Population pyramids Flashcards
(8 cards)
1
Q
What is a population pyramid ?
A
A bar graph that represents the distribution of population by age and sex
2
Q
What is age structure ?
A
The proportion of the population in different groups
3
Q
What is gender structure ?
A
The proportion of age group that are male or female
4
Q
In a population pyramid, what does a WIDE base mean ?
A
It means that there is a high fertility rate and birth rate
5
Q
What does a wide middle indicate ?
A
It means youthful population
6
Q
What does a narrow top mean in a population pyramid ?
A
It means a high death rate and low ageing population.
7
Q
What does a narrow base mean ?
A
High infant mortality or low fertility rate
8
Q
What does a narrow middle show ?
A
Small workforce