世界经济论坛发布的全球竞争力指数显示，美国从前一年的第四位下滑至2011-2012间的第五位，延续2005年来明显的持续下滑势头。
According to the World Economic Forum’s Global Competitiveness Index, the US slipped to fifth place in 2011-2012, from fourth place the previous year, continuing a general downward trend evident since 2005.