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Suremus 1000 el kohta on Saksamaal ja Angolas sarnane - kuidas?

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Suremus 1000 el kohta on Saksamaal ja Angolas sarnane - kuidas?

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Mis toimub rahvaarvuga traditsioonilise rahvastiku tüübi puhul?

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Mis toimub rahvaarvuga traditsioonilise rahvastiku tüübi puhul?

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Mille poolest erineb demograafilise siirde kulg arenenud riikides ja arengumaades?

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Mille poolest erineb demograafilise siirde kulg arenenud riikides ja arengumaades?

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1) probleeme
2) võimalusi

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Population Pyramids of the World from 1950 to 2100

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Mis põhjustel võiks Katari rahvastikupüramiid olla nii veidra kujuga?

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Mis põhjustel võiks Katari rahvastikupüramiid olla nii veidra kujuga?

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Population pyramids: Powerful predictors of the future - Kim Preshoff

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Demographic Transition Model

Demographic Transition Model by rgamesby Think about it

T he Demographic Transition Model graphs Birth rate, Death rate and Natural Increase. The word demographic simply means population, and transition relates to change. Therefore this model proposes what should happen to a population over time and how it should CHANGE.

If b irth rate is greater than d eath rate the p opulation will increase. If the d eath rate is greater than b irth rate the p opulation will naturally decrease. The greater the difference the greater the rate of Natural Increase. The rate of Natural Increase is much higher in developing countries of the world and many countries in MEDCs are actually experiencing population decline.

1) Try this exercise on interpreting the 2) Population match up exercise Demographic Transition Model 3) Using the text opposite attempt to complete the table on this word document

Major patterns and reasons for those patterns are summarised in the table below.

Stage 1 - High fluctuating

Stage 2 population increase

Stage 3 Population increase

Stage 5 - ageing & decline

2000+

Russia, Germany, Japan

1. Cultural or religious beliefs encouraging large families

3. Parents have lots of children to compensate for high Infant mortality

4. Children work on the land

a) Increased access to contraception

b) Infant mortality falls so there is less need to have a large family

c) Industrialisation and mechanisation means less workers are required.

d) Wealth increase and people are more materialistic, so want less children.

Stay low because of reasons in stage 3.

Are very low and the countries suffer from low fertility. Materialism and the desire for family size massively affect birth rates

High due to disease, Famine, poor diet and hygiene, little medical science.

Start to decrease due to improvements in medical care, sanitation and water supply, supply and cleanliness of food.

Continue to fall. developments such as underground sewers, medical developments such as penicillin, surgery such as heart bypasses and inoculations help.

Rise slightly as ageing people reach the end of their lives

Watch a video

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A page of resources to help understand the Demographic Transition Model