Methodology related to inflation and price indices

Exploration of the theory behind date trimming and its implementation in the calculation of consumer price statistics in the UK, using new data sources for grocery products.

This publication is an update to the quality assurance (QA) assessment of all data sources used in the production of the Consumer Price Index with Owner Occupiers' Housing Costs (CPIH), to include the rail fares data acquired from the Rail Delivery Group.

Update on the Office for National Statistics’ work to produce consumer price inflation estimates for Northern Ireland through a sample boost to the price collection.

This technical manual is a reference tool for anyone wanting to understand how measures of consumer price inflation and associated indices are compiled.

Explaining the different types of deflators and how we calculate them, as well as their importance for creating economic estimates, such as gross domestic product (GDP).

How we will use the GEKS-Törnqvist to introduce alternative data into our consumer price statistics, including how the method works and its advantages.

We are applying data cleaning techniques to web-provided and transaction data to remove out-of-scope observations and errors when calculating our consumer price indices.

Details of work that the Office for National Statistics is undertaking to produce consumer price inflation estimates for Northern Ireland through a sample boost to the price collection.

A historical series of our lead measure of inflation, the Consumer Prices Index including owner occupier's housing costs (CPIH), which extends the series back to 1950. Definitive historical division-level indices for both Consumer Prices Index (CPI) and CPIH from 1950 to 1988 are available. Data in this release are not a National Statistic and are provided for indicative purposes only.

Details of the methodology used to apply the UN methodology for the Sustainable Development Goals Indicator 2.c.1, Food Price Anomalies, to the UK.