The turnover rate of CEOs at the world’s wealthiest companies jumped 10% in 2007, according to Weber Shandwick. In 2007, 81 CEOs at the world’s top 500 companies (ranked by income) left their jobs, including 27 at North American-based businesses alone. At 16.2%, the rate of CEO outplacement is approaching a 16.4% global high set three years ago.