Prices and purchasing power parities (PPP)

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  • Inflation or Consumer price Index (CPI)?

    Inflation is a rise in the general level of prices of goods and services that households acquire for the purpose of consumption in an economy over a period of time.

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  • What are PPPs?

    PPPs are the rates of currency conversion that equalize the purchasing power of different currencies by eliminating the differences in price levels between countries. In their simplest form, PPPs are simply price relatives that show the ratio of the prices in national currencies of the same good or service in different countries.

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  • Methodological Guide for Developing Producer Price Indices for Services (SPPI)

    This second edition of the SPPI Guide is a complement to the International Producer Price Index Manual published by the IMF in 2004 in two ways: it focuses on service-specific aspects in the PPI compilation by developing further the conceptual framework and it adds detailed descriptions of PPI measurement for a wide range of individual service industries.

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What's new

Inflation in the OECD area surges to 8.8% in March 2022 as energy prices continue to rise

4 May 2022 – Consumer prices in the OECD area rose by 8.8% year-on-year in March 2022, compared with 7.8% in February 2022, and just 2.4% in March 2021; it was their sharpest increasesince October 1988. Around one fifth of OECD countries recorded double-digit inflation, with the highest rate in Turkey at 61.1%.

Energy price inflation in the OECD soared to 33.7% year-on-year in March, up from 26.6% in February, its highest rate since May 1980. Excluding food and energy, year-on-year inflation increased to 5.9% in March, after 5.6% in February 2022.  


Behind the numbers

Statistical references

More on methodology


Energy prices push OECD inflation up to 2.4% in March 2021