Legend:
Consumers > $7,500 per family member per year; population 1.1
billion;
Middle income class from $700 to &7,500 per family member
per year; population 3.3. billion;
Poor < $700 per family member per year; population 1.1 billion.
* Based on: Durning, Alan. 1992. How
Much is Enough? New York: W.W. Norton & Company.