Terms used in official statistics

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Actual increase

Description of the concept that applied to: 31.12.2017

The sum of natural increase and net internal and international migration (for permanent and temporary residence). In case of gminas, also balance of population movements caused by administrative changes is taken into account, which means that annual increase, i.e. difference expressed in absolute numbers between two population sizes in a given gmina as at the beginning and end of the analysed period.