Lower secondary school completion rates, adjusted gender parity index in Guinea-Bissau
Guinea-Bissau: Lower secondary school completion rates, adjusted gender parity index was 1.05 index in 2025. ▲ Rising
Lower secondary school completion rates, adjusted gender parity index in Guinea-Bissau, 1981–2025
Source: UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data. Measured in index.
Analysis
The most recent figure for lower secondary school completion rates, adjusted gender parity index in Guinea-Bissau is 1.05 index, measured in 2025. That is the highest value across all 45 years on record.
That represents a change of up 1.4% on the previous year and up 33.4% over ten years.
Over the whole period, lower secondary school completion rates, adjusted gender parity index in Guinea-Bissau peaked at 1.05 index in 2025 and was at its lowest, 0.3308 index, in 1981.
That places Guinea-Bissau 60th out of 164 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 45 years of available data.
Lower secondary school completion rates, adjusted gender parity index in Guinea-Bissau, year by year
| Year | index | Change |
|---|---|---|
| 1981 | 0.3308 index | — |
| 1982 | 0.3412 index | +3.1% |
| 1983 | 0.3519 index | +3.1% |
| 1984 | 0.3631 index | +3.2% |
| 1985 | 0.3765 index | +3.7% |
| 1986 | 0.3979 index | +5.7% |
| 1987 | 0.423 index | +6.3% |
| 1988 | 0.4457 index | +5.4% |
| 1989 | 0.4726 index | +6.0% |
| 1990 | 0.496 index | +5.0% |
| 1991 | 0.5226 index | +5.4% |
| 1992 | 0.5514 index | +5.5% |
| 1993 | 0.5786 index | +4.9% |
| 1994 | 0.6056 index | +4.7% |
| 1995 | 0.6234 index | +2.9% |
| 1996 | 0.6376 index | +2.3% |
| 1997 | 0.6375 index | -0.0% |
| 1998 | 0.6443 index | +1.1% |
| 1999 | 0.6459 index | +0.2% |
| 2000 | 0.652 index | +0.9% |
| 2001 | 0.6632 index | +1.7% |
| 2002 | 0.6735 index | +1.5% |
| 2003 | 0.6737 index | +0.0% |
| 2004 | 0.6738 index | +0.0% |
| 2005 | 0.6682 index | -0.8% |
| 2006 | 0.6642 index | -0.6% |
| 2007 | 0.666 index | +0.3% |
| 2008 | 0.6674 index | +0.2% |
| 2009 | 0.673 index | +0.8% |
| 2010 | 0.6796 index | +1.0% |
| 2011 | 0.6855 index | +0.9% |
| 2012 | 0.6915 index | +0.9% |
| 2013 | 0.7133 index | +3.2% |
| 2014 | 0.744 index | +4.3% |
| 2015 | 0.7858 index | +5.6% |
| 2016 | 0.8297 index | +5.6% |
| 2017 | 0.8723 index | +5.1% |
| 2018 | 0.9117 index | +4.5% |
| 2019 | 0.944 index | +3.6% |
| 2020 | 0.9734 index | +3.1% |
| 2021 | 0.9947 index | +2.2% |
| 2022 | 1.01 index | +1.4% |
| 2023 | 1.02 index | +1.0% |
| 2024 | 1.03 index | +1.5% |
| 2025 | 1.05 index | +1.4% |
Guinea-Bissau compared with similar countries
- Guinea-Bissau's 1.05 index is above the median for low income countries, which is 1 index, 1.0× the median. (23 countries reporting)
- Guinea-Bissau's 1.05 index is above the median for Sub-Saharan Africa, which is 1.05 index, 1.0× the median. (45 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.3892 index | 0.3308 index | 0.4726 index | 9 |
| 1990s | 0.5943 index | 0.496 index | 0.6459 index | 10 |
| 2000s | 0.6675 index | 0.652 index | 0.6738 index | 10 |
| 2010s | 0.7858 index | 0.6796 index | 0.944 index | 10 |
| 2020s | 1.01 index | 0.9734 index | 1.05 index | 6 |
Countries ranked near Guinea-Bissau
- 57 Cameroon 1.06 index compare
- 58 Trinidad and Tobago 1.05 index compare
- 59 Madagascar 1.05 index compare
- 61 Botswana 1.05 index compare
- 62 Netherlands 1.04 index compare
- 63 Maldives 1.04 index compare
More gender data for Guinea-Bissau
- Child population (UN estimates and projections) 894.88 (2030)
- Child population (UN estimates and projections) (0-14), annual growth 0.69 % change on previous year (2030)
- Population 1,594 (2030)
- Working-age population (UN estimates and projections) 1,594 (2030)
- Population (UN estimates and projections), annual growth rate 2.65 % change on previous year (2030)
- Age population, age 00, female, interpolated 30,905 (2025)
- Age population, age 00, male, interpolated 31,871 (2025)
- Age population, age 01, female, interpolated 30,253 (2025)
- Age population, age 01, male, interpolated 31,136 (2025)
- Age population, age 02, female, interpolated 29,772 (2025)
Frequently asked questions
- What is lower secondary school completion rates, adjusted gender parity index in Guinea-Bissau?
- Lower secondary school completion rates, adjusted gender parity index in Guinea-Bissau was 1.05 index in 2025, according to UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data.
- What is the highest lower secondary school completion rates, adjusted gender parity index recorded in Guinea-Bissau?
- The highest recorded value was 1.05 index in 2025.
- What is the lowest lower secondary school completion rates, adjusted gender parity index recorded in Guinea-Bissau?
- The lowest recorded value was 0.3308 index in 1981.
- How does Guinea-Bissau rank for lower secondary school completion rates, adjusted gender parity index?
- Guinea-Bissau ranks 60th out of 164 countries with data for 2025.
- Is lower secondary school completion rates, adjusted gender parity index rising or falling in Guinea-Bissau?
- Over the last ten years it is up 33.4%. The long-run trend across the full record is rising.
- Where does this Guinea-Bissau data come from?
- The figures come from UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data, published as part of Lower secondary school completion rates, adjusted gender parity index. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 45 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
An adjusted gender parity index of 1 indicates equal lower secondary school completion rates between boys and girls. Values below 1 favor boys, and values above 1 favor girls.