Population Flashcards
Population density
Number of people per square kilometre
Fertility rate
Average number of children a woman will have
What does the dtm show?
How pop has changed over time through five stages
Stage 1
High birth rates
High infant mortality
High death rate
Example of stage 1
Tribes in Brazilian rainforest
Stage 2
High birth rate
Death rate falls
Population rises quickly
Example of stage 2
Afghanistan
Stage 3
Birth rate decreases
Death rate falls
Population increases slowly
Example of stage 3
Eygpt
Stage 4
Population stable and high
Example of stage 4
Europe
Usa
Stage 5
Population decreases
Birth rate falls below death rate
Example of stage 5
Japan
Advantages of dtm
Easy to use
Compare countries
Can predict change in a country
Disadvantages of dtm
Can’t predict when countries will reach a stage
Doesn’t take migration, education and customs/policies into account
Social impacts of an ageing population
Increases need for hospitals and hospices and homes
Population decline
The grey vote- their needs becoming important to politions
Reluctant to leAve homes
Economic impacts of an ageing population
Reduced work force Increased taxes The grey pound- money has to be spent on homes etc Lack of jobs Money made on services for elderly
Pros of elderly workers
No maternity leave
Lots of experience