Income inequality: Atkinson index in Sierra Leone
Sierra Leone: Income inequality: Atkinson index was 0.3592 in 2023. ▬ Flat
Income inequality: Atkinson index in Sierra Leone, 2011–2023
Source: UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
Analysis
Sierra Leone recorded 0.3592 for income inequality: atkinson index in 2023. That is the highest value across all 13 years on record.
Compared with earlier readings it is up 2.9% over ten years.
Over the whole period, income inequality: atkinson index in Sierra Leone peaked at 0.3592 in 2018 and was at its lowest, 0.3493, in 2011.
Sierra Leone ranks 52nd of 174 countries on this measure, in the middle of the range.
Income inequality: Atkinson index in Sierra Leone, year by year
| Year | Value | Change |
|---|---|---|
| 2011 | 0.3493 | — |
| 2012 | 0.3493 | +0.0% |
| 2013 | 0.3493 | +0.0% |
| 2014 | 0.3493 | +0.0% |
| 2015 | 0.3493 | +0.0% |
| 2016 | 0.3493 | +0.0% |
| 2017 | 0.3493 | +0.0% |
| 2018 | 0.3592 | +2.9% |
| 2019 | 0.3592 | +0.0% |
| 2020 | 0.3592 | +0.0% |
| 2021 | 0.3592 | +0.0% |
| 2022 | 0.3592 | +0.0% |
| 2023 | 0.3592 | +0.0% |
Sierra Leone compared with similar countries
- Sierra Leone's 0.3592 is below the median for low income countries, which is 0.3934, 91% of the median. (23 countries reporting)
- Sierra Leone's 0.3592 is below the median for Sub-Saharan Africa, which is 0.4345, 83% of the median. (47 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 0.3515 | 0.3493 | 0.3592 | 9 |
| 2020s | 0.3592 | 0.3592 | 0.3592 | 4 |
Countries ranked near Sierra Leone
More poverty & inequality data for Sierra Leone
- 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 3.79 live births per woman (2023)
- Cereal yield vs. share in extreme poverty 1,470 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 -25.13 % change on previous year (2023)
- Tax revenues vs income inequality, gaps filled 6.33 (2023)
- Tax revenue as share of GDP vs. income inequality 6.3% (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 Sierra Leone?
- Income inequality: atkinson index in Sierra Leone was 0.3592 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 Sierra Leone?
- The highest recorded value was 0.3592 in 2018.
- What is the lowest income inequality: atkinson index recorded in Sierra Leone?
- The lowest recorded value was 0.3493 in 2011.
- How does Sierra Leone rank for income inequality: atkinson index?
- Sierra Leone ranks 52nd out of 174 countries with data for 2023.
- Is income inequality: atkinson index rising or falling in Sierra Leone?
- Over the last ten years it is up 2.9%. The long-run trend across the full record is flat.
- Where does this Sierra Leone 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
CSV · JSON — 13 observations, free to reuse under CC BY 4.0 (Our World in Data).
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.