Term
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Definition
| The ratio of the number of farmers to the total amount of land suitable for agriculture. |
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Term
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Definition
| Land suitable for agriculture. |
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Term
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Definition
| The total number of people divided by the total land area. |
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Term
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Definition
| The number of people per unit of area of arable, which is land suitable for agriculture. |
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Term
| Natural Increase Rate (NIR) |
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Definition
| The percentage growth of a population in a year, computed as the crude birth rate minus the crude death rate. |
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Term
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Definition
| The number of years needed to double a population, assuming a constant rate of natural increase. |
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Term
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Definition
| The total number of live births in a year for every 1,000 people alive in the society. |
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Term
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Definition
| The total number of deaths in a year for every 1,000 people alive in the society. |
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Term
| Total Fertility Rate (TFR) |
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Definition
| The average number of children a woman will have throughout her childbearing years. |
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Term
| Infant Mortality Rate (IMR) |
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Definition
| The total number of deaths in a year among infants under 1 year old for every 1,000 live births in a society. |
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Term
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Definition
| The average number of years an individual can be expected to live given current social, economic, and medical conditions. Life expectancy at birth is the average number of years a newborn infant can expect to live. |
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Term
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Definition
| The number of people under the age of 15 and over age 64 compared to the number of people active in the labor force. |
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Term
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Definition
| The process of change in a society's population from a condition of high crude birth and death rates and low rate of natural increase to a condition of low crude birth and death rates, low rate of natural increase, and a higher total population. |
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Term
| Epidemiological Transition |
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Definition
| Distinctive causes of death in each stage of the demographic transition. |
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Term
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Definition
| Branch of medical science concerned with the incidence, distribution, and control of diseases that affect large numbers of people. |
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Term
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Definition
| Disease that occurs over a wide geographic area and affects a very high proportion of the population. |
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Term
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Definition
| The number of people in an area exceeds the capacity of the environment to support life at a decent standard of living. |
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