| A | B |
|---|
| demography | the study of population characteristics , patterns and change over time |
| birth control | methods used to avoid unwanted pregnancies |
| virility | a man's ability and age at when he can still produce children |
| cholera | a disease of the intestines caused by contaminated drinking water |
| famine | lack of food and proper nutrition |
| vaccination | medicines given by injection to fight disease |
| sanitation | the overall cleanlines or healthiness of a city |
| infant mortality | rate of children dying before the age of one |
| life expectancy | the average age that a person would be expected to live |
| industrialization | The development of jobs, products and services that allow people to have a better standard of living |
| mechanization | the replacing human workers with machines |
| labourers | people who work at jobs that require little skill or education |
| babyboom | huge numbers of babies born after WWII |
| birth rate | the average numbe of lives births in a year for every 1000 people |
| death rate | the average number of deaths per 1000 people in the population |
| MEDC | more economically developed countries |
| LEDC | less economically developed countries |
| sparsely populated | Areas that have few people living in them |
| population density | the number of people living in a given area of one square kilometer |
| densely populated | an area that is very crowed |
| natural increase | a measure of the difference between BR and DR in a country |
| population distribution | the pattern of where people live ina particular area |
| population explosion | Stage 2 rapid growth in population resulting from birth rates being far greater than death rates |
| DTM | a graph that shows how changes in birth and death rates over a period of time may be related to different stages of development |
| 3rd world countries | Poor countries where the resources of an area are unable to support the number of people living there. |
| population pyramid | a type of horizontal bar graph used to show the population structure of an area |
