5.8 - Changes in Population Structure Flashcards
(14 cards)
What does the term population structure refer to?
The different groups in society that together make up the total population.
Which two demographic factors do geographers often use to identify groups in population structure?
- Age
- Sex
What is a population pyramid?
A tool used to graph the population of a country in age segments.
In a population pyramid, where are males and females shown?
Males are on the left and females are on the right.
What can the overall shape of a population pyramid indicate?
Whether a country’s population is growing, contracting, or stable.
Describe the shape of a population pyramid for a rapidly growing population.
Wide at the base and narrow at the top.
How does the shape of a population pyramid differ for countries with a slowly growing population?
The base is much narrower due to lower birth and fertility rates.
What characterizes the population pyramid of a country with a declining population?
It looks like an inverted pyramid.
What is the typical birth rate in countries with declining populations?
Low birth rate.
What is often found in the population pyramid of countries with high life expectancy?
A large group of people over 60 years of age.
What is an example of a country with a rapidly growing population?
Niger.
What is an example of a country with a slowly growing population?
Indonesia.
What is an example of a country with a declining population?
Italy.
Fill in the blank: The population of Italy is _______ and declining due to a very low birth rate.
ageing
