Income inequality: Gini coefficient before and after tax in South Korea
South Korea: Income inequality: Gini coefficient before and after tax was 0.3% in 2023. ▼ Falling
Income inequality: Gini coefficient before and after tax in South Korea, 2014–2023
Source: World Bank – processed by Our World in Data. Measured in %.
Analysis
The most recent figure for income inequality: gini coefficient before and after tax in South Korea is 0.3%, measured in 2023. That is the lowest value across all 10 years on record.
Compared with earlier readings it is down 3.2% on the previous year and down 16.7% over ten years.
Over the whole period, income inequality: gini coefficient before and after tax in South Korea peaked at 0.4% in 2014 and was at its lowest, 0.3%, in 2023.
That places South Korea 18th out of 35 countries with data for 2023, putting it in the middle of the range.
Income inequality: Gini coefficient before and after tax in South Korea, year by year
| Year | % | Change |
|---|---|---|
| 2014 | 0.4% | — |
| 2015 | 0.3% | -2.8% |
| 2016 | 0.3% | -2.9% |
| 2017 | 0.3% | +0.0% |
| 2018 | 0.3% | +0.0% |
| 2019 | 0.3% | -2.9% |
| 2020 | 0.3% | -3.0% |
| 2021 | 0.3% | -3.1% |
| 2022 | 0.3% | +0.0% |
| 2023 | 0.3% | -3.2% |
South Korea compared with similar countries
- South Korea's 0.3% is above the median for high income countries, which is 0.3%, 1.0× the median. (33 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 0.3% | 0.3% | 0.4% | 6 |
| 2020s | 0.3% | 0.3% | 0.3% | 4 |
Countries ranked near South Korea
More poverty & inequality data for South Korea
- Number of income/consumption surveys in the past decade available via the World Bank 6 surveys (2025)
- Number of income/consumption surveys in the past decade available via 0 surveys per person (2025)
- Number of income/consumption surveys in the past decade available via 0 surveys per US$ of GDP (2025)
- Fertility rate vs. share living in extreme poverty 0.72 live births per woman (2023)
- Cereal yield vs. share in extreme poverty 6,615 kg per hectare (2023)
- Cereal yield vs extreme poverty, per unit of GDP 0 units per US$ of GDP (2023)
- Cereal yield vs extreme poverty, annual growth rate 0.0454 % change on previous year (2023)
- Tax revenues vs income inequality, gaps filled 26.87 (2023)
- Tax revenue as share of GDP vs. income inequality 26.9% (2023)
- Tax revenues vs income inequality, per unit of GDP 0 units per US$ of GDP (2023)
Frequently asked questions
- What is income inequality: gini coefficient before and after tax in South Korea?
- Income inequality: gini coefficient before and after tax in South Korea was 0.3% in 2023, according to World Bank – processed by Our World in Data.
- What is the highest income inequality: gini coefficient before and after tax recorded in South Korea?
- The highest recorded value was 0.4% in 2014.
- What is the lowest income inequality: gini coefficient before and after tax recorded in South Korea?
- The lowest recorded value was 0.3% in 2023.
- How does South Korea rank for income inequality: gini coefficient before and after tax?
- South Korea ranks 18th out of 35 countries with data for 2023.
- Is income inequality: gini coefficient before and after tax rising or falling in South Korea?
- Over the last ten years it is down 16.7%. The long-run trend across the full record is falling.
- Where does this South Korea data come from?
- The figures come from World Bank – processed by Our World in Data, published as part of Income inequality: Gini coefficient before and after tax. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 10 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Redistributive impact of fiscal policy, Gini index (%).