# United Kingdom Core Inflation Rate

United Kingdom Core Inflation Rate was up 2.8% year on year in September 2026, compared with 2.6% in August 2026.
The level stood at 140.0 (Index, 2015=100).
Among the 50 economies Makrognosis covers on this measure, it is the 19th lowest.
Over the past ten years it has ranged from 0.8% (Aug 2020) to 7.1% (May 2023), averaging 3.2%.

- Source agency: UK Office for National Statistics
- Makrognosis code: `UK.CPICORE.M.NSA`
- Frequency: monthly
- Units: Index, 2015=100
- Coverage: 1988-01-01 to 2026-09-01 (465 observations)
- Page: https://makrognosis.robomacro.com/data/united-kingdom/core-inflation-rate

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 140.0 | 2.8 |
| August 2026 | 139.7 | 2.6 |
| July 2026 | 139.3 | 2.6 |
| June 2026 | 139.1 | 2.6 |
| May 2026 | 138.6 | 2.6 |
| April 2026 | 138.2 | 2.4 |
| March 2026 | 137.2 | 3.1 |
| February 2026 | 136.7 | 3.2 |
| January 2026 | 135.9 | 3.0 |
| December 2025 | 136.7 | 3.2 |
| November 2025 | 136.3 | 3.2 |
| October 2025 | 136.6 | 3.4 |
| September 2025 | 136.2 | 3.5 |
| August 2025 | 136.2 | 3.6 |
| July 2025 | 135.8 | 3.7 |
| June 2025 | 135.6 | 3.7 |
| May 2025 | 135.1 | 3.5 |
| April 2025 | 134.9 | 3.8 |
| March 2025 | 133.1 | 3.4 |
| February 2025 | 132.4 | 3.5 |
| January 2025 | 131.9 | 3.8 |
| December 2024 | 132.4 | 3.2 |
| November 2024 | 132.1 | 3.5 |
| October 2024 | 132.1 | 3.3 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/UK.CPICORE.M.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/UK.CPICORE.M.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```