# South Korea Korea: Research and experimental development (BOK ECOS)

South Korea Korea: Research and experimental development (BOK ECOS) was up 5.0% year on year in Q2 2026, compared with 4.2% in Q1 2026.
The level stood at 30,567 ₩ billion.
That is the highest reading since Q4 2024.
Over the past ten years it has ranged from −1.9% (Q3 2023) to 9.8% (Q3 2022), averaging 4.4%.

- Source agency: Bank of Korea
- Makrognosis code: `KR.INVEST.Q.REAL.ITEM-1010531`
- Frequency: quarterly
- Units: ₩ billion
- Coverage: 2016-01-01 to 2026-04-01 (42 observations)
- Page: https://makrognosis.robomacro.com/data/south-korea/korea-research-and-experimental-development-bok-ecos

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| Q2 2026 | 30,567 ₩ billion | 5.0 |
| Q1 2026 | 30,033 ₩ billion | 4.2 |
| Q4 2025 | 29,436 ₩ billion | 2.7 |
| Q3 2025 | 29,309 ₩ billion | 4.2 |
| Q2 2025 | 29,117 ₩ billion | 4.1 |
| Q1 2025 | 28,833 ₩ billion | 4.0 |
| Q4 2024 | 28,659 ₩ billion | 7.4 |
| Q3 2024 | 28,134 ₩ billion | 4.9 |
| Q2 2024 | 27,969 ₩ billion | 5.3 |
| Q1 2024 | 27,728 ₩ billion | 5.9 |
| Q4 2023 | 26,695 ₩ billion | −1.0 |
| Q3 2023 | 26,826 ₩ billion | −1.9 |
| Q2 2023 | 26,560 ₩ billion | 0.5 |
| Q1 2023 | 26,190 ₩ billion | −0.4 |
| Q4 2022 | 26,977 ₩ billion | 5.7 |
| Q3 2022 | 27,348 ₩ billion | 9.8 |
| Q2 2022 | 26,419 ₩ billion | 7.1 |
| Q1 2022 | 26,306 ₩ billion | 6.8 |
| Q4 2021 | 25,521 ₩ billion | 4.2 |
| Q3 2021 | 24,901 ₩ billion | 4.1 |
| Q2 2021 | 24,670 ₩ billion | 4.1 |
| Q1 2021 | 24,637 ₩ billion | 6.7 |
| Q4 2020 | 24,485 ₩ billion | 6.7 |
| Q3 2020 | 23,917 ₩ billion | 3.7 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/KR.INVEST.Q.REAL.ITEM-1010531"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/KR.INVEST.Q.REAL.ITEM-1010531",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```