"Latin America," as used in this study, includes the Western Hemisphere except for Canada, the United States, its dependencies, and the Commonwealth of Puerto Rico; and certain minor dependencies of other countries, such as St. Pierre and Miquelon, and of course, the polar areas. General references to Latin America in the report are to all of the Latin American countries and dependencies. Specific references, however, are usually to either the group of 19 or 23 republics listed in app. table 1.