Population Flashcards
What is world population
The total number of humans alive on planet earth at one given time
How many people are born as people die
The population is increasing rapidly
Every second 5 people are born and 2 people die .
That’s a gain of 3 people per second
What was the population in 2021
7.888 billion people
What is a countries population
The total number of people living in that country
What’s a birth rate
The number of babies being born in a country each year
What’s a death rate
The number of people who die in a country each year
These rates are measured for each 1000 of the population.
If the birth rate is 10 for this , then how many extra people would there be if they originally had 10,000 people
100 extra people
What’s natural increase
The data from birth rates can be used to work out the natural increase of the country’s population.
Natural increase= birth rate - death rate
What does it mean if the natural increase is a positive number
The population is increasing
What does it mean if the natural increase is a negative number
The population is decreasing
What will happen if there are high birth rates and long life expectancies
There will be a large world population
What does the level of development in a country impact
How quickly its population is rising
What are MEDCs
More Economically Developed Countries (countries with more money)
What are LEDCs
Less Economically Developed Countries (countries with less money)
What do countries which are more economically developed usually have
Low birth rate
Low death rate
Small natural increase
What do countries which are less economically developed usually have
High birth rate
Higher death rate
Large natural increase
What is the population likely to be in 2050
9 billion
Where is it most likely for the population to increase and why
In developing countries such as Sub-Sahara Africa
Because there’s a lack of medical contraception , increased medical care, security in old age