development. The World Bank, for
instance, uses GNP per capita to classify
countries as low-income (GNP per capita
of $765 or less in 1995), middle-income
(including lower-middle-income, $766
to $3,035, and upper-middle-income,
$3,036 to $9,385), or high-income
($9,386 or more; Map 2.1)