Created by Erica Wynter
almost 7 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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