Term 
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        Definition 
        
        | the number of people in an areas exceeds the capacity of the environment to support life at a decent standard of living |  
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        Term 
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        Definition 
        
        | portion of the earth's surface occupied by permanent human settlement |  
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        Term 
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        Definition 
        
        | number of people occupying an area of land |  
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        Term 
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        Definition 
        
        | the total number of people divided by the total land area |  
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        Term 
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        Definition 
        
        | the number of people per unit of area of arable land, which is land suitable for agriculture |  
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        Term 
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        Definition 
        
        the ratio of the number of farmers to the total amount of land suitable for agriculture 
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        Term 
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        Definition 
        
        | land suitable for farming |  
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        Term 
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        Definition 
        
        | the total number of live births in a year for ever 1,000 people alive in society |  
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        Term 
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        Definition 
        
        | the total number of deaths in a year for 1,000 people alive in the society |  
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        Term 
        
        | natural increase rate (NIR) |  
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        Definition 
        
        | the percentage growth of a population in a year, computed as the crude birth rate minus the crude death rate |  
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        Term 
        
        | total fertility rate (TFR) |  
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        Definition 
        
        | the average number of children a woman will have throughout her childbearing years |  
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        Term 
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        Definition 
        
        | the number of years needed to double a population, assuming a constant rate of natural increase |  
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        Term 
        
        | infant mortality rate (IMR) |  
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        Definition 
        
        | the total number deaths in a year among infants under 1 year old for every 1,000 live births in a society |  
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        Term 
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        Definition 
        
        | average number of years an individual is expected to live, based on current social, economic, and medical conditions |  
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        Term 
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        Definition 
        
        | largest number of individuals that can survive over a period of time in a given environment |  
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        Term 
        
        | demographic transition model |  
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        Definition 
        
        | process of change in a society's population |  
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        Term 
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        Definition 
        
        | calculates total population births-deaths +/- net migration = total population |  
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        Term 
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        Definition 
        
        | continual population increase despite reduced reproductive rates |  
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        Term 
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        Definition 
        
        | demographic transition model stage 4, CBR=CDR |  
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        Term 
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        Definition 
        
        | bar graph that displays a country's population distribution by age and sex age distribution |  
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        Term 
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        Definition 
        
        | the estimated population in a certain time in the future |  
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        Term 
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        Definition 
        
        | number of people who are too young or too old to work, compared to the number of people in their productive years |  
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        Term 
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        Definition 
        
        | number of males per hundred females in the population |  
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