1
It is the number of people per square kilometre.
2
It is the average number of children per family.
3
A group of people that have a common language and culture.
4
It is the study of population.
5
People that live and work in one country but are from another country.
6
People that leave their country to live in a different one.
7
It is the movement of people from one area to another.
