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IMF Real Size of the World Economies

The International Comparison Program (ICP) released [on April 29, 2014] new data today showing that the world economy produced goods and services worth over $90 trillion in 2011, and that almost half of the world’s total output came from low and middle income countries. Under the authority of the United Nations Statistical Commission, the 2011 round of ICP covered 199 economies – the most extensive effort to measure Purchasing Power Parities (PPPs) across countries ever. ICP 2011 estimates benefited from a number of methodological improvements over past efforts to calculate PPPs. The ICP’s principal outputs are PPPs for 2011 and estimates of PPP-based gross domestic product (GDP) and its major components in aggregate and per capita terms. When converting national economic measures (e.g. GDP), into a common currency, PPPs are a more direct measure of what money can buy than exchange rates.”

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