PWT 6.3

PWT 6.3 includes 189 countries and territories, for the period 1950-2007, and uses 2005 as the reference year. Access to the data is provided below:

Attribution requirement - When using these data (for whatever purpose), please make the following reference:

• Alan Heston, Robert Summers and Bettina Aten, Penn World Table Version 6.3, Center for International Comparisons of Production, Income and Prices at the University of Pennsylvania, August 2009.

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Documentation and additional data

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The material is based upon work supported by the National Science Foundation under Grant No. 9911377. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.