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January 2023 inflation data

The UK’s inflation rate in January 2023, as measured by the Consumer Price Index (CPI), was 10.1%.

The detailed inflation measures for the year to January 2023 are as follows:

  • CPI inflation was 10.1% in January 2023 (Index: 126.4), down from 10.5% in the year to December 2022
  • RPI* inflation was 13.4% in January 2023 (Index: 360.3), unchanged from the year to December 2022
  • CPIH inflation was 8.8% in January 2023 (Index: 124.8), down from 9.2% in the year to December 2022

*The Office for National Statistics no longer regards RPI as an official measure of inflation.