Over-population and Under-population Flashcards
What is over-population?
When there are too many people for the available resources of a region or country
What is under-population?
When there aren’t enough people to use the resources of an area
Why might a country be under-populated?
Due to migration, natural hazards, war, or diseases.
What are some examples of under-populated areas?
Canada, Australia and Mongolia
What do under-populated areas usually have in common?
They are large in area and rich in resources
What is the main cause of over-population?
High birth rates and falling death rates
What are the main impacts of over-population?
- No access to safe water
- No access to food
- Climate change
- Pressure on services
- Congestion
How many people around the world do not have access to safe water?
1 billion people
What does over-population put significant strain on?
Agriculture. This consumes more water than any other sector
How many people didn’t have enough food to live a healthy lifestyle in 2015?
Almost a billion
By what year could food demand be more significant than production?
2050
What services are being pressured by over-population?
Education, healthcare, and social services
What does increased congestion lead to?
Increased air pollution
What are the impacts of under-population?
- Shortage of workers
- Fewer people to pay tax
- Service closures
- Wasted resources
