Public Sector Corruption Index in South Korea
South Korea: Public Sector Corruption Index was 0.162 in 2025. ▼ Falling
Public Sector Corruption Index in South Korea, 1789–2025
Source: V-Dem (2026) – processed by Our World in Data.
Analysis
The most recent figure for public sector corruption index in South Korea is 0.162, measured in 2025.
Compared with earlier readings it is up 15.7% over ten years.
Over the whole period, public sector corruption index in South Korea peaked at 0.863 in 1849 and was at its lowest, 0.046, in 2018.
South Korea ranks 138th of 176 countries on this measure, in the bottom quarter.
The long-run direction has been consistently falling across the 237 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1780s | 0.526 | 0.526 | 0.526 | 1 |
| 1790s | 0.526 | 0.526 | 0.526 | 10 |
| 1800s | 0.706 | 0.706 | 0.706 | 10 |
| 1810s | 0.706 | 0.706 | 0.706 | 10 |
| 1820s | 0.706 | 0.706 | 0.706 | 10 |
| 1830s | 0.706 | 0.706 | 0.706 | 10 |
| 1840s | 0.8054 | 0.799 | 0.863 | 10 |
| 1850s | 0.863 | 0.863 | 0.863 | 10 |
| 1860s | 0.6602 | 0.525 | 0.863 | 10 |
| 1870s | 0.6318 | 0.525 | 0.703 | 10 |
| 1880s | 0.863 | 0.863 | 0.863 | 10 |
| 1890s | 0.8204 | 0.721 | 0.863 | 10 |
| 1900s | 0.721 | 0.721 | 0.721 | 10 |
| 1910s | 0.714 | 0.714 | 0.714 | 10 |
| 1920s | 0.714 | 0.714 | 0.714 | 10 |
| 1930s | 0.714 | 0.714 | 0.714 | 10 |
| 1940s | 0.6479 | 0.526 | 0.714 | 10 |
| 1950s | 0.526 | 0.526 | 0.526 | 10 |
| 1960s | 0.472 | 0.472 | 0.472 | 10 |
| 1970s | 0.472 | 0.472 | 0.472 | 10 |
| 1980s | 0.4117 | 0.341 | 0.442 | 10 |
| 1990s | 0.1996 | 0.139 | 0.341 | 10 |
| 2000s | 0.0843 | 0.077 | 0.094 | 10 |
| 2010s | 0.0922 | 0.046 | 0.14 | 10 |
| 2020s | 0.1143 | 0.046 | 0.162 | 6 |
Countries ranked near South Korea
More social development data for South Korea
- Political Rights Rating 2 (2025)
- Refugees under the mandate of the UNHCR by country or territory of asy 4,407 (2025)
- Refugees under the mandate of the UNHCR by country or territory of ori 117 (2025)
- Electoral democracy 1 (2025)
- Key features of democracy 0.819 (2025)
- Freedom of Expression Index 0.933 (2025)
- Freedom of Association Index 0.839 (2025)
- Electoral Democracy Index 0.819 (2025)
- Participatory Democracy Index 0.551 (2025)
- Liberal Democracy Index 0.739 (2025)
Frequently asked questions
- What is public sector corruption index in South Korea?
- Public sector corruption index in South Korea was 0.162 in 2025, according to V-Dem (2026) – processed by Our World in Data.
- What is the highest public sector corruption index recorded in South Korea?
- The highest recorded value was 0.863 in 1849.
- What is the lowest public sector corruption index recorded in South Korea?
- The lowest recorded value was 0.046 in 2018.
- How does South Korea rank for public sector corruption index?
- South Korea ranks 138th out of 176 countries with data for 2025.
- Is public sector corruption index rising or falling in South Korea?
- Over the last ten years it is up 15.7%. The long-run trend across the full record is falling.
- Where does this South Korea data come from?
- The figures come from V-Dem (2026) – processed by Our World in Data, published as part of Public Sector Corruption Index. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 237 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Data by V-Dem. Expert estimates of the extent to which public sector employees engage in bribery and theft. The index ranges from 0 to 1 (highly corrupt).