Population Change
- Created by: darcie_cl
- Created on: 26-02-14 22:26
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- Population Growth
- A consequence of both natural change and migration
- Rapid population increase over the past 200 years
- Estimates that by 2050 the global population will be 9 billion (6 billion in 1999)
- Rapid population increase over the past 200 years
- CAUSES OF GROWTH
- Health - medication, birth control, diet, sanitation
- Education - health, compulsory schooling, females, teritary education and literacy levels
- Social provision - elderly care, clean water supply, communications availability (radio)
- Cultural factors - religious attitudes to birth control, status gain from having children, role of women in society, sexual morality
- Political factors - taxation support services, contraception and healthcare access
- Environmental factors - natural disaster management
- BIRTH RATE
- No. of babies born per 1000 people per year.
- Crude birth rate = No. of live births per 1000
- Fertility = Average no. of babies born per woman (1.6 is below replacement rate)
- DEATH RATE
- No. of deaths per 1000 people
- Infant morality rate = No. of children who die before their first birthday per 1000
- NATURAL
- Increase = when birth rate exceeds death rate
- Change = the difference between birth and death rate in a country
- MEASUREMENTS
- Census report - every 10 years
- Employment, ethnicity, education, patterns of social activity, house type and ownetship
- Useful to the government; provide a basis for the allocation of resources
- Useful to non-governmental bodies; retailers, advertisers, financial services, property developers
- Disadvantages
- Objections as they infringe privacy
- Many do not return forms
- Some people lie on forms
- Census report - every 10 years
- A consequence of both natural change and migration
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