Permanent population – the number of people living permanently on the territory of a definite settlement, irrespective of their presence at the moment of the registration.
Urban and rural population. The urban population includes people living in towns and cities, the rural population – those living in the country.
Nationality was registered according to the respondents’ word without written confirmation, the nationality of juveniles was defined by their parents. When it was difficult to define the nationality of a child, because the parents were of different nationalities, the preference was given to the nationality of the mother.