Across
- 4. the difference between the number of births and the number of deaths recorded over a period.
- 5. A reason why a person is forced to migrate from an area.
- 6. A reason why a person is attracted to migrate to another area.
- 7. the number of live births per thousand of population per year.
Down
- 1. The movement of people from one area to another.
- 2. the number of deaths per one thousand people per year.
- 3. A city with a population of more than ten million people.