Based on the information in the chart, which two countries have the greatest difference in their standard of living?
GDP Per Capita
Poverty Rate
Literacy Rate
Avg. Life Expectancy
Canada
$39,400
9.4%
99%
81.4
United States
$47,200
15.1%
99%
78.4
Cuba
$9,900
n/a
99.8%
77.7
Brazil
$10,800
26%
88.6%
72.5