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September 2023 inflation data
The UK’s inflation rate in September 2023, as measured by the Consumer Price Index (CPI), was unchanged at 6.7%.
The detailed inflation figures for the year to September 2023 are as follows:
- CPI inflation was 6.7% in September 2023 (Index: 132.0), unchanged from 6.7% in the year to August
- RPI* inflation was 8.9% in September 2023 (Index: 378.4), down from 9.1% in the year to August
- CPIH inflation was 6.3% in September 2023 (Index: 130.1), unchanged from 6.3% in the year to August
*The Office for National Statistics no longer regards the RPI as an official measure of inflation.