Provides a brief overview of quantitative estimates of Colombian emigration including a discussion of how estimates were prepared. Concludes that estimates of international migration from Colombia are inflated and that such migration is not as significant as some observers claim. (CMG)

Compares the 1980 census count of aliens with estimates of the legally resident alien population based on data collected by the Immigration and Naturalization Service in January 1980. Provides estimates for each of the states for selected countries of birth and for age, sex, and period of entry categories. (RDN)

Uses 1980 Public Use Microfiles to delineate four Mexican-origin immigrant status groups--post-1975 Mexican-born noncitizens, pre-1975 Mexican-born noncitizens, self-reported naturalized citizens, and native-born Mexican Americans. Argues that the pattern of sociodemographic differences reveals that the first two categories contain a substantial…