Learning Objectives To know what the DTM (Demographic Transition Model) shows. To understand the different stages of development a country can be in. To.

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Presentation transcript:

Learning Objectives To know what the DTM (Demographic Transition Model) shows. To understand the different stages of development a country can be in. To look at indicators of development in an Atlas and work out countries that are in the different stages of the DTM.

A model or theory which shows how population growth occurs in a country over time. What is happening in each of the four stages?

Discussion Pairs – What are the problems that a country in stage 2 of the DTM (India) face?

Population Pyramids – what do they show? Write down as many things that these population pyramids show.

They show important features of a population – age and gender. How do you read a population pyramid? The taller the pyramid the longer people live. (Life expectancy) A broad shape at the top of the pyramid shows a high proportion of people living longer. Differences between males and females can be picked out. Bulges show a period of immigration or baby booms. Indents show higher death rates than normal because of a war, famine or disease epidemic or through people emigrating in masses. A wide base would show a large number of children - high birth rate. A narrow base shows a small number of children or a low birth rate.

Population Pyramids FRANCE INDIA Low birth rate High birth rate Low death rate Indent showing deaths from WW2 Ageing population – high proportion of elderly people. INDIA High birth rate High death rate Youthful population Lack of population in the working age sector.

Task Read pages 140-141 of the Edexcel B textbook. This should explain population pyramid shape with the help of three country examples in more detail. Below shows the affects of AIDS on Botswana. What is the dependency ratio? The % of people under 15 + % of people over 66 divided by the % of people between 16 and 65. An ageing population would have a high dependency ratio – as would a population with a very high birth rate. Getting the balance right is the key.

VLE Homework What would a population pyramid for stage 5 of the DTM look like? What are the problems with having a highly dependent population?