Section Three - Population Flashcards
What’s meant by death rate?
Number of deaths per thousand of the population per year.
What’s meant by birth rate?
Number of live babies born per year per thousand of population per year.
Give some features of stage 1 in the DTM.
High birth rate
High death rate
Low population
Now population growth
Name some features of stage 2 in the DTM.
High birth rate
Rapidly falling death rate
High population growth
Increasing population size
Name features of stage 3 in the DTM.
Falling birth rate
Slowly falling death rate
High population growth
Increasing population size
Name features of stage 4 in the DTM
Low birth rate
Low death rate
No population growth
Large population
Name features of stage 5 in the DTM.
Falling birth rate
Low death rate
Negative population growth
Slowly falling population size
What causes overpopulation?
Rapid population growth.
Name some social problems of overpopulation.
Services can’t cope
Children have to work to support large families
Aren’t enough house
Food shortages
Name some economic problems of overpopulation.
Aren’t enough jobs
Increased poverty
Name some environmental problems of overpopulation.
Increased waste and pollution
More natural resources are used up
Name some stratified to control overpopulation.
Birth control programmes (laws about the snobby of children you can have, sex ed, free contraceptives)
Immigration laws
Social impacts of ageing population.
Healthcare services are stretched more
People need to spend more time working as unpaid carers for older family members
People have fewer children
More old people, lower pension people have to retire later
Economic problems with an ageing population.
Taxes increase
Economy grow at slower rate
Strategies to cope with an ageing population.
Encouraging larger families
Encouraging immigration of young people
Raise retirement age
Raise taxes
