# South Korea Korea: Construction / Production Index(Seasonally Adjusted) (BOK ECOS)

South Korea Korea: Construction / Production Index(Seasonally Adjusted) (BOK ECOS) was up 6.6% year on year in September 2026, compared with 28.1% in August 2026.
The level stood at 117.8 2020=100.
That is the lowest reading since June 2025.
Over the past ten years it has ranged from −55.7% (Dec 2023) to 92.6% (May 2021), averaging 5.0%.

- Source agency: Bank of Korea
- Makrognosis code: `KR.IP.M.NSA.ITEM-I31AAF-I10B`
- Frequency: monthly
- Units: 2020=100
- Coverage: 2016-01-01 to 2026-09-01 (129 observations)
- Page: https://makrognosis.robomacro.com/data/south-korea/korea-construction-production-index-seasonally-adjusted-bok-ecos

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 117.8 2020=100 | 6.6 |
| August 2026 | 129.0 2020=100 | 28.1 |
| July 2026 | 115.3 2020=100 | 13.9 |
| June 2026 | 121.0 2020=100 | 48.1 |
| May 2026 | 107.0 2020=100 | 36.5 |
| April 2026 | 111.1 2020=100 | 35.0 |
| March 2026 | 105.3 2020=100 | 29.5 |
| February 2026 | 108.3 2020=100 | 23.6 |
| January 2026 | 112.4 2020=100 | 43.9 |
| December 2025 | 107.6 2020=100 | 57.1 |
| November 2025 | 109.9 2020=100 | 59.7 |
| October 2025 | 106.8 2020=100 | 55.0 |
| September 2025 | 110.5 2020=100 | 54.3 |
| August 2025 | 100.7 2020=100 | 44.3 |
| July 2025 | 101.2 2020=100 | 44.2 |
| June 2025 | 81.70 2020=100 | 3.2 |
| May 2025 | 78.40 2020=100 | −1.0 |
| April 2025 | 82.30 2020=100 | −9.1 |
| March 2025 | 81.30 2020=100 | −10.7 |
| February 2025 | 87.60 2020=100 | −4.4 |
| January 2025 | 78.10 2020=100 | −28.0 |
| December 2024 | 68.50 2020=100 | −11.3 |
| November 2024 | 68.80 2020=100 | −31.8 |
| October 2024 | 68.90 2020=100 | −41.1 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/KR.IP.M.NSA.ITEM-I31AAF-I10B"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/KR.IP.M.NSA.ITEM-I31AAF-I10B",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```