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Factors Affecting Health Essay

Define the following key terms:
   Ageing population Youthful population Dependency Ratio www.geobytesgcse.wordpress.com

Youthful Population – a population with a very high proportion of young people under the age of 15 Fold along here

Dependency Ratio – the ratio between economically and noneconomically active population – normally expressed as a % www.geobytesgcse.wordpress.com

Yr 10 – Population

St Ivo School Geography Department – GCSE REVISION

What is meant by the term ‘dependent population’?

Yr 10 – Population

www.geobytesgcse.wordpress.com

Fold along here

The people who are not working and are therefore dependent on the economically active population (ages 0-14 and 65+)

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St Ivo School Geography Department – GCSE REVISION

Define the term Infant Mortality.

The number of infants dying before the age of 1 per 1000 live births per year Fold along here

Yr 10 – Population

www.geobytesgcse.wordpress.com

www.geobytesgcse.wordpress.com

St Ivo School Geography Department – GCSE REVISION Population Distribution – how a population is spread out over an area Population Density – the number of people living in a given area 2 (people per km ) Fold along here

Define the following key terms:
   Population Distribution Population Density Population Explosion www.geobytesgcse.wordpress.com

Population Explosion – a very rapid increase in population www.geobytesgcse.wordpress.com

Yr 10 – Population

St Ivo School Geography Department – GCSE REVISION

What does DTM stand for and what is it used to show?

DTM stands for The Demographic Transition Model – this is a model showing population change over time in relation to changing birth and death rates and the consequent change in overall population Fold along here

Yr 10 – Population

www.geobytesgcse.wordpress.com

www.geobytesgcse.wordpress.com

St Ivo School Geography Department – GCSE REVISION Natural Decrease – the fall in population caused by deaths exceeding births. Natural Increase – the rise in population caused by births exceeding deaths Fold along here

Define the following key terms:    Natural Decrease Natural Increase Depopulation www.geobytesgcse.wordpress.com

Depopulation – a decline in the numbers of people living in an area due to out-migration or changes in birth and death rates. www.geobytesgcse.wordpress.com

Yr 10 – Population

St Ivo School Geography Department – GCSE REVISION Population Growth Rate – the increase in population over a year – normally expressed as a % Population Structure – the age and sex composition of a population Fold along here

Define the following key terms:
   Population Growth Rate Population Structure Population Pyramids www.geobytesgcse.wordpress.com

Population Pyramid – a diagram used to show the age and sex of a population (also known as age-sex pyramids) www.geobytesgcse.wordpress.com

Yr 10 – Population

St Ivo School Geography Department – GCSE REVISION

Name the following case studies:
   A case study to show the consequences of an ageing population A case study to show the consequences of a youthful population A comparison of population structures between a LIC, MIC and HIC www.geobytesgcse.wordpress.com

A case study to show the consequences of an ageing population – UK – East Devon (Torbay) A case study to show the consequences of a youthful population – The Gambia (Africa) Fold along here

A comparison of population structures between a LIC, MIC and HIC – Philippines, Brazil & Germany www.geobytesgcse.wordpress.com

Yr 10 – Population

St Ivo School Geography Department – GCSE REVISION

Name the following case studies:
    A case study to show how a government has reduced the birth rate An example of a densely populated area of the UK A case study to show how a government has set out to increase the birth rate (pro-natalist policy) An example of a sparsely populated area of the UK www.geobytesgcse.wordpress.com

  
Fold along here

Yr 10 – Population

A case study to show how a government has reduced the birth rate – China’s One Child Policy An example of a densely populated area in the UK – London and the South East A case study to show how a government has set out to increase the birth rate (pro-natalist policy) – Singapore’s “3 or more Policy” An example of a sparsely populated area of the UK – Scottish Highlands www.geobytesgcse.wordpress.com

St Ivo School Geography Department – GCSE REVISION The world’s population is unevenly distributed Some areas have a high population density eg, Asia / 2 Europe (75+people/km ) Other areas of the world have a low population density 2 e.g. Canada/Greenland and Russia (


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