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Population Geography F Distribution of World Population F Population Statistics F Population Pyramids F Demographic Transition Model F Population Control F Overpopulation (Malthus and Neo- Malthusians
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Palestinian Territories Fertility Rate 1975-19807.39 1980-19857.00 1985-19906.43 1990-19956.46 1995-20005.99 2000-20055.57 2.1 is generally regarded as the replacement rate (the rate at which a population neither grows nor shrinks) in the developed world. In less developed countries this rate should be higher to account for so many children not reaching childbearing age. AfricaFertility Rate 1975-19806.60 1980-19856.45 1985-19906.11 1990-19955.67 1995-20005.26 2000-20054.97 U.K. Total fertility rate 1975-19801.72 1980-19851.80 1985-19901.81 1990-19951.78 1995-20001.70 2000-20051.66 Total Fertility Rate - the average number of children a women will have in her childbearing years. This rate varies from just over 1 (Japan, Italy) to around 7 (Niger, Mali). The U.S. rate is 2.
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Infant Mortality Rate – the number of deaths of children under the age of one per thousand live births. The rate ranges from as low as 3 (Singapore, Iceland) to as much as 150 (Sierra Leone, Afghanistan). The U.S. rate is just over 6. High infant mortality tends to result in higher fertility rates as families seek “insurance” for the loss of children.
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World Death Rates F Infectious diseases –HIV/AIDS –SARS F Degenerative diseases –Obesity –Tobacco use F Epidemiology F Epidemiological transition
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Rates of Natural Increase
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Demographic Transition Model
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F Stage one (preindustrial/pre-agricultural) –Crude birth/death rate high –Fragile, but stable, population F Stage two (improved agriculture and medicine) –Lower death rates –Infant mortality rate falls –Natural increase very high F Stage three (attitudes change) –Indicative of richer developed countries –Higher standards of living/education –Crude birth rate finally falls F Stage four –Crude birth/death rates low –Population stable –Populations aging
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First stage Stage One High Stationary Pre-industrial stage
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First Stage F High Birth Rate F High Death Rate F Population Stationary
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Demographic Transition Model
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F Stage one (preindustrial/pre-agricultural) –Crude birth/death rate high –Fragile, but stable, population F Stage two (improved agriculture and medicine) –Lower death rates –Infant mortality rate falls –Natural increase very high F Stage three (attitudes change) –Indicative of richer developed countries –Higher standards of living/education –Crude birth rate finally falls F Stage four –Crude birth/death rates low –Population stable –Populations aging
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Second Stage F Stage two F Early expanding F Early industrial
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Second Stage F Industrial revolution F Migration to urban F Increase in health, people live longer F Better sewage, food, water
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Demographic Transition Model
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F Stage one (preindustrial/pre-agricultural) –Crude birth/death rate high –Fragile, but stable, population F Stage two (improved agriculture and medicine) –Lower death rates –Infant mortality rate falls –Natural increase very high F Stage three (attitudes change) –Indicative of richer developed countries –Higher standards of living/education –Crude birth rate finally falls F Stage four –Crude birth/death rates low –Population stable –Populations aging
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Third Stage F Stage three F Late expanding F Late industrial
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Third Stage F Industrial revolution F Migration to urban F Fewer farmer, more machines, F Children become a liability F Less need for children, drop in births
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Third Stage F Population continues to grow F Older baby boom must age enough to get old enough to die
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Demographic Transition Model
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F Stage one (preindustrial/pre-agricultural) –Crude birth/death rate high –Fragile, but stable, population F Stage two (improved agriculture and medicine) –Lower death rates –Infant mortality rate falls –Natural increase very high F Stage three (attitudes change) –Indicative of richer developed countries –Higher standards of living/education –Crude birth rate finally falls F Stage four –Crude birth/death rates low –Population stable –Populations aging
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Fourth Stage F Stage Four F Low stationary F Post industrial
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Fourth Stage F Birth and death rates low F Population stable F Less need for children F More educated women
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Demographic Transition Model
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Stage Five F Service Sector F Post industrial
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Stage Five F Death rate stable F Birth rates fall F Population drops
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Exceptions to model F Disease F Government F Culture
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Problems with the Demographic Transition Model based on European experience, assumes all countries will progress to complete industrialization many countries reducing growth rate dramatically without increase in wealth on the other hand, some countries “stuck” in stage 2 or stage 3
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