Migracijska Statistika, Ukupan Broj Stanovnika I Tablice Očekivanog Trajanja Života – Metodologija Koja Se Rabi U Bugarskoj
Migration Statistics, Population Accounts and Life Tables – the Methodology Used in Bulgaria

Summary/Abstract: Vital statistics in Bulgaria are considered to be comparatively detailed, complete and precise. Professionals at the National Statistical Institute prefer to use these data together with more direct methods to produce life tables with single year age groups separately for males and females. However, external migration might present a conceptual problem for such methods, while more sophisticated methodologies might not be applicable because migration data are usually scarce and very unreliable. Migration might affect the derivation of life tables in two main ways. First, migration is a competitive risk to mortality and should be encompassed carefully, particularly for years with a high number of emigrants as is the typical case for Bulgaria.

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