Income inequality: Gini coefficient before and after tax in Guinea
Guinea: Income inequality: Gini coefficient before and after tax was 0.4688 in 2018. ▼ Falling
Income inequality: Gini coefficient before and after tax in Guinea, 1991–2018
Source: World Inequality Database (WID.world) (2026) – with major processing by Our World in Data.
Analysis
In 2018, income inequality: gini coefficient before and after tax in Guinea stood at 0.4688. That is the lowest value across all 6 years on record.
Compared with earlier readings it is down 17.2% over ten years.
Over the whole period, income inequality: gini coefficient before and after tax in Guinea peaked at 0.6357 in 1994 and was at its lowest, 0.4688, in 2018.
Guinea ranks 69th of 109 countries on this measure, in the middle of the range.
Income inequality: Gini coefficient before and after tax in Guinea, year by year
| Year | Value | Change |
|---|---|---|
| 1991 | 0.5775 | — |
| 1994 | 0.6357 | +10.1% |
| 2002 | 0.6085 | -4.3% |
| 2007 | 0.5664 | -6.9% |
| 2012 | 0.4999 | -11.7% |
| 2018 | 0.4688 | -6.2% |
Guinea compared with similar countries
- Guinea's 0.4688 is below the median for lower middle income countries, which is 0.5666, 83% of the median. (23 countries reporting)
- Guinea's 0.4688 is below the median for Sub-Saharan Africa, which is 0.5654, 83% of the median. (26 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0.6066 | 0.5775 | 0.6357 | 2 |
| 2000s | 0.5875 | 0.5664 | 0.6085 | 2 |
| 2010s | 0.4844 | 0.4688 | 0.4999 | 2 |
Countries ranked near Guinea
More poverty & inequality data for Guinea
- Number of income/consumption surveys in the past decade available via the World Bank 1 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 4.22 live births per woman (2023)
- Cereal yield vs. share in extreme poverty 1,351 kg per hectare (2024)
- Cereal yield vs extreme poverty, per unit of GDP 0 units per US$ of GDP (2024)
- Cereal yield vs extreme poverty, annual growth rate -1.35 % change on previous year (2024)
- Tax revenues vs income inequality, gaps filled 11.88 (2023)
- Tax revenue as share of GDP vs. income inequality 11.9% (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 Guinea?
- Income inequality: gini coefficient before and after tax in Guinea was 0.4688 in 2018, according to World Inequality Database (WID.world) (2026) – with major processing by Our World in Data.
- What is the highest income inequality: gini coefficient before and after tax recorded in Guinea?
- The highest recorded value was 0.6357 in 1994.
- What is the lowest income inequality: gini coefficient before and after tax recorded in Guinea?
- The lowest recorded value was 0.4688 in 2018.
- How does Guinea rank for income inequality: gini coefficient before and after tax?
- Guinea ranks 69th out of 109 countries with data for 2018.
- Is income inequality: gini coefficient before and after tax rising or falling in Guinea?
- Over the last ten years it is down 17.2%. The long-run trend across the full record is falling.
- Where does this Guinea 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 Income inequality: Gini coefficient before and after tax. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 6 observations, free to reuse under CC BY 4.0 (Our World in Data).
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.