The purpose of this paper is to analyse the process of radicalization of Muslims in Norway. The paper begins by outlining the Muslim population, demographics, mosques, organizations, as well as political participation. The paper further presents a theoretical approach to radicalization while looking at the issue of radicalization in Norway. After this section, follows some case studies of Norwegian foreign fighters in Syria and supporters of terrorist attacks in Africa. At last, the government´s response to radicalization in Norway is outlined, with a following conclusion that explains the increase of among Norway´s population.