North American universities are feeling the pressure from emerging Asian academic powerhouses according to a new global ranking by the Times Higher Education World University Rankings (WUR). Using a weighted set of criteria (see chart), the WUR shows that the number of qualifying US institutions placed in the top 200 dropped slightly from 77 to 74 between 2013-14 and 2014-15, while six of Canada's eight universities in the top 200 slipped in the ranking.