RPI inflation
The older inflation measure, still used for some rail fares and student loans. It has the longest history on the site, back to 1948.
UK
Aug 2026
3.4%
| Period | RPI inflation (%) |
|---|---|
| 1 Sept 2021 | 4.9% |
| 1 Oct 2021 | 6.0% |
| 1 Nov 2021 | 7.1% |
| 1 Dec 2021 | 7.5% |
| 1 Jan 2022 | 7.8% |
| 1 Feb 2022 | 8.2% |
| 1 Mar 2022 | 9.0% |
| 1 Apr 2022 | 11.1% |
| 1 May 2022 | 11.7% |
| 1 Jun 2022 | 11.8% |
| 1 Jul 2022 | 12.3% |
| 1 Aug 2022 | 12.3% |
| 1 Sept 2022 | 12.6% |
| 1 Oct 2022 | 14.2% |
| 1 Nov 2022 | 14.0% |
| 1 Dec 2022 | 13.4% |
| 1 Jan 2023 | 13.4% |
| 1 Feb 2023 | 13.8% |
| 1 Mar 2023 | 13.5% |
| 1 Apr 2023 | 11.4% |
| 1 May 2023 | 11.3% |
| 1 Jun 2023 | 10.7% |
| 1 Jul 2023 | 9.0% |
| 1 Aug 2023 | 9.1% |
| 1 Sept 2023 | 8.9% |
| 1 Oct 2023 | 6.1% |
| 1 Nov 2023 | 5.3% |
| 1 Dec 2023 | 5.2% |
| 1 Jan 2024 | 4.9% |
| 1 Feb 2024 | 4.5% |
| 1 Mar 2024 | 4.3% |
| 1 Apr 2024 | 3.3% |
| 1 May 2024 | 3.0% |
| 1 Jun 2024 | 2.9% |
| 1 Jul 2024 | 3.6% |
| 1 Aug 2024 | 3.5% |
| 1 Sept 2024 | 2.7% |
| 1 Oct 2024 | 3.4% |
| 1 Nov 2024 | 3.6% |
| 1 Dec 2024 | 3.5% |
| 1 Jan 2025 | 3.6% |
| 1 Feb 2025 | 3.4% |
| 1 Mar 2025 | 3.2% |
| 1 Apr 2025 | 4.5% |
| 1 May 2025 | 4.3% |
| 1 Jun 2025 | 4.4% |
| 1 Jul 2025 | 4.8% |
| 1 Aug 2025 | 4.6% |
| 1 Sept 2025 | 4.5% |
| 1 Oct 2025 | 4.3% |
| 1 Nov 2025 | 3.8% |
| 1 Dec 2025 | 4.2% |
| 1 Jan 2026 | 3.8% |
| 1 Feb 2026 | 3.6% |
| 1 Mar 2026 | 4.1% |
| 1 Apr 2026 | 3.0% |
| 1 May 2026 | 3.1% |
| 1 Jun 2026 | 3.0% |
| 1 Jul 2026 | 3.2% |
| 1 Aug 2026 | 3.4% |
How this is measured
- Published by
- Office for National Statistics
- Licence
- Open Government Licence v3.0
- Series
- CZBH
- Covers
- UK
- Published
- Monthly
- History
- Jun 1948 to Aug 2026
- Last published
- 15 Sep 2026
- Next release
- 21 Oct 2026
Contains public sector information licensed under the Open Government Licence v3.0. Data reproduced without endorsement. TrackBritain is not affiliated with the Office for National Statistics.