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Population Pyramids LEARNING OBJECTIVES 1.Be able to annotate population pyramids 2.Distinguish between an MEDC and a LEDC
What do they show? Sex-ratio: the amount of males to females in a location Males are shown on the left. Females are shown on the left.
What do they show? Age distribution of a country Age categories split into 5 year stages
Dependent Population: The population under the age of 15 and over 65 What do they show? Children 0-14 years of age Elderly population 65+ years of age
Economically Active: 15-60 years old who have the potential to contribute economically What do they show? Workforce
What do they show? In this country there is a high Birth Rate There is also a high Death Rate.
What should you annotate? Sex-ratio: what is the male/female ratio Birth Rate: Is the BR increasing or decreasing
TASKS Cut and arrange the statements around the right population pyramid
Dependency Ratio The dependency ratio can be expressed as: Population( u14 + 65+) X 100 Population 15-65
Year 8 AL Geography homework Tuesday 19 th Feb 2013 It is up to you which tier you do... Push yourself if you think you can do the higher tier.
Starter – Factors affecting fertility rates
Population Pyramids. There are generally three types of population pyramids created from age-sex distributions-- expansive, stationary and constrictive.
Population Pyramids by Gayle Robinson
What is a population pyramid and what does it tell me?
How do population pyramids help us learn about population?
The Demographic Transition Model (DTM) Mr Elliott SSOT.
Describe the population structure of this country;
What are the causes and impacts of changing gender structures?
1. What is a census? 2. Why is it difficult to compare census information between countries? 3. Why can census information be unreliable? 4. How can population.
Population Pyramids. A special graph that shows the make-up of a population by age and gender. A special graph that shows the make-up of a population.
Structure of Population
What does a population pyramid show? Population pyramids show the population structure of a country… the number of different age groups. the percentage.
What is this trying to show? Population structures The rates of natural increase, births, deaths, infant mortality and life expectancy all affect the.
Population Pyramids. What Are They? The composition of the population of a country can tell you a great deal about its development. The best way to look.
Demographic Trends By Andrew, Emma and Jennifer. The Future Although HIV/AIDS is spreading and there is an increased use of contraception across the world,
Slide 1 Slide 2 Preparation before starting this Revision unit you need to have:- Sorted you theory notes and.
MARCH 11, 2015 POPULATION PYRAMIDS. POPULATION PYRAMID A graph that depicts population distribution by age and sex Youngest on the bottom, oldest on the.
Population Pyramids What information is shown on a population pyramid. How can do you interpret the information shown on a population pyramid.
Chapter 2 Key Issue 3 Why Is Population Increasing at Different Rates in Different Countries?
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