# United Kingdom 07.3.4 Transport services Sea and inland waterways IDEF SA 2023=100 ()

United Kingdom 07.3.4 Transport services Sea and inland waterways IDEF SA 2023=100 () was up 4.5% year on year in Q2 2026, compared with 2.7% in Q1 2026.
The level stood at 107.5 (index (2023=100)).
That is the highest reading since Q3 2024.
Over the past ten years it has ranged from −8.4% (Q2 2021) to 19.3% (Q1 2021), averaging 5.6%.

- Source agency: UK Office for National Statistics
- Makrognosis code: `UK.HHCONS.Q.SA.COICOP-07-3-4.MEASURE-IDEF`
- Frequency: quarterly
- Units: index (2023=100)
- Coverage: 1997-01-01 to 2026-04-01 (118 observations)
- Page: https://makrognosis.robomacro.com/data/united-kingdom/07-3-4-transport-services-sea-and-inland-waterways-idef-sa-2023-100

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| Q2 2026 | 107.5 | 4.5 |
| Q1 2026 | 104.1 | 2.7 |
| Q4 2025 | 102.6 | 2.7 |
| Q3 2025 | 103.9 | 3.0 |
| Q2 2025 | 102.9 | 2.2 |
| Q1 2025 | 101.4 | 3.5 |
| Q4 2024 | 99.90 | 4.3 |
| Q3 2024 | 100.9 | 8.0 |
| Q2 2024 | 100.7 | 11.3 |
| Q1 2024 | 98.00 | 7.3 |
| Q4 2023 | 95.80 | 13.0 |
| Q3 2023 | 93.40 | 16.8 |
| Q2 2023 | 90.50 | 11.5 |
| Q1 2023 | 91.30 | 4.3 |
| Q4 2022 | 84.80 | 1.4 |
| Q3 2022 | 80.00 | 10.8 |
| Q2 2022 | 81.20 | 11.1 |
| Q1 2022 | 87.50 | 1.0 |
| Q4 2021 | 83.60 | 10.3 |
| Q3 2021 | 72.20 | −7.2 |
| Q2 2021 | 73.10 | −8.4 |
| Q1 2021 | 86.60 | 19.3 |
| Q4 2020 | 75.80 | 3.8 |
| Q3 2020 | 77.80 | 5.7 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/UK.HHCONS.Q.SA.COICOP-07-3-4.MEASURE-IDEF"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/UK.HHCONS.Q.SA.COICOP-07-3-4.MEASURE-IDEF",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```