle problems of rapid population growth

World's fourth biggest population - over 240 million.


Transmigration- movement of population from core to periphery, to reduce pressure of over population in certain areas of a country to evenly distribute population, so resources used up equally - more sustainable. Too many people applied for scheme can support b/c of incentives ( free housing, food, land, fertiliser, transport and $7000). Policy not so sustainable b/c overcrowding in Java hasn't been so effective and sustainable as only impacts of population have reduced, poverty hasn't been escaped by moving from Java to Sumatra

Case Study - Kerala's policy to reduce it's previously high population growth population rate has involved:

- improving education standards and equality


-providing literacy rate classes in towns and villages.


-improving child health through vaccination programmes.


- educating people to understand benefits of small families.


-The Right to Literacy Programmes organsies reading,writing and reading classes in villages, owever remote, they are always well attended.


-providing free contraception and advice

Ageing population has social and econmic impacts on future development

Economic:


- Fewer people paying taxes: reduces the income for thegovernment so it cannot invest -More pensions need to be paid: If not paid, could risk companies to have huge debts, affecting future economic development.


Social:


More healthcare services needed: to look after elderly because of ageing population but less money to spend on infrastructure.

Case Study - France's pro - natalist policy to cope with an ageing population in the EU

Tackling ageing population with strong pro- natal policy, encouraging people to have children to produce more favourable age structure and dependency ratio.


French Government given incentives to couples who have children e.g. 3 years paid parental leave, full time schooling starts at age 3; fully paid by government. Also day acre for children younger than 3 is subsidised by government. Lastly, more children woman has, earlier retirement on full pension.

Caste study - Migration: Poland to UK

People from Poland moving to UK for better standard of living and job opportunities to earn more money as the exchange rate of British pound is more than currency of Poland.


Impacts on Poland:


-population fell by 0.3%


-shortages of workers back home, slowing economy of Poland down.


- economy boosted by money sent home from emigrants (3 billion euros in 2006)


Impacts on UK:


-UK population increased


-Immigration boosted UK economy, but money earned sent home,


- New Polish shops to serve Polish communities.



Push and Pull Factors

Push Factors -

Negative aspects of a place which encourage people to move away


Pull Factors -


Attractions and opportunities of a place that encourage people to move there

Immigrant -


Emigrant -


Migrant-

Immigrant - Someone entering a new country with the intention of living there.

Emigrant -


Someone leaving their country of residence to move to another country.


Migrant- person who leaves one place to another