While the middle class incomes of Canada and most Western European countries continued to rise, even during the deep global recession that began in 2009, the U.S. saw its median annual income fall during the late 2000s and early 2010s. The only other aforementioned country to experience a similar decline was Britain. The middle class in Canada, on the other hand, continued to amass wealth robustly during the recession, albeit at a slightly slower pace than in years prior.
Read more: http://www.investopedia.com/ask/answers/040615/what-country-has-richest-middle-class.asp#ixzz3WXsk0dHW
Follow us: @Investopedia on Twitter