Income inequality: Gini coefficient before and after tax in Zambia
Zambia: Income inequality: Gini coefficient before and after tax was 0.6438 in 2022. ▬ Flat
Income inequality: Gini coefficient before and after tax in Zambia, 1991–2022
Source: World Inequality Database (WID.world) (2026) – with major processing by Our World in Data.
Analysis
The most recent figure for income inequality: gini coefficient before and after tax in Zambia is 0.6438, measured in 2022.
That represents a change of down 2.7% over ten years.
Over the whole period, income inequality: gini coefficient before and after tax in Zambia peaked at 0.6905 in 2015 and was at its lowest, 0.5899, in 2002.
Zambia ranks 7th of 109 countries on this measure, in the top 10%.
Income inequality: Gini coefficient before and after tax in Zambia, year by year
| Year | Value | Change |
|---|---|---|
| 1991 | 0.6851 | — |
| 1993 | 0.6483 | -5.4% |
| 1996 | 0.6287 | -3.0% |
| 1998 | 0.6398 | +1.8% |
| 2002 | 0.5899 | -7.8% |
| 2004 | 0.6827 | +15.7% |
| 2006 | 0.6836 | +0.1% |
| 2010 | 0.6616 | -3.2% |
| 2015 | 0.6905 | +4.4% |
| 2022 | 0.6438 | -6.8% |
Zambia compared with similar countries
- Zambia's 0.6438 is above the median for lower middle income countries, which is 0.5666, 1.1× the median. (23 countries reporting)
- Zambia's 0.6438 is above the median for Sub-Saharan Africa, which is 0.5654, 1.1× the median. (26 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0.6505 | 0.6287 | 0.6851 | 4 |
| 2000s | 0.6521 | 0.5899 | 0.6836 | 3 |
| 2010s | 0.6761 | 0.6616 | 0.6905 | 2 |
| 2020s | 0.6438 | 0.6438 | 0.6438 | 1 |
Countries ranked near Zambia
More poverty & inequality data for Zambia
- 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 4.1 live births per woman (2023)
- Cereal yield vs. share in extreme poverty 2,344 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 -4.62 % change on previous year (2023)
- Tax revenues vs income inequality, gaps filled 16.23 (2023)
- Tax revenue as share of GDP vs. income inequality 16.2% (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 Zambia?
- Income inequality: gini coefficient before and after tax in Zambia was 0.6438 in 2022, 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 Zambia?
- The highest recorded value was 0.6905 in 2015.
- What is the lowest income inequality: gini coefficient before and after tax recorded in Zambia?
- The lowest recorded value was 0.5899 in 2002.
- How does Zambia rank for income inequality: gini coefficient before and after tax?
- Zambia ranks 7th out of 109 countries with data for 2022.
- Is income inequality: gini coefficient before and after tax rising or falling in Zambia?
- Over the last ten years it is down 2.7%. The long-run trend across the full record is flat.
- Where does this Zambia 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 — 10 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.