The OECD's Society at a Glance report for 2014 called for "urgent action" to cut rising inequalities across the rich world.
“The economic recovery alone will not be enough to heal the social divisions and help the hardest hit bounce back,” OECD Secretary-General Angel Gurría said as the report was published on Tuesday.
“Governments need to put in place more effective social policies to help their citizens deal with future crises."
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However, the report noted that Norway is "doing well on most welfare indicators", coming second in the OECD in terms of general quality of life, with Norwegians on average rating their lives at 7.7 out of ten next to 6.6 for the OECD as a whole.