evidence: The ban was proposed by the right-wing Swiss People's Party, which campaigned with slogans such as "Stop extremism," BBC News reports. [...] The Central Council of Muslims, a leading Swiss Islamic group, said it was "a dark day" for Muslims. [...] According to research by the University of Lucerne, almost no one in Switzerland wears a burqa, and only around 30 women in the nation wear the niqab. About 5% of Switzerland's population of about 8.5 million people are Muslim; however, AP reports that the Swiss government opposed the ban, in part because it could harm tourism.