This study analyses in detail the dynamics of the development of different types of worldviews (religious and particularly non-religious) in Slovakia. It is based on the results of four censuses along with the European Values Study (EVS) conducted in Slovakia in 1991, 1999, 2008, and 2017. The basic analytical tool is the typological method based on data from the EVS. The results show that in Slovakia, among the large number of possible theoretical types of worldviews, only five are empirically present in an analysable quantity, two of which concern people without religious affiliation. The results show that in this latter group, which has remained around 25% over the long term in Slovakia, the majority are rather indifferent to religion and only about one-fifth of them (4.5% of the total population in 2017) are people who can be considered atheists.