1) Birth rate- number of live births, per thousand per year.
2) Death rate- number of deaths, per thousand per year.
3) Fertility rate- the average number of children a women will have between the ages of 15 and 44.
4) Infant mortality rate- the number of children (out of every 1000 born alive) who die before their first birthday.
5) Life expectancy- the average age (in years) a person can expect to live.
6) Migration rate- the difference between the number of people who migrate in (immigrants), and the number of people who migrate out (emigrants) per 100 000 (or 1000) of the population, per year.
7) Population density- the number of people per square km squared. It's the total population of an area divided by the size of the area (in km squared).
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