| A | B |
|---|
| Crude Birth Rate | The total number of live births in a year for every 1,000 people alive in society. |
| Crude Death Rate | The total number of deaths in a year for every 1,000 people alive in society. |
| Epidemiology | The branch of medical science concerned with the incidence, distribution, and control of diseases that are prevalent among a population and caused by things not generally present in affected locality. |
| Infant Mortality Rate | The total number of deaths in a year among people under one year of age for every 1,000 live births in society. |
| Pandemic | A disease that occurs over a wide geographic area and affects a very high proportion of the population. |
| Arithmetic Density | The total number of people divided by the total land area. |
| Arable Land | Land good for agriculture. |
| Overpopulation | A situation in which the number of people in an area exceeds the capacity of the environment to support life at a decent standard of living. |
| Population Pyramid | A bar graph that represents the distribution of population by age and sex. |
| Demography | The study of population characteristics. |
