Population And Migration Flashcards
What is the world population?
Total number of humans alive on the earth at a given time
What happens every second
5 people are born and 2 die
A country’s population
The total population of a country
Birth rate
The number of babies born in a country each year
Death rate
The number of people who die in a country each year
How are these rates measured?
For each 1000 of the population
Natural increase
Birth rate - death rate
What does it mean if the natural increase in a positive number
The country’s population is increasing
What does it mean if the natural increase is a negative number
The country’s population is decreasing
MED countries
Countries with a lot of money ( more economically developed)
LED countries
Countries with less money
What does an MED country have
Low birth rate
Low death rate
Small natural increase
What do LED countries have
High birth rate
Higher death rate
Large natural increase
Population density
How many people live in an area
What is population density measuring?
People per square kilometres
How to calculate population density?
Number of people/area(km square)
What are places with a high population density called?
Densely populated
What are places with a low density called?
Sparsely populated
What is population distribution?
The way in which the population is spread out over an area
3 ways of the population being distributed
Evenly
Clustered
Randomly
Migration
Movement of people from one place to another
Emigrants
People who leave a place
Immigrants
People who arrive in a place
Push factors
Why people leave a place
