Across
- 4. the natural increaserate plus the net migration rate
- 5. the immigration rate minus the emigration rate
- 6. the number of immigrants moving to a country per year per 1000 people
- 11. the lengh of time for a countrys population to double at a particular population growth rate
- 12. the study of human populations
- 13. the birth rate minus the death rate
Down
- 1. a reason that encourages people to move away from their current country
- 2. a reason that makes a particular country seem attractive to potential immigrants
- 3. a person who leaves one country to move to another one
- 7. the number of emigrants moving from a country per year per 100 people
- 8. the number of births in a population per year per 1000 people
- 9. a person who moves to one country from another counrty
- 10. a simple calculation to estimate doubling time (70 divided by population growth rate)
- 11. the number of deaths in a population per year per 1000 people
