Models of Natural Population Change (AQA A-Level Geography): Flashcards
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Practise the cards
10 cards from this deck
Model (geography definition)
Model (geography definition)
Simplified representation of real-world processes
Who developed the DTM?
Who developed the DTM?
Warren Thompson in 1929 and 1948
DTM Stage 2: birth & death rates
DTM Stage 2: birth & death rates
High birth rate, rapidly falling death rate
DTM Stage 5: natural change
DTM Stage 5: natural change
Natural decrease - birth rate falls below death rate
Population pyramid shows
Population pyramid shows
Age distribution & gender composition at a point in time
Young dependants age range
Young dependants age range
0-14 years
Economically active age range
Economically active age range
15-64 years
Dependency ratio formula
Dependency ratio formula
(Young + elderly dependants) / economically active × 100
Demographic dividend definition
Demographic dividend definition
Period when population has low dependency
DTM stage with fastest population growth
DTM stage with fastest population growth
Stage 2 and early Stage 3