Income inequality: Gini coefficient before and after tax in Tanzania
Tanzania: Income inequality: Gini coefficient before and after tax was 0.5938 in 2017. ▲ Rising
Income inequality: Gini coefficient before and after tax in Tanzania, 1991–2017
Source: World Inequality Database (WID.world) (2026) – with major processing by Our World in Data.
Analysis
Tanzania recorded 0.5938 for income inequality: gini coefficient before and after tax in 2017. That is the highest value across all 5 years on record.
That represents a change of up 1.5% over ten years.
Over the whole period, income inequality: gini coefficient before and after tax in Tanzania peaked at 0.5938 in 2017 and was at its lowest, 0.5424, in 1991.
Tanzania ranks 18th of 109 countries on this measure, in the top quarter.
Income inequality: Gini coefficient before and after tax in Tanzania, year by year
| Year | Value | Change |
|---|---|---|
| 1991 | 0.5424 | — |
| 2000 | 0.5618 | +3.6% |
| 2007 | 0.585 | +4.1% |
| 2011 | 0.5753 | -1.7% |
| 2017 | 0.5938 | +3.2% |
Tanzania compared with similar countries
- Tanzania's 0.5938 is above the median for lower middle income countries, which is 0.5666, 1.0× the median. (23 countries reporting)
- Tanzania's 0.5938 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 | 0.5424 | 0.5424 | 0.5424 | 1 |
| 2000s | 0.5734 | 0.5618 | 0.585 | 2 |
| 2010s | 0.5846 | 0.5753 | 0.5938 | 2 |
Countries ranked near Tanzania
More poverty & inequality data for Tanzania
- 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 4.61 live births per woman (2023)
- Cereal yield vs. share in extreme poverty 1,961 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 8.03 % change on previous year (2023)
- Tax revenues vs income inequality, gaps filled 11.48 (2023)
- Tax revenue as share of GDP vs. income inequality 11.5% (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 Tanzania?
- Income inequality: gini coefficient before and after tax in Tanzania was 0.5938 in 2017, 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 Tanzania?
- The highest recorded value was 0.5938 in 2017.
- What is the lowest income inequality: gini coefficient before and after tax recorded in Tanzania?
- The lowest recorded value was 0.5424 in 1991.
- How does Tanzania rank for income inequality: gini coefficient before and after tax?
- Tanzania ranks 18th out of 109 countries with data for 2017.
- Is income inequality: gini coefficient before and after tax rising or falling in Tanzania?
- Over the last ten years it is up 1.5%. The long-run trend across the full record is rising.
- Where does this Tanzania 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 — 5 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.