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December 2021 inflation data

The UK’s inflation rate in December 2021, as measured by the CPI, was 5.4%.

The inflation measures for the year to December 2021 are as follows:

  • CPIH inflation was 4.8% in December 2021 (Index: 114.7), up from 4.6% in the year to November 2021
  • CPI inflation was 5.4% in December 2021 (Index: 115.1), up from 5.1% in the year to November 2021
  • RPI inflation was 7.5% in December 2021 (Index: 317.7), up from 7.1% in the year to November 2021

Note that the Office for National Statistics no longer regards RPI as an official measure of inflation.