The European Social Survey asked the question "Which religion or denomination do you belong to at present?" with 50.54% of respondents selecting "no religion" in 2002 and 52.68% selecting "no religion" in 2008.
歐洲社會調查“你目前屬於哪種宗教或教派？” 2002年有50.54％的受訪者選擇“無宗教信仰”，2008年選擇“無信仰”的受訪者為52.68％。