Problems with the scope, validity, and accuracy of statistical data on Puerto Ricans have led to difficulties in research on that population. This situation has contributed to the restricted access of Puerto Ricans to government-sponsored programs and to public services, such as education, that are necessary for social equality. (Author/GC)

Global figures that reveal the magnitude of the problem of illiteracy in the world disguise great disparities. For example, most of the illiteracy in the world is in developing countries. Therefore, it is preferable, and more appropriate in terms of numerical importance, to concentrate the analysis of illiteracy on developing countries. Such…