Different sources of information
The statistics regarding religious affiliation were obtained by the Statistics Finland.
The Evangelical Lutheran Church has a wide variety of statistical information on its own members including church rites and attending various religious activities. This information is gathered on annual basis by the Church Council.
There is plenty of survey data and analysis on Finnish religiosity. The majority of this has been carried out be the Church Research Institute. Basic information on practically all religious movements in Finland has been collected by the project Religions in Finland.
18 September 2012