Reduction in Human Development Index when adjusting for inequalities in Sierra Leone
Sierra Leone: Reduction in Human Development Index when adjusting for inequalities was 39.8% in 2023. ▼ Falling
Reduction in Human Development Index when adjusting for inequalities in Sierra Leone, 2011–2023
Source: UNDP, Human Development Report (2025) – with minor processing by Our World in Data. Measured in %.
Analysis
Sierra Leone recorded 39.8% for reduction in human development index when adjusting for inequalities in 2023. That is the lowest value across all 13 years on record.
The figure is down 0.3% on the previous year and down 6.6% over ten years.
Over the whole period, reduction in human development index when adjusting for inequalities in Sierra Leone peaked at 44.0% in 2011 and was at its lowest, 39.8%, in 2023.
That places Sierra Leone 6th out of 166 countries with data for 2023, putting it in the top 10%.
The long-run direction has been consistently falling across the 13 years of available data.
Reduction in Human Development Index when adjusting for inequalities in Sierra Leone, year by year
| Year | % | Change |
|---|---|---|
| 2011 | 44.0% | — |
| 2012 | 43.5% | -1.0% |
| 2013 | 42.7% | -2.0% |
| 2014 | 42.5% | -0.5% |
| 2015 | 41.9% | -1.3% |
| 2016 | 41.5% | -1.0% |
| 2017 | 41.1% | -0.9% |
| 2018 | 40.8% | -0.8% |
| 2019 | 40.9% | +0.2% |
| 2020 | 40.5% | -0.9% |
| 2021 | 40.2% | -0.9% |
| 2022 | 40.0% | -0.5% |
| 2023 | 39.8% | -0.3% |
Sierra Leone compared with similar countries
- Sierra Leone's 39.8% is above the median for low income countries, which is 35.4%, 1.1× the median. (22 countries reporting)
- Sierra Leone's 39.8% is above the median for Sub-Saharan Africa, which is 35.6%, 1.1× the median. (45 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 42.1% | 40.8% | 44.0% | 9 |
| 2020s | 40.1% | 39.8% | 40.5% | 4 |
Countries ranked near Sierra Leone
- 3 Comoros 41.0% compare
- 4 Burkina Faso 40.5% compare
- 5 Cote d'Ivoire 39.9% compare
- 7 Mozambique 39.8% compare
- 8 Guinea 39.6% compare
- 9 Chad 39.4% compare
More reference data data for Sierra Leone
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0238 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.4498 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.5935 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.12 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.5935 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0797 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.044 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.91 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 2.72 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.6534 (2050)
Frequently asked questions
- What is reduction in human development index when adjusting for inequalities in Sierra Leone?
- Reduction in human development index when adjusting for inequalities in Sierra Leone was 39.8% in 2023, according to UNDP, Human Development Report (2025) – with minor processing by Our World in Data.
- What is the highest reduction in human development index when adjusting for inequalities recorded in Sierra Leone?
- The highest recorded value was 44.0% in 2011.
- What is the lowest reduction in human development index when adjusting for inequalities recorded in Sierra Leone?
- The lowest recorded value was 39.8% in 2023.
- How does Sierra Leone rank for reduction in human development index when adjusting for inequalities?
- Sierra Leone ranks 6th out of 166 countries with data for 2023.
- Is reduction in human development index when adjusting for inequalities rising or falling in Sierra Leone?
- Over the last ten years it is down 6.6%. The long-run trend across the full record is falling.
- 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 Reduction in Human Development Index when adjusting for inequalities. Statizoid updates them automatically from the source API.
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About this data
Percentage difference between the IHDI value and the HDI value.