Roman Catholics represents 56% of the population

The population of Slovakia is characterized by the religious structure, in which the Roman Catholic religion was and is accounted for the historically highest share. However, the main intercensal trend is an increase in the share of population with no religion.

Most residents of the SR (3 million) stated the Roman Catholic religion, in 2021 56% of the population declared membership in it. However, its share decreased by more than 6 percentage points compared to 2011.

The second largest group of residents are people who represented the Evangelical Church of the Augsburg Confession. Their share accounts for 5.3% (287,000). The third most numerous religion is represented by members of the Greek Catholic Church (218,000), they cover 4% of the population, and the fourth place is represented by the Calvinist religion (1.6%). Shares of all other religions represent less than 1%.

Population structure by religion in Slovakia at 01.01.2021

In the Slovak Republic, from a regional point of view, the Roman Catholic Church is the most numerous group in all regions of the Slovak Republic and at the same time represents a share of more than 50% in all regions, except for Bratislavský and Košický kraj. In the district of Námestovo, more than 90% of residents (92.4%) declared a membership in the Roman Catholic Church in the Slovak Republic. No other denomination has reached such a degree of homogeneity in any district.

The highest share of the population with no religion is in Bratislavský kraj, almost 40%. Districts, in which the share of the population with no religion reached more than 40%, are all districts of Bratislava and the district of Rožňava.