"New inflows helped push pension fund assets in OECD countries to all-time highs, but poor market conditions and a low interest-rate environment generally hurt performance during the year, according to [a report published by the Organization for Economic Co-operation and Development]. Among nations, pension funds in Denmark performed the best on average, returning 12.1% in 2011. At the other end of the spectrum is Turkey, down 10.8%."  MORE >>