The Demographic Transition Model

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Presentation transcript:

The Demographic Transition Model LEARNING OBJECTIVES: To explain the construction of the Demographic Transition Model To be able to explain and analyse a Demographic Transition Model To evaluate the usefulness of the Demographic Transition Model

The Demographic Transition Model

The Demographic Transition Model This is a model which shows population change (births, deaths and natural change) over time. A model is a simplified version of reality. The demographic transition model suggests all countries go through 4 (or 5) stages of population change. The demographic transition model can be used to predict short and long term population changes.

An evaluation! The demographic transition model shows population change over time. It studies how birth rate and death rate affect the total population of a country. The model was developed after studying the experiences of countries in Western Europe and North America. Conditions might be different for LEDCs in different parts of the world. The original model doesn't take into account the fact that some countries now have a declining population and a 5th stage. Most texts will now show this stage as it is relevant to an increasing number of MEDCs in the 21st century.