Sierra Leone vs Sudan: Average years of schooling vs. GDP per capita
Sierra Leone
3.54 years
in 2023
Sudan
3.96 years
in 2023
Sierra Leone rank
182nd
Sudan rank
179th
Average years of schooling vs. GDP per capita over time
- Sierra Leone
- Sudan
How they compare
Sudan currently reports 3.96 years against 3.54 years in Sierra Leone, a difference of 0.42 years.
That makes Sudan's figure about 1.1 times Sierra Leone's.
The two have swapped places 1 time across 34 shared years of data; in 1990 it was Sierra Leone ahead.
Sierra Leone ranks 182nd and Sudan ranks 179th of 192 countries.
Across the 4 decades both report, Sierra Leone averaged higher in 2 and Sudan in 2.
Head to head by decade
| Decade | Sierra Leone | Sudan | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 2.31 years | 1.92 years | 0.385 years | Sierra Leone |
| 2000s | 3.09 years | 2.82 years | 0.268 years | Sierra Leone |
| 2010s | 3.43 years | 3.52 years | 0.0938 years | Sudan |
| 2020s | 3.53 years | 3.94 years | 0.4077 years | Sudan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average years of schooling vs. gdp per capita, Sierra Leone or Sudan?
- Sudan, at 3.96 years against 3.54 years in Sierra Leone as of 2023.
- What is the difference in average years of schooling vs. gdp per capita between Sierra Leone and Sudan?
- 0.42 years, with Sudan ahead.
- How many years of comparable data are there for Sierra Leone and Sudan?
- 34 years are reported by both, from 1990 to 2023.
- How do Sierra Leone and Sudan rank globally for average years of schooling vs. gdp per capita?
- Sierra Leone ranks 182nd and Sudan ranks 179th of 192 countries.
- Where does this data come from?
- UNDP, Human Development Report (2025) – with minor processing by Our World in Data, published as Average years of schooling vs. GDP per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Average number of years (excluding years spent repeating individual grades) adults over 25 years participated in formal education.