The increase in agnosticism is also attributed to public figures declaring themselves agnostic, such as President Ivo Josipović.

[4] Several irreligious organizations were founded in the 2000s, such as Protagora, David, Glas razuma - Pokret za sekularnu Hrvatsku, Nisam vjernik.

[7] Irreligion in Croatia grew during the period of Communist rule, and it fell rapidly following Croatian independence from Yugoslavia.

[6] Following the reintroduction of Catholicism into mainstream discourse in Croatia, an increase of discrimination against the irreligious has been observed, particularly in schools and government activity.

[10] Some prominent leaders of New Atheist activist organizations, namely Neven Barković from Nisam vjernik, publicly expressed support for US-led intervention against Syrian president Bashar al-Assad in 2013.

The highest number of irreligious people live in Istria (15.83%) and Primorje-Gorski Kotar (13.74%) counties and the City of Zagreb (13.82%).

In 20 local administrative units with the lowest percentage of irreligious population (less than 0.36%), are mostly municipalities in southwestern and eastern Croatian counties.

[13][14][12] A general scarcity of scientific research on irreligion in Croatia means that there is no way to know what proportions of subgroups such as voters, workers in specific industries, etc.