| A | B |
|---|
| population | this is the total number of people in an area |
| population distribution | the way a population is spread out over an area |
| demography | the science that studies population distribution and change |
| population density | the average number of people in a given area - usually this is done by square mile/kilometer, but it can be expressed in different ways |
| birthrate | the number of live births per year per 1000 people |
| death rate | the number of deaths each year per 1000 people |
| migration | how people move between regions in the world |
| urbanization | peoples movement into cities and the growth of cities |
| immigrants | people who move into one country from another |
| rural | located in the countryside |
| urban | located in cities and towns |
