Theoretical duration of lower secondary education (years) in Guinea-Bissau
Guinea-Bissau: Theoretical duration of lower secondary education (years) was 3 years in 2025. ▬ Flat
Latest (2025)
3 years
Change on year
unchanged
World rank
91st
of 221 countries
All-time high
3 years
in 1970
All-time low
3 years
in 1970
Years of data
56
1970–2025
Theoretical duration of lower secondary education in Guinea-Bissau, 1970–2025
Source: UNESCO Institute for Statistics. Measured in years.
Analysis
In 2025, theoretical duration of lower secondary education in Guinea-Bissau stood at 3 years. That is the highest value across all 56 years on record.
The figure is unchanged over ten years.
Over the whole period, theoretical duration of lower secondary education in Guinea-Bissau peaked at 3 years in 1970 and was at its lowest, 3 years, in 1970.
Guinea-Bissau ranks 91st of 221 countries on this measure, in the middle of the range.
Theoretical duration of lower secondary education (years) in Guinea-Bissau, year by year
| Year | years | Change |
|---|---|---|
| 1970 | 3 years | — |
| 1971 | 3 years | +0.0% |
| 1972 | 3 years | +0.0% |
| 1973 | 3 years | +0.0% |
| 1974 | 3 years | +0.0% |
| 1975 | 3 years | +0.0% |
| 1976 | 3 years | +0.0% |
| 1977 | 3 years | +0.0% |
| 1978 | 3 years | +0.0% |
| 1979 | 3 years | +0.0% |
| 1980 | 3 years | +0.0% |
| 1981 | 3 years | +0.0% |
| 1982 | 3 years | +0.0% |
| 1983 | 3 years | +0.0% |
| 1984 | 3 years | +0.0% |
| 1985 | 3 years | +0.0% |
| 1986 | 3 years | +0.0% |
| 1987 | 3 years | +0.0% |
| 1988 | 3 years | +0.0% |
| 1989 | 3 years | +0.0% |
| 1990 | 3 years | +0.0% |
| 1991 | 3 years | +0.0% |
| 1992 | 3 years | +0.0% |
| 1993 | 3 years | +0.0% |
| 1994 | 3 years | +0.0% |
| 1995 | 3 years | +0.0% |
| 1996 | 3 years | +0.0% |
| 1997 | 3 years | +0.0% |
| 1998 | 3 years | +0.0% |
| 1999 | 3 years | +0.0% |
| 2000 | 3 years | +0.0% |
| 2001 | 3 years | +0.0% |
| 2002 | 3 years | +0.0% |
| 2003 | 3 years | +0.0% |
| 2004 | 3 years | +0.0% |
| 2005 | 3 years | +0.0% |
| 2006 | 3 years | +0.0% |
| 2007 | 3 years | +0.0% |
| 2008 | 3 years | +0.0% |
| 2009 | 3 years | +0.0% |
| 2010 | 3 years | +0.0% |
| 2011 | 3 years | +0.0% |
| 2012 | 3 years | +0.0% |
| 2013 | 3 years | +0.0% |
| 2014 | 3 years | +0.0% |
| 2015 | 3 years | +0.0% |
| 2016 | 3 years | +0.0% |
| 2017 | 3 years | +0.0% |
| 2018 | 3 years | +0.0% |
| 2019 | 3 years | +0.0% |
| 2020 | 3 years | +0.0% |
| 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% |
Guinea-Bissau compared with similar countries
- Guinea-Bissau's 3 years is above the median for low income countries, which is 3 years, 1.0× the median. (25 countries reporting)
- Guinea-Bissau's 3 years is above the median for Sub-Saharan Africa, which is 3 years, 1.0× the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 3 years | 3 years | 3 years | 10 |
| 1980s | 3 years | 3 years | 3 years | 10 |
| 1990s | 3 years | 3 years | 3 years | 10 |
| 2000s | 3 years | 3 years | 3 years | 10 |
| 2010s | 3 years | 3 years | 3 years | 10 |
| 2020s | 3 years | 3 years | 3 years | 6 |
Countries ranked near Guinea-Bissau
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More education data for Guinea-Bissau
- Teachers in secondary education, both sexes (number), gaps filled 1,480 (2006)
- Repeaters in primary education, all grades, both sexes (number), gaps 39,234 (2010)
- Enrolment in pre-primary education, male (number), gaps filled 4,360 (2010)
- Enrolment in pre-primary education, female (number), gaps filled 4,590 (2010)
- Secondary education, pupils, gaps filled 55,176 (2006)
- Primary education, duration (years), annual growth rate 0 % change on previous year (2025)
- Primary education, pupils, gaps filled 278,890 (2010)
- Primary education, pupils, annual growth rate 6.65 % change on previous year (2006)
- Primary education, pupils, per unit of GDP 0.0003 units per US$ of GDP (2010)
- Primary education, pupils, per capita 0.1781 units per person (2010)
Frequently asked questions
- What is theoretical duration of lower secondary education in Guinea-Bissau?
- Theoretical duration of lower secondary education in Guinea-Bissau was 3 years in 2025, according to UNESCO Institute for Statistics.
- What is the highest theoretical duration of lower secondary education recorded in Guinea-Bissau?
- The highest recorded value was 3 years in 1970.
- What is the lowest theoretical duration of lower secondary education recorded in Guinea-Bissau?
- The lowest recorded value was 3 years in 1970.
- How does Guinea-Bissau rank for theoretical duration of lower secondary education?
- Guinea-Bissau ranks 91st out of 221 countries with data for 2025.
- Is theoretical duration of lower secondary education rising or falling in Guinea-Bissau?
- Over the last ten years it is unchanged. The long-run trend across the full record is flat.
- Where does this Guinea-Bissau 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