Chapter 9.1 Key Terms
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7 terms
Terms | Definitions |
|---|---|
| demography | the study of the characterstics of populations, especially human populations. |
| age structure | the classification of members of a population into groups according to age or the distribution of members of a population in terms of age groups. |
| survivorship | the percentage of newborn individuals in a population that can be expected to survive indefinetely. |
| fertility rate | the number of births (usually per year) per 1,000 women of childbearing age (usually 15 to 44). |
| migration | in general, any movement of individuals or populations from one location to another. |
| life expectancy | the average length of time that an individual is expected to live. |
| demographic transition | the general pattern of demographic change from high birth and death rates to low birth and death rates, as observed in the history of more-developed countries. |
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