# South Korea Korea: Ferroconcrete / Number of Buildings (BOK ECOS)

South Korea Korea: Ferroconcrete / Number of Buildings (BOK ECOS) was 130.0 units in September 2026, down 9.7% from August 2026 and down 20.2% from a year earlier.
Over the past ten years it has ranged from 100.0 units (Feb 2026) to 308.0 units (Dec 2021), averaging 172.0 units.

- Source agency: Bank of Korea
- Makrognosis code: `KR.BPERMIT.M.NSA.ITEM-I43AAA-2`
- Frequency: monthly
- Units: units
- Coverage: 2016-01-01 to 2026-09-01 (129 observations)
- Page: https://makrognosis.robomacro.com/data/south-korea/korea-ferroconcrete-number-of-buildings-bok-ecos

## Recent data

| Period | Value |
|---|---:|
| September 2026 | 130.0 units |
| August 2026 | 144.0 units |
| July 2026 | 189.0 units |
| June 2026 | 147.0 units |
| May 2026 | 149.0 units |
| April 2026 | 155.0 units |
| March 2026 | 146.0 units |
| February 2026 | 100.0 units |
| January 2026 | 131.0 units |
| December 2025 | 202.0 units |
| November 2025 | 200.0 units |
| October 2025 | 162.0 units |
| September 2025 | 163.0 units |
| August 2025 | 120.0 units |
| July 2025 | 148.0 units |
| June 2025 | 136.0 units |
| May 2025 | 159.0 units |
| April 2025 | 273.0 units |
| March 2025 | 151.0 units |
| February 2025 | 132.0 units |
| January 2025 | 118.0 units |
| December 2024 | 191.0 units |
| November 2024 | 177.0 units |
| October 2024 | 153.0 units |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/KR.BPERMIT.M.NSA.ITEM-I43AAA-2"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/KR.BPERMIT.M.NSA.ITEM-I43AAA-2",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```