Demographic transition

5.2.1 Population growth

5.2.3 Population pyramids

Demographic transition

Demographic transition model diagram

  1. Countries pass through different stages of population growth as shown in the five stages of the demographic transition model
Stage Characteristics Examples
1 Death rate is high & fluctuating due to disease, famine, war and a lack of healthcare
Birth rate is high & fluctuating due to a lack of birth control
This causes little natural change
Remote rainforest tribes in Amazonia & Indonesia
The UK before the start of the Industrial Revolution in about 1760
2 Death rate falls due to improvements in health care and food supply
Birth rate remains high
This cause natural increase to rise
Afghanistan
The UK during the Industrial Revolution from around 1760 to 1880
3 Death rate continues falling but at a slowing rate
Birth rate falls due to the availability of birth control and social & economic changes that make it more beneficial to have smaller families
This causes natural increase to fall
Most LEDCs
The UK between around 1880 & 1940
4 Death rate is low & fluctuating
Birth rate is low & fluctuating, usually according to economic situation
This causes little natural change
Most MEDCs
The UK after around 1940
5 Death rate rises due to an ageing population
Birth rate falls as it becomes more common to postpone motherhood
This causes natural decrease to increase
Japan, Germany, Italy and many eastern European countries