In this study, I address the relationship between religion and politics in the Nordic countries, 1988–2012, against a background of increasing religious diversity alongside more or less continuous relationships between church and state. My aim is to analyse possible changes in the way religion is referred to by Nordic parliamentary parties, and in the way these parties use religion as a means to societal cohesion. I use theories on religious change and on the motives for using religion in politics to discuss a possible re-emergence of religion in politics, with the help of concepts such as functional differentiation, glocalisation and politicisation. I apply different forms of content analysis in a mixed-methods approach, using both substantial and functional definitions of religion. The thesis is based on four articles published or accepted for publication in peer-reviewed international journals: First, a study on religion in Nordic party platforms from around 1988, 1998 and 2008. Second, a study on religion in Danish, Norwegian and Swedish parliamentary debates, 1988/89, 1998/99 and 2008/09. Third, a study on the role of the majority churches in the final Nordic parliamentary debates on same-sex unions 1989–2012.
Fourth, a study on Danish and Norwegian parliamentary debates on the wearing of veils among judges and policewomen in 2009. The major findings are that the references to religious diversity in party platforms and parliamentary debates have increased, which leads to a more complex understanding of the religious cleavage in politics, and that right-wing populist parties in particular politicise religion to achieve political influence. Furthermore, human rights have been increasingly used to address religious diversity as a political issue. I interpret these findings as continuous use of religion for societal cohesion in Nordic politics, through a model of different forms of politicisation using the concepts civil religion, human rights and nationalism. The thesis contributes to a better understanding of the religious cleavage, politicisation of religion, the impact of globalisation on the political debate about religion and changes as well as continuity regarding the use of religion in Nordic politics.