Population Growth Flashcards
Who might be interested in population and studying populations?
Politicians: Need to be aware of how many people to help.
Farmers: Need to know how many crops to grow
Town Planners: So they can accommodate where everything goes
Doctors: Need to know whether there are enough medical/healthcare resources
What is Exponential Growth?
A pattern where the growth rate constantly increases.
When did the world hit 7 billion?
2011
Why is population growth a problem?
1/ Overcrowding
2/ Disease can spread more quickly
3/ Can’t provide enough resources (water, food, housing) —> Increase in demand
4/ Overfishing
5/ More difficult access to Healthcare and Education
6/ Not enough jobs
What are 2 key challenges that are linked to population?
1/ Continued growth
2/ Declining ageing population
What are the positive implications of a shrinking population?
Environment
Climate Change
Food Production
What are the negative implications of a shrinking population?
Labour Forces
Economic Growth
Social support systems
At what rate was the population growing during the 20th century and early 21st century?
There was very rapid growth
In which year did the world reach 1 billion?
1800
What is Birth Rate?
Birth rate is the number of people born per 1,000 of the population.
What is Death Rate?
Death rate is the number of people who die per 1,000 of the population.
What is another word for Death Rate?
Mortality Rate
Name a place where the Birth Rate is high
Somalia
Name a place where the Birth Rate is low
South Korea
Name a place where the Death Rate is high
Lesotho
Name a place where the Death Rate is low
Qatar
What happens when Birth Rates are higher than Death Rates?
Natural Increase
What happens when Birth Rates and Death Rates are the same?
No Change
What happens when Birth Rates are lower than Death Rates?
Natural Decrease
Things that increase the population:
Better healthcare
Better Agriculture