
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. 









a. 
What
was the overall trend in life expectancy between 1965 and 1998? 



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your answer in the space below: 
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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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your answer in the space below: 
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answer: 









c. 
What
do the numbers suggest about living conditions in lowincome countries
and middleincome countries? 



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your answer in the space below: 
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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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your answer in the space below: 
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