Analyzes how basic concepts are used to characterize migration. Reference is made to the definitions underlying actual statistical systems, and to the internationally accepted model definitions. An in-depth analysis of the nature of the United Nations definitions reveals their potential limitations and allows an assessment of whether the achievement of homogeneity in statistical concepts should be a principal goal. -from Author

[No Keywords available]

information processing Research Methodology Obstacles population Migrants demography Data Sources methodology Research Design Population Dynamics Ethnic Groups ethnic group measurement United Nations definitions Data Reporting statistical concepts data collection systems Residence Characteristics reliability reproducibility Reproducibility of Results Article migration international migration population and population related phenomena Demographic Factors World research Emigration and Immigration Transients and Migrants Error Sources Population Characteristics Nationality population statistics Data Collection Place Of Birth