Niger vs Sierra Leone: Human Development Index groups
Niger
0.419
in 2023
Sierra Leone
0.467
in 2023
Niger rank
188th
Sierra Leone rank
185th
Human Development Index groups over time
- Niger
- Sierra Leone
How they compare
Sierra Leone currently reports 0.467 against 0.419 in Niger, a difference of 0.048.
That makes Sierra Leone's figure about 1.1 times Niger's.
Across all 34 years both countries report, Sierra Leone has been ahead every year.
Niger ranks 188th and Sierra Leone ranks 185th of 192 countries.
Sierra Leone has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Niger | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 0.2371 | 0.3082 | 0.0711 | Sierra Leone |
| 2000s | 0.2968 | 0.3649 | 0.0681 | Sierra Leone |
| 2010s | 0.3701 | 0.4342 | 0.0641 | Sierra Leone |
| 2020s | 0.4125 | 0.4605 | 0.048 | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher human development index groups, Niger or Sierra Leone?
- Sierra Leone, at 0.467 against 0.419 in Niger as of 2023.
- What is the difference in human development index groups between Niger and Sierra Leone?
- 0.048, with Sierra Leone ahead.
- How many years of comparable data are there for Niger and Sierra Leone?
- 34 years are reported by both, from 1990 to 2023.
- How do Niger and Sierra Leone rank globally for human development index groups?
- Niger ranks 188th and Sierra Leone ranks 185th of 192 countries.
- Where does this data come from?
- UNDP, Human Development Report (2025) β with minor processing by Our World in Data, published as Human Development Index groups. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
The Human Development Index (HDI) is a summary measure of key dimensions of human development: a long and healthy life, a good education, and a decent standard of living. Higher values indicate higher human development.