Gini coefficient (after tax) in South Korea
South Korea: Gini coefficient (after tax) was 0.3315 in 2021. ▲ Rising
Gini coefficient (after tax) in South Korea, 2006–2021
Source: Luxembourg Income Study (2026) – with minor processing by Our World in Data.
Analysis
In 2021, gini coefficient (after tax) in South Korea stood at 0.3315.
Compared with earlier readings it is up 0.3% on the previous year and up 7.0% over ten years.
Over the whole period, gini coefficient (after tax) in South Korea peaked at 0.3535 in 2016 and was at its lowest, 0.3021, in 2014.
South Korea ranks 18th of 48 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 11 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 0.3097 | 0.3056 | 0.3138 | 2 |
| 2010s | 0.3291 | 0.3021 | 0.3535 | 7 |
| 2020s | 0.331 | 0.3304 | 0.3315 | 2 |
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)
- 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)
- Tax revenue as share of GDP vs. income inequality 26.9% (2023)
- Gender Inequality Index 0.038 (2023)
- Lifespan inequality: Gini coefficient in women 0.0683 (2023)
- Lifespan inequality: Gini coefficient by sex 0.0683 (2023)
- Lifespan inequality: Gini coefficient in men 0.0778 (2023)
- Share of government consumption in GDP vs. share of population living in extreme poverty 18.6% (2023)
- Income inequality: Atkinson index 0.1642 (2023)
Frequently asked questions
- What is gini coefficient (after tax) in South Korea?
- Gini coefficient (after tax) in South Korea was 0.3315 in 2021, according to Luxembourg Income Study (2026) – with minor processing by Our World in Data.
- What is the highest gini coefficient (after tax) recorded in South Korea?
- The highest recorded value was 0.3535 in 2016.
- What is the lowest gini coefficient (after tax) recorded in South Korea?
- The lowest recorded value was 0.3021 in 2014.
- How does South Korea rank for gini coefficient (after tax)?
- South Korea ranks 18th out of 48 countries with data for 2021.
- Is gini coefficient (after tax) rising or falling in South Korea?
- Over the last ten years it is up 7.0%. The long-run trend across the full record is rising.
- Where does this South Korea data come from?
- The figures come from Luxembourg Income Study (2026) – with minor processing by Our World in Data, published as part of Gini coefficient (after tax). Statizoid updates them automatically from the source API.
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About this data
The Gini coefficient measures inequality on a scale from 0 to 1. Higher values indicate higher inequality. Inequality is measured here in terms of income after taxes and benefits.