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What is the population structure?
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What is the population structure?
Population structure is the characteristics of a population, including the distribution of age, sex, ethnicity, religion etc.
What is a population pyramid?
A population pyramid is a graph used to display the gender and age structure of a given population.
True or False?
LEDCs like Niger typically have a concave pyramid shape.
True.
LEDCs like Niger typically have a concave pyramid shape.
What does a column-shaped population pyramid indicate?
A column-shaped population pyramid indicates a country in Stage 4 of the demographic transition model, with a decreasing birth rate, increasing life expectancy, and a larger working-age population.
Define the term dependency ratio.
The dependency ratio is the ratio of the dependent population (young and old) to the working-age population.
What are the three implications of an ageing population?
Three implications of an ageing population are:
Increased pension payments
Greater need for care homes
Increased pressure on healthcare services
True or False?
Migration cannot lead to an imbalance in population structure.
False.
Migration can lead to an imbalance in population structure, as seen in countries like the UAE.
What does a narrowing base in a population pyramid indicate?
A narrowing base in a population pyramid indicates a decreasing birth rate.
What population issues can be identified using a population pyramid?
The issues which can be identified using a population pyramid are:
Ageing populations.
Falling birth rates.
Impacts of migration.
Why has the death rate in Japan increased?
The death rate in Japan is 11.1 per 1000
The death rate has increased from 6 per 1000 in 1979.
This is not because healthcare or diets are worse but because there are far more elderly people who are more likely to become ill and die.