| A | B |
|---|
| Birth Rate (BR) | the number of live births per thousand population, per yearshown as births per thousand (%) |
| Colonisation | the spread of a settlemet on to previously uninhabitable land |
| Conurbation | One large, more or less continuous area created as a city grows and spreads to absorb other towns, cities and villages in the surrounding area |
| Death Rate (DR) | the number of deaths per thousand population, per year, exprerssed as deaths per thousand (%) |
| Dependency Ratio | shows how many children (-16) and elderly people (+65) are dependent on the working population (16-64) |
| Infant Mortality | a measure of the number of infants dying under one year of age, usually expressed as the number of deaths per thousand live births per year |
| Life Expectancy | the average age to which the population lives. it is expressed in terms of years. male and female expectancy figures are often shown seperately |
| Natural Increase/ Decrease | the difference between the numbers of births and deaths for every hundred people per year expressed as a percentage |
| Over population | excess of people over resources |
| Population Structure | the breakdown of a countries population into groups such as age and gender |
| Sustainability | preserving resources for futurte generations |
| optimum population | a perfect balance between people and resources |
