Obtaining reliable and timely estimates of migration flows is critical for advancing the migration theory and guiding policy decisions, but it remains a challenge. Digital data provide granular information on time and space, but do not draw from representative samples of the population, leading to biased estimates. We propose a method for…

In this study migration is examined as a component of population change. Decisions involved in migration are discussed. Source of migration data are suggested. Generalized in-migration and out-migration fields are described. Migration patterns before 1975 and recent migration patterns are examined and decisions underlying the latter are analyzed.…

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)

The purpose of this research project was to compile and analyze data concerning the composition and geographic distribution of South Africa's population for the purpose of future educational planning to meet the needs of four population groups. This document contains statistics and conclusions on: (1) the role of population shifts and…

This paper reviews issues pertaining to the relationship between child mortality and fertility and examines the fertility-mortality relationship of women who emigrated to Israel from various countries in Asia, Africa, and Europe and continued child bearing in Israel. Data from the 1961 Israel census of population is used. Among issues addressed in…

This analysis addresses the need for including age-structure effects in migration analysis as important for determining effects of a demographic process on an area's socioeconomic characteristics. It examines: (1) patterns of age-specific net migration across age groups for Texas' 254 counties in 1960-1970 and 1970-1980 using cluster analysis and,…

This research study attempts to provide a fuller understanding of policy-related and technical aspects of the migration process. The study bridges the gap between previous research and present concerns of policymakers. The report draws upon longitudinal household data; employs new methodological techniques; and defines explanatory variables to…

Data on the problem of the loss of professional manpower by developing countries to develop countries is reported and analyzed from a survey of over 1,300 foreign students in over 30 U. S. colleges and universities. The ideological and scholarly debate generated by the brain drain and approaches to the study of professional migration are reviewed,…

Anticipated demographic changes in the United States adult population in the decade between the National Adult Literacy Survey (NALS) of 1992 and the National Assessment of Adult Literacy (NAAL), which is scheduled for 2002, were reviewed. Next, the implications of those changes for the NALS and NAAL were analyzed. The analysis focused on births,…