The purchasing power parities and real expenditures contained in this joint Eurostat-OECD publication cover 42 countries including the 30 OECD member countries, the 25 EU countries, Israel and the Russian Federation. They are based on price and expenditure data for 2002 and have been calculated using the EKS aggregation method. International comparisons of price levels and real GDP can be made using the price and volume measures presented in this publication.