OECD now accounts for slightly less than 50% of world GDP, large emerging economies for about 30%
OECD countries accounted for around 50% of the world’s Gross Domestic Product (GDP) expressed in Purchasing Power Parities (PPPs) in 2011 - the latest benchmark year - compared with about 60% in 2005, the previous benchmark year, according to new data released today by the International Comparison Program (ICP).