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

South Korea Korea: Research and experimental development (BOK ECOS) was up 10.5% year on year in Q2 2026, compared with 6.9% in Q1 2026.
The level stood at 38,109 ₩ billion.
That is the highest reading since Q4 2024.
Over the past ten years it has ranged from 0.7% (Q3 2023) to 14.8% (Q3 2022), averaging 7.5%.

- Source agency: Bank of Korea
- Makrognosis code: `KR.INVEST.Q.NOM.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-nominal-quarterly

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| Q2 2026 | 38,109 ₩ billion | 10.5 |
| Q1 2026 | 36,297 ₩ billion | 6.9 |
| Q4 2025 | 35,478 ₩ billion | 5.4 |
| Q3 2025 | 34,930 ₩ billion | 6.8 |
| Q2 2025 | 34,480 ₩ billion | 6.9 |
| Q1 2025 | 33,938 ₩ billion | 7.2 |
| Q4 2024 | 33,659 ₩ billion | 11.3 |
| Q3 2024 | 32,718 ₩ billion | 8.2 |
| Q2 2024 | 32,243 ₩ billion | 9.0 |
| Q1 2024 | 31,672 ₩ billion | 9.1 |
| Q4 2023 | 30,230 ₩ billion | 1.8 |
| Q3 2023 | 30,248 ₩ billion | 0.7 |
| Q2 2023 | 29,590 ₩ billion | 4.5 |
| Q1 2023 | 29,018 ₩ billion | 3.3 |
| Q4 2022 | 29,700 ₩ billion | 9.8 |
| Q3 2022 | 30,043 ₩ billion | 14.8 |
| Q2 2022 | 28,326 ₩ billion | 11.4 |
| Q1 2022 | 28,082 ₩ billion | 13.0 |
| Q4 2021 | 27,048 ₩ billion | 9.7 |
| Q3 2021 | 26,160 ₩ billion | 9.0 |
| Q2 2021 | 25,427 ₩ billion | 8.0 |
| Q1 2021 | 24,852 ₩ billion | 8.2 |
| Q4 2020 | 24,664 ₩ billion | 8.5 |
| Q3 2020 | 23,997 ₩ billion | 5.4 |

## API

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

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