Population Pyrimads

Question 1

What is a population pyramid?

Answer 1

It is a diagram that gives information about the proportion of males and females in each age group

Question 2

What does a population pyramid also show

Answer 2

Proportion of young people 0-14
Proportion of working people 15-59
Proportion of elderly people 60+

Question 3

Cohort

Answer 3

Each age-group designation is called a cohort

Question 4

Vertical Axis

Answer 4

Age group

Question 5

Horizontal Axis

Answer 5

Percentage/number

Question 6

How to read a population pyramid

Answer 6

Read the title e.g country or city or racial graph
Comment on general shape of pyrimad
Note the proportion of people in various age groups (cohorts)
Note the sex ratio
Interpret the data

Question 7

Types of population pyramid

Answer 7

1. Triangle- shaped
2. Wasp-shaped pyramid
3. Rectangular-shaped pyrimad

Question 8

Shape of pyramid controlled by

Answer 8

Births (mostlyCBR)
Deaths
Migrations

Question 9

Triangle shaped pyramid

Answer 9

Broad Base - High birth rates
Narrow Top - Small elderly population, high death rate
Proportion - Large population of young
- high youth dependency ratio
Sex Ratio - Balance pyramid - Balance Sex Ratio

Question 10

Beehive-Shaped pyramid

Answer 10

Shape - Rocket Shape/Narrow Base
-Low birth rates, slow pop growth
Proportion: Large proportion of working population, 15-59 yr old large group of economically active pope
Sex Ratio: Balanced Ratio

Question 11

Rectangular Shaped pyramid

Answer 11

Shape: Rectangular shaped pyramid-Zero pop growth Narrow Base - Low Birth Rate
Life expectancy is high 80+
-Low Death Rates
Proportion: Bars of equal length - Balanced Proportion
Sex Ratio : Balanced Pyramid - Balance sex ratio