Income inequality: Atkinson index in Tanzania
Tanzania: Income inequality: Atkinson index was 0.411 in 2023. ▬ Flat
Income inequality: Atkinson index in Tanzania, 2010–2023
Source: UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
Analysis
Tanzania recorded 0.411 for income inequality: atkinson index in 2023.
That represents a change of up 6.9% over ten years.
Over the whole period, income inequality: atkinson index in Tanzania peaked at 0.4246 in 2010 and was at its lowest, 0.3846, in 2012.
Tanzania ranks 32nd of 174 countries on this measure, in the top quarter.
Income inequality: Atkinson index in Tanzania, year by year
| Year | Value | Change |
|---|---|---|
| 2010 | 0.4246 | — |
| 2011 | 0.4246 | +0.0% |
| 2012 | 0.3846 | -9.4% |
| 2013 | 0.3846 | +0.0% |
| 2014 | 0.3846 | +0.0% |
| 2015 | 0.3846 | +0.0% |
| 2016 | 0.3846 | +0.0% |
| 2017 | 0.3846 | +0.0% |
| 2018 | 0.411 | +6.9% |
| 2019 | 0.411 | +0.0% |
| 2020 | 0.411 | +0.0% |
| 2021 | 0.411 | +0.0% |
| 2022 | 0.411 | +0.0% |
| 2023 | 0.411 | +0.0% |
Tanzania compared with similar countries
- Tanzania's 0.411 is above the median for lower middle income countries, which is 0.3514, 1.2× the median. (46 countries reporting)
- Tanzania's 0.411 is below the median for Sub-Saharan Africa, which is 0.4345, 95% of the median. (47 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 0.3979 | 0.3846 | 0.4246 | 10 |
| 2020s | 0.411 | 0.411 | 0.411 | 4 |
Countries ranked near Tanzania
- 29 Cote d'Ivoire 0.4345 compare
- 30 Burkina Faso 0.4338 compare
- 31 Sao Tome and Principe 0.4236 compare
- 33 Palau 0.4092 compare
- 34 Gambia 0.4011 compare
- 35 Kenya 0.3965 compare
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: atkinson index in Tanzania?
- Income inequality: atkinson index in Tanzania was 0.411 in 2023, according to UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
- What is the highest income inequality: atkinson index recorded in Tanzania?
- The highest recorded value was 0.4246 in 2010.
- What is the lowest income inequality: atkinson index recorded in Tanzania?
- The lowest recorded value was 0.3846 in 2012.
- How does Tanzania rank for income inequality: atkinson index?
- Tanzania ranks 32nd out of 174 countries with data for 2023.
- Is income inequality: atkinson index rising or falling in Tanzania?
- Over the last ten years it is up 6.9%. The long-run trend across the full record is flat.
- Where does this Tanzania data come from?
- The figures come from UNDP, Human Development Report (2025) – with minor processing by Our World in Data, published as part of Income inequality: Atkinson index. Statizoid updates them automatically from the source API.
Download this data
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About this data
The Atkinson index measures inequality on a scale from 0 to 1. Higher values indicate higher inequality. Depending on the country and year, the data relates to income measured after taxes and benefits, or to consumption, per capita.