Theoretical duration of lower secondary education in Sudan
Sudan: Theoretical duration of lower secondary education was 3 years in 2025. ▲ Rising
Latest (2025)
3 years
Change on year
unchanged
World rank
88th
of 215 countries
All-time high
3 years
in 2020
All-time low
2 years
in 1998
Years of data
28
1998–2025
Theoretical duration of lower secondary education in Sudan, 1998–2025
Source: UNESCO Institute for Statistics. Measured in years.
Analysis
Sudan recorded 3 years for theoretical duration of lower secondary education in 2025. That is the highest value across all 28 years on record.
That represents a change of up 50.0% over ten years.
Over the whole period, theoretical duration of lower secondary education in Sudan peaked at 3 years in 2020 and was at its lowest, 2 years, in 1998.
Sudan ranks 88th of 215 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 28 years of available data.
Theoretical duration of lower secondary education in Sudan, year by year
| Year | years | Change |
|---|---|---|
| 1998 | 2 years | — |
| 1999 | 2 years | +0.0% |
| 2000 | 2 years | +0.0% |
| 2001 | 2 years | +0.0% |
| 2002 | 2 years | +0.0% |
| 2003 | 2 years | +0.0% |
| 2004 | 2 years | +0.0% |
| 2005 | 2 years | +0.0% |
| 2006 | 2 years | +0.0% |
| 2007 | 2 years | +0.0% |
| 2008 | 2 years | +0.0% |
| 2009 | 2 years | +0.0% |
| 2010 | 2 years | +0.0% |
| 2011 | 2 years | +0.0% |
| 2012 | 2 years | +0.0% |
| 2013 | 2 years | +0.0% |
| 2014 | 2 years | +0.0% |
| 2015 | 2 years | +0.0% |
| 2016 | 2 years | +0.0% |
| 2017 | 2 years | +0.0% |
| 2018 | 2 years | +0.0% |
| 2019 | 2 years | +0.0% |
| 2020 | 3 years | +50.0% |
| 2021 | 3 years | +0.0% |
| 2022 | 3 years | +0.0% |
| 2023 | 3 years | +0.0% |
| 2024 | 3 years | +0.0% |
| 2025 | 3 years | +0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 2 years | 2 years | 2 years | 2 |
| 2000s | 2 years | 2 years | 2 years | 10 |
| 2010s | 2 years | 2 years | 2 years | 10 |
| 2020s | 3 years | 3 years | 3 years | 6 |
Countries ranked near Sudan
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More education data for Sudan
- Start of the academic school year (tertiary education), gaps filled 2,021 tertiary education (2022)
- Start of the academic school year (tertiary education), annual growth 0.0495 % change on previous year (2022)
- Duration of pre primary education, annual growth rate 0 % change on previous year (2025)
- Duration of pre primary education 2 (2025)
- Official entrance age to pre primary education 4 (2025)
- Population ages 15-64 56.4% (2025)
- Population ages 0-14 40.2% (2025)
- Lower secondary school starting age 12 years (2025)
- Primary school starting age 6 years (2025)
- Primary secondary enrollment completion rates, gaps filled 72.4 (2019)
Frequently asked questions
- What is theoretical duration of lower secondary education in Sudan?
- Theoretical duration of lower secondary education in Sudan was 3 years in 2025, according to UNESCO Institute for Statistics.
- What is the highest theoretical duration of lower secondary education recorded in Sudan?
- The highest recorded value was 3 years in 2020.
- What is the lowest theoretical duration of lower secondary education recorded in Sudan?
- The lowest recorded value was 2 years in 1998.
- How does Sudan rank for theoretical duration of lower secondary education?
- Sudan ranks 88th out of 215 countries with data for 2025.
- Is theoretical duration of lower secondary education rising or falling in Sudan?
- Over the last ten years it is up 50.0%. The long-run trend across the full record is rising.
- Where does this Sudan data come from?
- The figures come from UNESCO Institute for Statistics, published as part of Theoretical duration of lower secondary education (years). Statizoid updates them automatically from the source API.
Download this data
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About this data
February 2026 Data Release