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Definition
| the people living in a particular region, especially the total number of people in an area |
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| the average number of people living in a given area |
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Definition
how a population is spread over an area |
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| a scientist who studies human populations, including their size; growth; density; distribution; and rates of births, marriages, and deaths |
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Definition
| the number of live births each year per 1,000 people |
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Definition
| the number of deaths each year per 1,000 people |
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Definition
| the number of years that a person may be expected, on average, to live |
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Definition
| changes in agriculture since the 1950's that have greatly increased the world's food supply |
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Definition
| the movement of people from one country or region to another in order to make a new home |
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| a person who moves to a new country in order to settle there |
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Definition
| a theory of migration that says people migrate because certain things in ther lives "push" them to leave, and certain things a new place "pull" them |
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| the growth of city populations caused by the movement of people to cities |
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Definition
| an area with a high population density; a city or town |
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Definition
| an area with a low population density, such as a village or the countryside |
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