Why is Tina Turner switching from American to Swiss citizenship? The legendary singer, a longtime Zurich resident, told the Blick newspaper that she has been very happy in Switzerland and “can’t imagine a better place to live.” But some observers believe she may be one of thousands of American expatriates who have taken the drastic and irrevocable step of giving up their citizenship because of what they consider to be the unjust and discriminatory taxation practices of their government.