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Life Expectancy
Complete these exercises with information from Chart 1.
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Chart 1. Life Expectancy at Birth, 1965 and 1998
1. Using the data in Chart 1 on life expectancy at birth in 1965 and 1998, complete the table below as accurately as you can.
 
Changes in Life Expectancy at Birth, 1965 and 1998
  1965 1998 Years Added
Low- and middle-income countries
Low-income countries
Middle-income countries
High-income countries
United States
 
a. What was the overall trend in life expectancy between 1965 and 1998?
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b. Which group of countries -- low income, middle income, or high income -- had the greatest percentage increase in life expectancy? (Subtract the 1965 number from the 1998 number, divide the result by the 1965 number, and multiply by 100 to get the percentage.)
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c. What do the numbers suggest about living conditions in low-income countries and middle-income countries?
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d. Looking at the chart, what are some assumptions you can make about living conditions in the United States in 1900?
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2. Refer to Chart 1, the Text, and the Social Data Table.
a. How did life expectancy change in your country between 1980 and 1998?
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b. What do you think caused this change? Use the text and your own knowledge to support your answer.
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c. Was this change typical of your country's income group?
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d. What does this suggest to you about living conditions in your country relative to others in its income group?
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