Baker, Don (2013). "Korea's Path of Secularisation". In Ghosh, Ranjan (ed.). Making Sense of the Secular: Critical Perspectives from Europe to Asia. Routledge. pp. 182–193. ISBN1136277218.
"성, 연령 및 종교별 인구 - 시군구" [Population by Gender, Age, and Religion - City/Country]. Korean Statistical Information Service (in Korean). 2015. Retrieved 2018-03-17.
"시도/연령/성별 종교인구" [Population by Cities, Age, Gender, Religion]. Korean Statistical Information Service (in Korean). 1985. Retrieved 2018-03-17.
"행정구역/성/연령별 종교인구" [Population of Religions by Region, Gender, Age]. Korean Statistical Information Service (in Korean). 1995. Retrieved 2018-03-17.
"성/연령/종교별 인구 - 시군구" [Population by Gender, Age, and Religion - City/Country]. Korean Statistical Information Service (in Korean). 2005. Retrieved 2018-03-17.