Research dealing with population and family planning in specific Latin American countries is summarized in this collection of demographic studies. Countries for which information is provided include Argentina, Barbados, Bolivia, Brazil, Chile, Colombia, Costa Rica, Guatemala, Haiti, Honduras, Jamaica, Mexico, Nicaragua, and Peru. Each country lists demographic statistics for 1965 and 1970 followed by the name of the specific study or studies; the sample used for the study; the number, sex, location, age, education, economic status, fertility, and religiosity of the sample if available; attitudes on fertility if applicable to the study; and general comments or conclusions drawn from the study. Ample statistical data supplements the narrative information. A bibliography of materials about knowledge, attitudes, and practices of family planning is furnished. (BL)