Population and Urbanization Chapter 15. Demography and Fertility Demography is a field of sociology...
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Transcript of Population and Urbanization Chapter 15. Demography and Fertility Demography is a field of sociology...
![Page 1: Population and Urbanization Chapter 15. Demography and Fertility Demography is a field of sociology that examines population size, composition, and distribution.](https://reader035.fdocuments.in/reader035/viewer/2022062422/56649f335503460f94c4f408/html5/thumbnails/1.jpg)
Population and UrbanizationChapter 15
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Demography and Fertility
•Demography is a field of sociology that examines population size, composition, and distribution.▫Demography is used to examine the effects
of population on society•Fertility is the level of childbearing for an
individual or population.▫This is affected by the demography.
How many women? Health and nutrition?
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Birth Rates and Mortality
•Crude birth rate…the number of live births per 1000 people in a given year.▫ 14.2 in 2000▫ 27 in 1947 (baby boom)▫ Some nations have high crude birth rates but also have
high infant mortality rates.
•Mortality is the incidence of death in a population.▫ Crude death rate…number of deaths per 1000 in a given
year.▫ Infant mortality rate…number of deaths with infants
under 1 year.
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Migration
•Migration is the movement of people from one geographic area to another (forced or voluntary).
Wars Persecution Natural disasters Political unrest
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Migration
Two types of movement:• Immigration is the movement of people into
a geographic area to take up residency.▫Pull factors…people are pulled to an area
Freedom, democratic government etc…•Emigration is the movement of people out of
a geographic area to take up residency elsewhere.▫Push factors…people are pushed from an area
Natural disasters, tyrannical government
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Population Composition
•Population composition is a part of demography that looks at the make up of the population including:▫Age▫Sex▫Marital status▫Education▫Occupation▫Income▫Size of household
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Population
•Between 2000 and 2030, almost all of the world’s 1.4 % annual population growth will occur in low-income countries in Africa, Asia, and Latin America.
•6 billion in 1999, 7 billion in 2011.•Predicted to be 8 billion by 2023 and 10
billion by 2050.▫Many feel Earth can’t support that
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Growth in the World’s Population
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Leading Causes of Death in the United States
1900 Rank 1997
Influenza/pneumonia
1 Heart disease
Tuberculosis 2 Cancer
Intestinal disease 3 Stroke
Heart disease 4 Chronic lung disease
Cerebral hemorrhage 5 Accidents
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Leading Causes of Death in the United States
1900 Rank 1997
Kidney disease 6Pneumonia and
influenza
Accidents 7 Diabetes
Cancer 8 HIV
Diseases in early infancy 9 Suicide
Diphtheria 10 Homicide
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Theories of Population Growth
•The Malthusian Perspective•The Marxist Perspective•The Neo-Malthusian Perspective•Demographic Transition Theory
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Malthusian Perspective
•If left unchecked, the population would exceed the available food supply.
•Population would increase in a geometric progression (2, 4, 8, …) .
•The food supply would increase by an arithmetic progression (1, 2, 3, 4 . . .).
•Believed only acceptable check on population is moral restraint.▫People should practice abstinence.
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Marxist Perspective
•Using technology, food can be produced for a growing population. ▫Capitalism is the root of the problem▫Wealthy control the resources and means
of food production.•Overpopulation will lead to the eventual
destruction of capitalism.•Workers will become dissatisfied and
develop class-consciousness because of shared oppression.
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The Neo-Malthusian Perspective•More recent movement.•Overpopulation and rapid population
growth result in global environmental problems.▫Believe in use of birth control
•People should be encouraging zero population growth.▫Population balances…does not grow
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Demographic Transition Theory
• Stage 1: Preindustrial Societies - little population growth, high birth rates offset by high death rates.
• Stage 2: Early Industrialization - significant population growth, birth rates are relatively high, death rates decline.
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Demographic Transition Theory
•Stage 3: Advanced Industrialization and Urbanization - very little population growth occurs, birth rates and death rates are low.
•Stage 4: Postindustrialization - birth rates decline as more women are employed and raising children becomes more costly.
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Fig. 15-3, p. 457
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Urbanization
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Development of a City
City… a relatively permanent and dense settlement of people with non-agricultural activities.
Three preconditions: •A favorable physical environment.•An advanced technology that could
produce a social surplus.•A well-developed political system to
provide social stability to the economic system.
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Earliest Cities
•About 3500 B.C. in Mesopotamia▫5000-10,000 people
•Rome grew to 650,000 around 100
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p. 460
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Concentric Zone Model Functionalist Perspective)•Each area of the city is developed
depending on land use. Areas move from center circularly.
•Invasion…new type of land use evolves in occupied area
•Succession…the invading land use eventually dominates the area
•Gentrification…middle and upper middle classes move into city and renovate.
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Sector and Multiple Nuclei
•Sector model emphasizes the importance of terrain and transportation in the layout of a city.
•Multiple Nuclei model says that cities have numerous centers of development.
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Fig. 15-4, p. 464
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Conflict Perspective
•Conflict theorists believe that cities do not grow or decline by chance…they believe they are the products of capitalist decisions.▫Cities are developed based on exchange
value…the profits that the wealthy make from development.
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Symbolic Interactionist Perspective•Simmel's View of City Life
▫Urban life is stimulating; it shapes people's thoughts and actions.
▫Many urban residents avoid emotional involvement with each other and try to ignore events taking place around them.
▫Urban living can be liberating - people have opportunities for individualism and autonomy.
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Suburbs
•Since World War II, the U.S. population has shifted as people moved to the suburbs.
•Suburbanites rely on urban centers for employment but pay property taxes to suburban governments and school districts.▫Leads to fiscal crisis in cities.
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Fig. 15-5, p. 471
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Fig. 15-6, p. 474