Research and developments in the transformation of UK consumer price statistics

Summary

An update on research to modernise the measurement of consumer price inflation in the UK. This is the ninth in a series of biannual articles.

Publications

• Research and developments in the transformation of UK consumer price statistics: January 2026

  An update on research to modernise the measurement of consumer price inflation in the UK. This is the ninth in a series of biannual articles.

• Overview of how we use scanner data in consumer price inflation statistics: January 2026

  Overview of how we use scanner data to produce consumer price inflation statistics, explaining the scanner data "basket", how we calculate indices, and how we treat discounts and refunds.

• Changes to the provision of microdata outputs for consumer price inflation statistics: January 2026

  Development of new aggregate output statistics designed to meet the existing needs of microdata users, including prototype datasets of synthetic data for each output.

Data

• Monthly consumer prices aggregate microdata example

  Example dataset using synthetic data to introduce users to our new monthly aggregate consumer prices microdata outputs.

• January average consumer prices example

  Example dataset using synthetic data to introduce users to our new January average consumer prices microdata outputs.

Methodology

• How multilateral index methods help us understand grocery scanner data

  How we use the GEKS-Törnqvist index method with grocery scanner data. Includes comparison with other methods.

Contact details