Diapositive 1

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POPULATION How is population measured? Graphs
show increase/decrease in population over
time Pyramids show distribution of population by
age and sex Factors affecting population
change/predictions War Disease Natural
Disasters/Drought Famine Level of
Development Wealth/Poverty Education Health
Care Cultural Attitudes
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Population trends are measured by Birth and
death rates Natural Increase Fertility
rates Infant childhood mortality Life
expectancy How useful are these for making
predictions?
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• How has global population distribution changed
  between 1950 and 2000?
• What are the predicted changes between 2000 and
  2050?

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• Countries and Areas Ranked by Population 1950
• 1 China 562,579,779
• 2 India 369,880,000
• 3 United States 152,271,000
• 4 Russia 101,936,816
• 5 Japan 83,805,000
• 6 Indonesia 82,978,392
• 7 Germany 68,374,572
• 8 Brazil 53,443,075
• 9 United Kingdom 50,127,000
• 10 Italy 47,105,000

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• Countries and Areas Ranked by Population 2000
• 1 China 1,268,853,362
• 2 India 1,004,124,224
• 3 United States 282,338,631
• 4 Indonesia 213,829,469
• 5 Brazil 175,552,771
• 6 Russia 146,709,971
• 7 Pakistan 143,958,926
• 8 Bangladesh 130,406,594
• 9 Japan 126,729,223
• 10 Nigeria 114,306,700

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• Countries and Areas Ranked by Population 2050
• 1 India 1,807,878,574
• 2 China 1,424,161,948
• 3 United States 420,080,587
• 4 Nigeria 356,523,597
• 5 Indonesia 313,020,847
• 6 Bangladesh 279,955,405
• 7 Pakistan 277,554,980
• 8 Brazil 228,426,737
• 9 Congo 203,039,557
• 10 Mexico 147,907,650