Едно виждане за същността и съдържанието на някои основни демографски понятия
A notion of the essence and content of some basic demographic concepts

Summary/Abstract: Some basic concepts as demographic state, occurrence, process, situation and development are discussed. The demographic state of the single individual who is unique is considered as a main concept. The methodological approach of demographic studies tends to consider the population as statistical combination of units - i.e. individuals with signs characterising their demographic states at every single moment. The demographic occurrence is thought to be a transition between the demographic states. The constant stream of changes in population demographic states finds expression in the demographic processes which comprise its whole reproduction as well as the reproduction of its separate parts. The simultaneous manifestaton of demographic processes determines the common demographic situation and development.

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