Prices and purchasing power parities (PPP)

Learn more

  • 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.

    Read more
  • 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.

    Read more
  • 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.

    Read more

What's new

Headline inflation rises slightly to 5.9% in July 2023 despite a decline in most OECD countries

5 Sep 2023 – Year-on-year inflation in the OECD, as measured by the Consumer Price Index (CPI), rose to 5.9% in July 2023, after 5.7% in June, the first increase since October 2022 (Figures 1 and 3). This increase was mainly driven by a sharp rise in inflation in Türkiye. Excluding Türkiye, OECD inflation is estimated to have been broadly stable in July. Falls in inflation were recorded in 26 of 38 OECD countries, of which 17 experienced declines above 0.5 percentage points.  


Behind the numbers

Statistical references

More on methodology