9461771
Description
Flashcards by Erica Wynter, updated more than 1 year ago
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Created by Erica Wynter
over 8 years ago
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| Question | Answer |
| Population Explosion | The rapid population growth of the developing world in the post-1950 period |
| Birth rate | The number of live births per thousand population in a year |
| Death rate | The number of deaths per thousand population in a year |
| Rate of natural change | -The difference between the birth rate and the death rate - If positive - known as natural increase - If negative - known as natural decrease |
| Rate of net migration | The difference between the rates of immigration and emigration |
| Immigration rate | Number of immigrants per thousand population entering a receiving country in a year |
| Emigration rate | Number of emigrants per thousand population leaving their country of origin in a year |
| The rate of net migration | difference between the rates of immigration and emigration |
| Model of demographic transition | A model illustrating the historical shift of birth and death rates from high to low levels in a population |
| Total fertility rate | The average number of children a woman has during her lifetime |
| Infant mortality rate | The number of deaths of children under one year of age per 1000 live births per year |
| Life expectancy at birth | The average number of years a newborn infant can expect to live under current mortality levels |
| Depopulation | A decline in the number of people in a population |
| Optimum population | The best balance between number of people and available resources - usually viewed as the population that allows the highest average living standard in a country |
| Under-population | When there are too few people in an area to use the resources available effectively |
| Over-population | When there are too many people in an area relative to the resources and the level of technology available |
| Underemployment | A situation where people are working less than they would like to and need to in order to earn a reasonable living |
| Population policy | All the measures taken by a government aimed at influencing - population size - growth - distribution - or composition |
| Pro-natalist policies | Such policies promote larger families |
| Anti-natalist policies | Auch policies aim to reduce population growth |
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