Natural Increase and Decrease
Content
- Statement of inquiry
- What are the components of global population change?
- Aims of the lesson
- To recall definitions of birth rate, death rate, natural increase and natural decrease.
- To be able to calculate natural increase
- To be able to examine how rates of natural increase vary globally.
Context
Task One - Define Birth Rate and Death Rate
Copy these definitions:
The average annual number of births during a year per 1,000 persons in the population; also known as crude birth rate
Birth Rate
The average annual number of deaths during a year per 1,000 population; also known as crude death rate.
Death Rate
Task Two - Natural Increase or Natural Decrease
Using a population data set such as the CIA World Factbook or Population Reference Bureau World Population Data Sheet complete the following table:
| Country | Location | Birth rate [BR] | Death rate [DR] | BR-DR= | Natural Increase or Natural Decrease |
|---|---|---|---|---|---|
| Australia | |||||
| Bangladesh | South Central Asia | 17.88 | 5.44 | 12.44 | Natural Increase |
| Brazil | |||||
| Canada | |||||
| China | |||||
| Ethiopia | |||||
| Germany | |||||
| Japan | |||||
| Mexico | |||||
| Morocco | |||||
| Niger | |||||
| Russia | |||||
| South Africa | |||||
| Switzerland | |||||
| United States of America |
Review
Use data.worldbank.org to replicate the following graph:
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