December 2017 inflation data

CPI inflation fell slightly at the end of 2017 but RPI inflation (most commonly used in pay setting) breaks through the 4% mark.

The inflation measures for the year to December 2017 are:

  • CPI inflation was 3.0% in December (Index: 104.9), down from 3.1% in the year to November 2017
  • CPIH inflation was 2.7% in December (Index: 105.0), down from 2.8% in the year to November 2017
  • RPI inflation was 4.1% in December (Index: 278.1), up from 3.9% in the year to November 2017

The CPIH measure is the Office of National Statistic’s preferred index, see ‘New inflation measure’.