DTM Flashcards
What is Demography
Demography is the study of people
The situation is dynamic not static
What happens in the first stage of the DTM model?
Whats another name for this stage?
BR and DR remain high and fluctuating while the population is low -No healthcare -Lack of Sanitation -Poor education -Poor Nutrition High IMR Children Work No Contraception HIGH FLUCTUATING STAGE
Give an example of a stage 1 community
Pre 1780 UK
Amazonian Tribes
What happens in the second stage of the DTM model?
Give another name for this stage
The DR dramatically decreases while the BR remains high (and fluctuating), therefore the population naturally increases
- Advancement in healthcare
- IMR drops due to vaccinations
- Nutritional foods
- Better Sanitation
Give an example of a stage 2 community
Afghanistan
UK 1800’s
What happens in the third stage of the DTM model?
Give another name for this stage
The DR continues to decrease and the BR dramatically decreases
-Mechanisation of agriculture
-Need fewer children
-Emancipation of women
-Contraception- Women make their own decisions
LATE EXPANDING STAGE
Give an example of a stage 3 community
UK early 1900’s
Brazil
India
What happens in the fourth stage of the DTM model?
Give another name for this stage
The DR + BR are low and fluctuating
-Cost of children
LOW FLUCTUATING STAGE
Give an example of a stage 4 community
UK 1980’s
USA
What happens in the fifth stage of the DTM model?
Give another name for this stage
DR slightly increases and BR remains low
-More elderly die from an ageing population
DECLINING STAGE
Definition: Birth Rate
Number of live births per 1000 per year
Definition: Death Rate
Number of deaths per 1000 per year
Definition: Natural change (%)
The change in the size of the population caused by the interrelationship between birth and death rates
Definition: Fertility Rate
The average number of children each woman in a population will have in their lifetime
Definition: Life expectancy
The average age a person (from birth) is expected to live up to
