# United Kingdom Gross domestic product at market prices:Implied deflator:SA ()

United Kingdom Gross domestic product at market prices:Implied deflator:SA () was up 2.3% year on year in Q2 2026, compared with 3.1% in Q1 2026.
The level stood at 105.7 (index).
That is the lowest reading since Q3 2021.
Over the past ten years it has ranged from −4.5% (Q2 2021) to 9.5% (Q2 2020), averaging 3.3%.

- Source agency: UK Office for National Statistics
- Makrognosis code: `UK.GDP.Q.SA.ITEM-YBGB.MEASURE-IDEF`
- Frequency: quarterly
- Units: index
- Coverage: 1955-01-01 to 2026-04-01 (286 observations)
- Page: https://makrognosis.robomacro.com/data/united-kingdom/gross-domestic-product-at-market-prices-implied-deflator-sa-seasonally

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| Q2 2026 | 105.7 | 2.3 |
| Q1 2026 | 105.5 | 3.1 |
| Q4 2025 | 104.6 | 3.2 |
| Q3 2025 | 104.0 | 3.2 |
| Q2 2025 | 103.3 | 3.8 |
| Q1 2025 | 102.3 | 4.0 |
| Q4 2024 | 101.4 | 4.4 |
| Q3 2024 | 100.8 | 3.9 |
| Q2 2024 | 99.50 | 3.5 |
| Q1 2024 | 98.40 | 3.7 |
| Q4 2023 | 97.10 | 3.9 |
| Q3 2023 | 97.00 | 6.5 |
| Q2 2023 | 96.10 | 7.1 |
| Q1 2023 | 94.90 | 7.8 |
| Q4 2022 | 93.50 | 7.7 |
| Q3 2022 | 91.10 | 6.4 |
| Q2 2022 | 89.70 | 5.9 |
| Q1 2022 | 88.00 | 2.9 |
| Q4 2021 | 86.80 | 3.0 |
| Q3 2021 | 85.60 | 0.7 |
| Q2 2021 | 84.70 | −4.5 |
| Q1 2021 | 85.50 | 3.8 |
| Q4 2020 | 84.30 | 2.9 |
| Q3 2020 | 85.00 | 4.3 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/UK.GDP.Q.SA.ITEM-YBGB.MEASURE-IDEF"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/UK.GDP.Q.SA.ITEM-YBGB.MEASURE-IDEF",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```