Populations Flashcards
1
Q
Define demography.
A
The study of human populations (how they change over time)
2
Q
Formula for natural increase.
A
Birth Rate - Death Rate
3
Q
Formula for rate of natural increase (%).
A
(Birth Rate - Death Rate) / 1000 x 100
4
Q
Formula for Growth Rate.
A
Rate of Natural Increase + Net Migration Rate
5
Q
Describe Stage 1 of the Demographic Transition Model.
A
- High birth rate and high death rate.
- Children are needed to work, but limited medical technology
- Limited growth
6
Q
Describe Stage 2 of the Demographic Transition Model.
A
- High birth rate, low death rate
- Children still needed for work, but better medical technology
- Rapid growth
7
Q
Describe Stage 3 of the Demographic Transition Model.
A
- Lower birth rate, low death rate
- Decreased importance in having children, less infant mortality
- Slow growth
8
Q
Describe Stage 4 of the Demographic Transition Model.
A
- Low birth rate, low death rate
- Limited / no growth
9
Q
Describe Stage 5 of the Demographic Transition Model.
A
- Lowest birth rate, low death rate
- Due to parent choice
10
Q
Formula for doubling time.
A
70 / Growth rate
11
Q
List the 3 age cohorts.
A
- Children 0-15
- Working adult 16-64
- Older adult 65+
