SOC NOTES FOR FINAL EXAM

SOC NOTES FOR FINAL EXAM - SOC NOTES FOR FINAL EXAM 3-30-10...

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SOC NOTES FOR FINAL EXAM 3-30-10 Population size= number of people that live within the boundaries of a designated geographic area such as a planet, a country, a state, a county, or a city Demography= a subspecialty within sociology that focuses on the study of human populations Size of a geographic area and rate of growth Studies population processes- changes Countries with 5 largest populations in the world People’s republic of china= 1.3 billion 20% of world pop India= 1.2 billion 17% of world pop U.S= 302 million <5% of world pop Annual population growth= births - deaths + net migration India annual population growth= 27.1 million – 7.9 million – 56,000= 19.1 million Population change Doubling time A population that grows at 3% per year doubles in 23 years Growth Rates China= .6 growth rate double time is 120 years India= 1.6 growth rate double time is 45 years U.S= .9 growth rate 80 double time is 80 years Indonesia= 2.4 growth rate double time is 30 years Brazil= 1 growth rate double time is 72 years Pakistan= 1.8 growth rate double time is 40 years Bangladesh= 2.1 growth rate double time is 34 years Russia= -.5 growth rate double time is ? Nigeria= 2.4 growth rate double times is 30 years
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Japan= -.1 growth rate double time is ? Age-sex pyramid shapes Expansive pyramids- broader base Constrictive pyramids- narrow base Stationary pyramids- somewhat of same size at the base and at the top with increasing ages Population pyramid The age sex composition of a population birth, death, and migration rates- for a certain time Migration is the movement of people from one place to another Migration can be… Permanent Temporary Voluntary Forced It can be international or internal Migration can occur as a result of push and pull factors Push factors are those which force a person to move. These can include: Drought, famine, lack of jobs, persecution, over population, civil war Pull factors are those which encourage a person to move. These include: Chance of a better job, better education, a better standard of living Between 1900 and 1990, approximately 38 million immigrants were admitted and an estimated 12 million foreign born persons emigrated That is for every 100 immigrants admitted, approximately 30 returned home In 2006, 311,000 people emigrated from the U.S 4-1-10 The demographic transition
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Links the birth and death rates in Western European countries and the U.S. to the level of industrialization and economic development 3 stages Stage 1= high birth and death rates Stage 2= transition stage Stage 3= low death rates and declining birth rates Define these concepts Crude birth rate Crude death rate Doubling time Infant mortality rate Total fertility rate- measured per woman over her reproductive lifespan Longevity- life expectancy- life tables Population reference bureau www.prb.org Thomas Malthus 1798 Malthus, positive checks served to keep population size in line with the food supply Positive checks: epidemics of infectious disease, war, famine, and natural disasters
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SOC NOTES FOR FINAL EXAM - SOC NOTES FOR FINAL EXAM 3-30-10...

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