One of the consumer price indices used as the domestic measure of inflation in the UK (see also Retail Prices Index (RPI)). The CPI is published by the Office for National Statistics. It measures the average change from month to month in the prices of goods and services purchased by most households in the UK. The government uses the CPI as the basis for its inflation target and for uprating of state pensions and state benefits.

The CPI uses the same basic price data as the RPI, but there are some differences. For example, the CPI:

For further information, see the Office for National Statistics website.