Lower secondary school completion rates, adjusted gender parity index in Congo
Congo: Lower secondary school completion rates, adjusted gender parity index was 0.6872 index in 2025. ▲ Rising
Lower secondary school completion rates, adjusted gender parity index in Congo, 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 Congo is 0.6872 index, measured in 2025.
That represents a change of down 0.5% on the previous year and down 13.3% over ten years.
Over the whole period, lower secondary school completion rates, adjusted gender parity index in Congo peaked at 0.9806 index in 2008 and was at its lowest, 0.4961 index, in 1981.
That places Congo 155th out of 164 countries with data for 2025, putting it in the bottom quarter.
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 Congo, year by year
| Year | index | Change |
|---|---|---|
| 1981 | 0.4961 index | — |
| 1982 | 0.5097 index | +2.7% |
| 1983 | 0.5142 index | +0.9% |
| 1984 | 0.5214 index | +1.4% |
| 1985 | 0.5311 index | +1.8% |
| 1986 | 0.5392 index | +1.5% |
| 1987 | 0.5446 index | +1.0% |
| 1988 | 0.5449 index | +0.1% |
| 1989 | 0.5574 index | +2.3% |
| 1990 | 0.5724 index | +2.7% |
| 1991 | 0.592 index | +3.4% |
| 1992 | 0.6146 index | +3.8% |
| 1993 | 0.6444 index | +4.9% |
| 1994 | 0.6728 index | +4.4% |
| 1995 | 0.7048 index | +4.8% |
| 1996 | 0.7391 index | +4.9% |
| 1997 | 0.777 index | +5.1% |
| 1998 | 0.8114 index | +4.4% |
| 1999 | 0.8401 index | +3.5% |
| 2000 | 0.8608 index | +2.5% |
| 2001 | 0.8783 index | +2.0% |
| 2002 | 0.8965 index | +2.1% |
| 2003 | 0.9173 index | +2.3% |
| 2004 | 0.9336 index | +1.8% |
| 2005 | 0.9483 index | +1.6% |
| 2006 | 0.9584 index | +1.1% |
| 2007 | 0.9716 index | +1.4% |
| 2008 | 0.9806 index | +0.9% |
| 2009 | 0.9728 index | -0.8% |
| 2010 | 0.9517 index | -2.2% |
| 2011 | 0.9255 index | -2.8% |
| 2012 | 0.8967 index | -3.1% |
| 2013 | 0.8602 index | -4.1% |
| 2014 | 0.8213 index | -4.5% |
| 2015 | 0.7924 index | -3.5% |
| 2016 | 0.7624 index | -3.8% |
| 2017 | 0.7432 index | -2.5% |
| 2018 | 0.7286 index | -2.0% |
| 2019 | 0.7111 index | -2.4% |
| 2020 | 0.7009 index | -1.4% |
| 2021 | 0.6954 index | -0.8% |
| 2022 | 0.6925 index | -0.4% |
| 2023 | 0.689 index | -0.5% |
| 2024 | 0.6904 index | +0.2% |
| 2025 | 0.6872 index | -0.5% |
Congo compared with similar countries
- Congo's 0.6872 index is below the median for lower middle income countries, which is 1.09 index, 63% of the median. (45 countries reporting)
- Congo's 0.6872 index is below the median for Sub-Saharan Africa, which is 1.05 index, 66% of the median. (45 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.5287 index | 0.4961 index | 0.5574 index | 9 |
| 1990s | 0.6969 index | 0.5724 index | 0.8401 index | 10 |
| 2000s | 0.9318 index | 0.8608 index | 0.9806 index | 10 |
| 2010s | 0.8193 index | 0.7111 index | 0.9517 index | 10 |
| 2020s | 0.6926 index | 0.6872 index | 0.7009 index | 6 |
Countries ranked near Congo
- 152 Guinea 0.8247 index compare
- 153 Cote d'Ivoire 0.8018 index compare
- 154 Burundi 0.7391 index compare
- 156 Central African Republic 0.6752 index compare
- 157 Equatorial Guinea 0.66 index compare
- 158 Benin 0.6583 index compare
More gender data for Congo
- Child population (UN estimates and projections) 2,740 (2030)
- Child population (UN estimates and projections) (0-14), annual growth 1.35 % change on previous year (2030)
- Population 4,543 (2030)
- Working-age population (UN estimates and projections) 4,543 (2030)
- Population (UN estimates and projections), annual growth rate 2.93 % change on previous year (2030)
- Age population, age 00, female, interpolated 93,771 (2025)
- Age population, age 00, male, interpolated 95,629 (2025)
- Age population, age 01, female, interpolated 91,657 (2025)
- Age population, age 01, male, interpolated 93,441 (2025)
- Age population, age 02, female, interpolated 89,756 (2025)
Frequently asked questions
- What is lower secondary school completion rates, adjusted gender parity index in Congo?
- Lower secondary school completion rates, adjusted gender parity index in Congo was 0.6872 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 Congo?
- The highest recorded value was 0.9806 index in 2008.
- What is the lowest lower secondary school completion rates, adjusted gender parity index recorded in Congo?
- The lowest recorded value was 0.4961 index in 1981.
- How does Congo rank for lower secondary school completion rates, adjusted gender parity index?
- Congo ranks 155th out of 164 countries with data for 2025.
- Is lower secondary school completion rates, adjusted gender parity index rising or falling in Congo?
- Over the last ten years it is down 13.3%. The long-run trend across the full record is rising.
- Where does this Congo 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.
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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.