Purchasing Power Parities and Real Expenditures of World Economies

The International Comparison Program (ICP) of the World Bank is a worldwide statistical initiative. The program estimates purchasing power parities for use as currency converters to compare the size and price levels of economies around the world. 

This report describes the key results of  the 2011 ICP that covered 199 economies from eight regions, seven of them geographical: Africa, Asia and the Pacific, Commonwealth of Independent States, Latin America, the Caribbean, Western Asia, and the Pacific Islands.


  • Introduction
  • Organization of ICP 2011
  • Conceptual framework
  • Overview of methodology
  • Reliability and limitations of PPPs and real expenditures
  • Summary of ICP 2011 results
  • Analysis of ICP 2011 summery results
  • Appendix: List of economies and currencies

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