Lower secondary school completion rates, adjusted gender parity index in Nigeria
Nigeria: Lower secondary school completion rates, adjusted gender parity index was 0.9133 index in 2025. ▲ Rising
Lower secondary school completion rates, adjusted gender parity index in Nigeria, 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 Nigeria is 0.9133 index, measured in 2025.
That represents a change of up 0.2% on the previous year and up 3.2% over ten years.
Over the whole period, lower secondary school completion rates, adjusted gender parity index in Nigeria peaked at 0.9136 index in 2022 and was at its lowest, 0.7614 index, in 1981.
Nigeria ranks 147th of 164 countries on this measure, 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 Nigeria, year by year
| Year | index | Change |
|---|---|---|
| 1981 | 0.7614 index | — |
| 1982 | 0.7668 index | +0.7% |
| 1983 | 0.7721 index | +0.7% |
| 1984 | 0.7799 index | +1.0% |
| 1985 | 0.7831 index | +0.4% |
| 1986 | 0.7917 index | +1.1% |
| 1987 | 0.7952 index | +0.4% |
| 1988 | 0.8012 index | +0.8% |
| 1989 | 0.8097 index | +1.1% |
| 1990 | 0.8214 index | +1.4% |
| 1991 | 0.8299 index | +1.0% |
| 1992 | 0.8339 index | +0.5% |
| 1993 | 0.8275 index | -0.8% |
| 1994 | 0.8219 index | -0.7% |
| 1995 | 0.8194 index | -0.3% |
| 1996 | 0.8216 index | +0.3% |
| 1997 | 0.8187 index | -0.4% |
| 1998 | 0.8172 index | -0.2% |
| 1999 | 0.8177 index | +0.1% |
| 2000 | 0.8229 index | +0.6% |
| 2001 | 0.8312 index | +1.0% |
| 2002 | 0.8399 index | +1.0% |
| 2003 | 0.8478 index | +0.9% |
| 2004 | 0.8576 index | +1.2% |
| 2005 | 0.8679 index | +1.2% |
| 2006 | 0.8763 index | +1.0% |
| 2007 | 0.8813 index | +0.6% |
| 2008 | 0.8838 index | +0.3% |
| 2009 | 0.8866 index | +0.3% |
| 2010 | 0.8886 index | +0.2% |
| 2011 | 0.89 index | +0.2% |
| 2012 | 0.8886 index | -0.2% |
| 2013 | 0.8858 index | -0.3% |
| 2014 | 0.8835 index | -0.3% |
| 2015 | 0.8854 index | +0.2% |
| 2016 | 0.8903 index | +0.5% |
| 2017 | 0.8942 index | +0.4% |
| 2018 | 0.8985 index | +0.5% |
| 2019 | 0.9024 index | +0.4% |
| 2020 | 0.907 index | +0.5% |
| 2021 | 0.9114 index | +0.5% |
| 2022 | 0.9136 index | +0.2% |
| 2023 | 0.9128 index | -0.1% |
| 2024 | 0.9114 index | -0.1% |
| 2025 | 0.9133 index | +0.2% |
Nigeria compared with similar countries
- Nigeria's 0.9133 index is below the median for lower middle income countries, which is 1.09 index, 84% of the median. (45 countries reporting)
- Nigeria's 0.9133 index is below the median for Sub-Saharan Africa, which is 1.05 index, 87% of the median. (45 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.7846 index | 0.7614 index | 0.8097 index | 9 |
| 1990s | 0.8229 index | 0.8172 index | 0.8339 index | 10 |
| 2000s | 0.8595 index | 0.8229 index | 0.8866 index | 10 |
| 2010s | 0.8907 index | 0.8835 index | 0.9024 index | 10 |
| 2020s | 0.9116 index | 0.907 index | 0.9136 index | 6 |
Countries ranked near Nigeria
More gender data for Nigeria
- Child population (UN estimates and projections) 99,803 (2030)
- Child population (UN estimates and projections) (0-14), annual growth 0.6887 % change on previous year (2030)
- Population 162,578 (2030)
- Working-age population (UN estimates and projections) 162,578 (2030)
- Population (UN estimates and projections), annual growth rate 2.75 % change on previous year (2030)
- Age population, age 00, female, interpolated 3.55 million (2025)
- Age population, age 00, male, interpolated 3.66 million (2025)
- Age population, age 01, female, interpolated 3.45 million (2025)
- Age population, age 01, male, interpolated 3.54 million (2025)
- Age population, age 02, female, interpolated 3.38 million (2025)
Frequently asked questions
- What is lower secondary school completion rates, adjusted gender parity index in Nigeria?
- Lower secondary school completion rates, adjusted gender parity index in Nigeria was 0.9133 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 Nigeria?
- The highest recorded value was 0.9136 index in 2022.
- What is the lowest lower secondary school completion rates, adjusted gender parity index recorded in Nigeria?
- The lowest recorded value was 0.7614 index in 1981.
- How does Nigeria rank for lower secondary school completion rates, adjusted gender parity index?
- Nigeria ranks 147th out of 164 countries with data for 2025.
- Is lower secondary school completion rates, adjusted gender parity index rising or falling in Nigeria?
- Over the last ten years it is up 3.2%. The long-run trend across the full record is rising.
- Where does this Nigeria 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.