Population Growth, Change And Structure

Question 1

Define birth rate.

Answer 1

Birth rate is the number of live births per 1000 people per year in an area.

Question 2

Define death rate.

Answer 2

Death rate is the number of deaths per 1000 people per year in an area.

Question 3

What is the natural increase?

Answer 3

The amount the population increases by each year, i.e. The difference between the birth rate and the death rate.

Question 4

How do you work out the natural increase?

Answer 4

To work out the natural increase you subtract the death rate from the birth rate.
(Natural Increase = Birth Rate - Death Rate)

Question 5

How do you work out the growth rate?

Answer 5

You work out the growth rate by dividing the natural increase by 10. Growth rate is a percentage.

Question 6

How would we write the natural increase if we worked it out to be 10?

Answer 6

10 per 1000. (= 1% growth rate)

Question 7

If the death rate is more than the birth rate, instead of natural increase it is known as…

Answer 7

… natural decrease.

Question 8

Natural increase occurs when …

Answer 8

the birth rate is greater than the death rate.