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Population Growth Rate
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Chart 2. Average Annual Growth Rates by Country Income Group, 1980-2015
1. Study the information in Chart 2. What is happening to the average annual population growth rate in low- and middle-income countries over time?
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2. According to Chart 1, what is happening to the population size in low- and middle- income countries over time?
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3. How do you explain these two trends?
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4. The table below shows population data for three developing countries. Complete the table by calculating the annual population increase for each country (divide the percentage by 100 to get a decimal, then multiply population size by the decimal figure), then answer the questions that follow.
   
Country
Population size
Average Annual PGR %
Annual population change
1980
1998
1980
1998
1980
1998
Ethiopia
38,000,000
63,000,000
2.7
2.1
Pakistan
83,000,000
132,000,000
3.0
2.3
Ukraine
50,000,000
50,300,000
.2
-.8
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a. Look at the numbers for Pakistan. Although the average annual population growth rate decreased from 1980 to 1998, the annual population increase was greater in 1998. Why?
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b. What are the population trends in Ethiopia?
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c. What are the population trends in Ukraine? What would have been its total population in 1999? What might be some reasons for these trends?
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5. What effect might a declining population growth rate have on a country's economy and environment?
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6. Why might a country not want to slow its population growth?
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