 "), roughly estimated close to 100,000 of which are second-generation.Of the first-generation Muslims, 255,000 are thought to be Sunni, 5,000 Shi'ites, no more than 1,000 Ahmadiya, Alevi and other groups and probably no more than 5,000 converts – mainly women married to Muslim men.In 2009 a US report stated that there are 450,000 to 500,000 Muslims in Sweden, around 5% of the total population, and that the Muslim Council of Sweden reported 106,327 officially registered members.