Gini coefficient (before tax) in Thailand
Thailand: Gini coefficient (before tax) was 0.6429 in 2021. ▼ Falling
Gini coefficient (before tax) in Thailand, 1981–2021
Source: World Inequality Database (WID.world) (2026) – with major processing by Our World in Data.
Analysis
The most recent figure for gini coefficient (before tax) in Thailand is 0.6429, measured in 2021.
That represents a change of up 3.9% on the previous year and up 1.0% over ten years.
Over the whole period, gini coefficient (before tax) in Thailand peaked at 0.6906 in 1992 and was at its lowest, 0.6044, in 2015.
Thailand ranks 13th of 113 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 29 years of available data.
Gini coefficient (before tax) in Thailand, year by year
| Year | Value | Change |
|---|---|---|
| 1981 | 0.6688 | — |
| 1988 | 0.6694 | +0.1% |
| 1990 | 0.6752 | +0.9% |
| 1992 | 0.6906 | +2.3% |
| 1994 | 0.6651 | -3.7% |
| 1996 | 0.6587 | -1.0% |
| 1999 | 0.6561 | -0.4% |
| 2000 | 0.6581 | +0.3% |
| 2001 | 0.681 | +3.5% |
| 2002 | 0.6583 | -3.3% |
| 2003 | 0.6731 | +2.2% |
| 2004 | 0.6562 | -2.5% |
| 2005 | 0.6546 | -0.2% |
| 2006 | 0.6522 | -0.4% |
| 2007 | 0.6469 | -0.8% |
| 2008 | 0.6487 | +0.3% |
| 2009 | 0.6357 | -2.0% |
| 2010 | 0.6471 | +1.8% |
| 2011 | 0.6366 | -1.6% |
| 2012 | 0.6418 | +0.8% |
| 2013 | 0.6196 | -3.5% |
| 2014 | 0.6252 | +0.9% |
| 2015 | 0.6044 | -3.3% |
| 2016 | 0.6099 | +0.9% |
| 2017 | 0.6466 | +6.0% |
| 2018 | 0.6233 | -3.6% |
| 2019 | 0.6101 | -2.1% |
| 2020 | 0.6185 | +1.4% |
| 2021 | 0.6429 | +3.9% |
Thailand compared with similar countries
- Thailand's 0.6429 is above the median for upper middle income countries, which is 0.5898, 1.1× the median. (31 countries reporting)
- Thailand's 0.6429 is above the median for East Asia & Pacific, which is 0.5606, 1.1× the median. (14 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.6691 | 0.6688 | 0.6694 | 2 |
| 1990s | 0.6691 | 0.6561 | 0.6906 | 5 |
| 2000s | 0.6565 | 0.6357 | 0.681 | 10 |
| 2010s | 0.6265 | 0.6044 | 0.6471 | 10 |
| 2020s | 0.6307 | 0.6185 | 0.6429 | 2 |
Countries ranked near Thailand
- 10 Mozambique 0.6809 compare
- 11 Zambia 0.6769 compare
- 12 Costa Rica 0.6535 compare
- 14 Saudi Arabia 0.6428 compare
- 15 India 0.6392 compare
- 16 Palestine 0.6387 compare
More poverty & inequality data for Thailand
- Number of income/consumption surveys in the past decade available via the World Bank 9 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 1.21 live births per woman (2023)
- Cereal yield vs. share in extreme poverty 3,072 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 -1.09 % change on previous year (2023)
- Tax revenues vs income inequality, gaps filled 17.04 (2023)
- Tax revenue as share of GDP vs. income inequality 17.0% (2023)
- Tax revenues vs income inequality, per unit of GDP 0 units per US$ of GDP (2023)
Frequently asked questions
- What is gini coefficient (before tax) in Thailand?
- Gini coefficient (before tax) in Thailand was 0.6429 in 2021, according to World Inequality Database (WID.world) (2026) – with major processing by Our World in Data.
- What is the highest gini coefficient (before tax) recorded in Thailand?
- The highest recorded value was 0.6906 in 1992.
- What is the lowest gini coefficient (before tax) recorded in Thailand?
- The lowest recorded value was 0.6044 in 2015.
- How does Thailand rank for gini coefficient (before tax)?
- Thailand ranks 13th out of 113 countries with data for 2021.
- Is gini coefficient (before tax) rising or falling in Thailand?
- Over the last ten years it is up 1.0%. The long-run trend across the full record is falling.
- Where does this Thailand data come from?
- The figures come from World Inequality Database (WID.world) (2026) – with major processing by Our World in Data, published as part of Gini coefficient (before tax). Statizoid updates them automatically from the source API.
Download this data
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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 before taxes and benefits.