Population Flashcards
Stage 1
Is stage 1 both the birth rate and the death rate are high. The population does not grow in this stage because the high death rate cancels out the high birth rate.
Stage 2
In stage 2 countries begin to develop their economics. The government begins to provide the country with clean water and health services. The birth rate remains high but the death rate decreases. Therefore, the population increases.
Stage 3
Economic development is more advanced. People have fewer children because they survive due to good health services.
Stage 4
In stage 4 the country is wealthy. Parents begin to plan their families and people are surviving to old age.
What is a population explosion?
When the population of one place increases greatly in a short period of time.
What is birth rate.
The number of babies born per 1000 people in a year
What is death rate
The number of deaths per 1000 people in a year.
What is migration
It is the movement of people in and out of an area
What is a population pyramid
The population pyramid shows how the population is divided up between males and females of different age groups.
What are young dependants?
People aged 15 and below
What are elderly dependants
Aged 65 and over
What do dependants rely on
Dependants rely on economically active people (people who can work)
What is population distribution
Means the pattern of where people live. World population distribution Is uneven.
Population density
Is a measurement of the number of people in an area.
What is the demographic transition model?
The demographic transition model shows population change over time. It studies how birth rate and death rate affect the total population of an area.
