Population size is a data on the number of residents with permanent residence in a given territorial unit of the Slovak Republic.

The type of residence is urban or rural. The municipality is declared a city by the National Council of the Slovak Republic on the proposal of the Government of the Slovak Republic.

The age expresses the completed age of a resident. Age units structure the population into one-year age groups.

Nationality refers to a legal status between a resident and a state. For residents with multiple nationalities, the data on the first nationality are taken over in the basic results.

Marital status expresses the legal status valid in the Slovak Republic related to a marriage (single/married, divorced/widow/widower).

The highest level of education attained denotes the highest level of education successfully completed by the population.

The group "without completed education (0 - 14)" represents the population without school education aged less than 15 years.

The group "with basic education" represents the population with completed 1st or 2nd grade of primary school.

The group "with a university degree" represents the population with completed 1st or 2nd or 3rd grade of university.

The group "without school education (15+)" represents the population without school education aged 15 and over.

The size group of municipality is determined according to the number of population (e. g. the municipality belongs to the size group 0 to 199 inhabitants, because it has 64 inhabitants). Bratislava is processed according to city parts, not as 1 municipality, as well as Košice.

The age expresses the completed age of a resident. Age units structure the population into one-year age groups.

The place of birth of a resident is the permanent residence of the mother at the time of his/her birth.

The ethnicity expresses the affiliation of a resident to a nation or ethnic group, regardless of citizenship, mother tongue or language that the resident predominantly uses or has the best command of. The data is self-declaratory.

Another ethnicity is the affiliation of a resident to another nation or ethnic group, regardless of citizenship, mother tongue or language that the resident also uses or has command of. The data is self-declaratory.

The mother tongue refers to the language which was spoken to a resident most often at home in childhood. The data is self-declaratory.

The religious belief is the membership or relationship of a resident to a church, religious society or religion, or participation in the religious life. The data is self-declaratory.