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27 Cards in this Set
- Front
- Back
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What are the 3 reasons why the study of population is imp.
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1. more people on earth now than ever before (6.75)
2. the world’s population increased at a faster rate during the second half of the 20th century than ever before in history. 3. almost all the global population is concentrated in LDCS, less developed countries |
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What is demography?
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The scientific study of population characteristics.
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What do demographers do?
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Demographers look statistically at how people are distributed spatially and by age, gender, occupation, fertility, health, etc.
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What are the two basic properties we examine?
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concentration and density
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What do we understand by studying the two basic properties?
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How population is distributed
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2/3s of the world are grouped in which regions?
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East Asia, South Asia, Western Europe, and Southeast Asia
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- % of people live in East Asia, - % in South Asia, and __ in Southeast Asia
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20%, 20%, half a billion
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Western Europe has how much of the world's population?
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1/9
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which island has the largest concentration? explain.
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Java, in Southeast Asia, has 100 million people but is a small island
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An ecumene is
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portion of the Earth's surface occupied by permanent human settlement
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A non-ecumene
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is a portion of Earth's surface that is inhabitable
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What four types of lands do people avoid?
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Wet, dry, cold, high
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Population density:
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# of people divided by total amount of land
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physiological density:
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# of people divided by total amount of arable land
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agricultural density
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total # of farmers divided by amount of arable land
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Crude means ...
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that we are connected with society as a whole rather than a redefined look at particular individuals or groups.
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Natural increase rate...
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percent by which a population grows in a year.
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Doubling time...
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total amount of time it will take to double a country's population assuming a constant rate of natural increase.
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Total fertility rate...
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the number of children a woman is expected to have in her childbearing years
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avg. total fertility rate?
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2.1 kids
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a woman's childbearing years:
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14-49
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Infant mortality rate...
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the number of deaths per children under age of 1 compared with total live births
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life expectancy:
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# of years a baby is expected to live at current mortality levels
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demographic transition:
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the process of change in a society's population from a condition of high crude birth adn death rates and low rate of natural increase to a condition of low crude birth and death rates, low rate of natural increase, and high total population
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What did Malthus say?
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the population was growing much more rapidly than Earth's food supply because population increased geometrically, whereas food supply increase arithmetically.
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what is the malthus chart?
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today: 1 person, 1 unit of food
25 yrs. 2 persons, 2 units 50 yrs. 4 persons, 3 units 75: 8 persons, 4 units 100 years: 16 persons, 5 units |
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what do neo-malthusians believe?
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that two characteristics of recent population growth make malthus's thesis more frightening than when it was first written more than 200 yrs. ago.
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