1. Demographic Transition Model

2. What is the Demographic Transition Model (DTM)?
The demographic transition model explains the transformation of countries from having high birth and death rates to low birth and death rates.
In developed countries this transition began in the 18th century and continues today.
Less developed countries began the transition later and many are still in earlier stages of the model.

3. Task One
10 minutes
Make a copy of the DTM in your books, across a double page.
Make sure you add appropriate labels/detail.

4. Stage One
Birth Rate and Death rate are both high. Population growth is slow and fluctuating.
Birth Rate is high because of:
Lack of family planning
High Infant Mortality Rate: putting babies in the 'bank'
Need for workers in agriculture
Religious beliefs
Children as economic assets
Death Rate is high because of:
High levels of disease
Famine
Lack of clean water and sanitation
Lack of health care
War
Competition for food from predators such as rats
Lack of education
Typical of Britain in the 18th century and the Least Economically Developed Countries (LEDC's) today.

5. Typical of Britain in 19th century; Bangladesh; Nigeria
Stage Two
Birth Rate remains high. Death Rate is falling. Population begins to rise steadily.
Death Rate is falling as a result of:
Improved health care (e.g. Smallpox Vaccine)
Improved Hygiene (Water for drinking boiled)
Improved sanitation
Improved food production and storage
Improved transport for food
Decreased Infant Mortality Rates
Typical of Britain in 19th century; Bangladesh; Nigeria

6. Typical of Britain in late 19th and early 20th century;
Stage Three
Birth Rate starts to fall. Death Rate continues to fall. Population rising.
Reasons behind birth and death rate falling:
Family planning available
Lower Infant Mortality Rate
Increased mechanization reduces need for workers
Increased standard of living
Changing status of women
Typical of Britain in late 19th and early 20th century;
China; Brazil

7. Typical of USA; Sweden; Japan; Britain
Stage Four
Birth Rate is low.
Death Rate is low.
Population steady.
Typical of USA; Sweden; Japan; Britain

8. Stage Five Typical of Germany Birth Rate slight fall.
Death Rate stable.
Natural increase: gentle decrease
Reasons for changes in birth rate:
Family planning
Better health
Later marriages
Improved status of women
Reasons for changes in death rate:
Good health care
Reliable food supply
People are generally living longer

9. What are the limitations?
What limitations do you think there could be with the model?
It does not include the influences of migration
It assumes that all countries will go through the same pattern
There is no time scale
Reasons for birth rates and death rates are very different in different countries

10. Activity
Using the textbook (page 234/5 ) add notes to each stage of the Demographic Transition Model.
Make sure you understand why the birth and death rate line is where it is at (E.g. why has the death rate fallen in stage 2, but the birth rate still remain high?)

11. Write the answers in your book.
To finish…
‘DTM’
You are about to watch a clip on the DTM.
It will summarise what we have learnt today.
Towards the end is a quick quiz.
Write the answers in your book.

12. Homework Complete the worksheet.
Most questions can be completed on the worksheet – others need to be written on lined paper.