Upper secondary completion rate, adjusted gender parity index in Nigeria

Nigeria: Upper secondary completion rate, adjusted gender parity index was 0.8457 index in 2025. β–² Rising

Latest (2025)
0.8457 index
Change on year
up 0.6%
World rank
145th
of 164 countries
All-time high
0.8457 index
in 2025
All-time low
0.6224 index
in 1981
Years of data
45
1981–2025

Upper secondary completion rate, adjusted gender parity index in Nigeria, 1981–2025

00.20.40.60.81981200320251981: 0.622 index1982: 0.629 index1983: 0.632 index1984: 0.638 index1985: 0.648 index1986: 0.661 index1987: 0.672 index1988: 0.682 index1989: 0.692 index1990: 0.701 index1991: 0.707 index1992: 0.714 index1993: 0.725 index1994: 0.738 index1995: 0.746 index1996: 0.745 index1997: 0.743 index1998: 0.743 index1999: 0.747 index2000: 0.749 index2001: 0.751 index2002: 0.751 index2003: 0.753 index2004: 0.76 index2005: 0.767 index2006: 0.776 index2007: 0.782 index2008: 0.787 index2009: 0.791 index2010: 0.792 index2011: 0.793 index2012: 0.792 index2013: 0.798 index2014: 0.803 index2015: 0.804 index2016: 0.8 index2017: 0.797 index2018: 0.799 index2019: 0.807 index2020: 0.816 index2021: 0.825 index2022: 0.83 index2023: 0.834 index2024: 0.84 index2025: 0.846 index

Source: UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data. Measured in index.

Analysis

In 2025, upper secondary completion rate, adjusted gender parity index in Nigeria stood at 0.8457 index. That is the highest value across all 45 years on record.

That represents a change of up 0.6% on the previous year and up 5.2% over ten years.

Over the whole period, upper secondary completion rate, adjusted gender parity index in Nigeria peaked at 0.8457 index in 2025 and was at its lowest, 0.6224 index, in 1981.

That places Nigeria 145th 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.

Averages by decade

DecadeAverage LowestHighest Years
1980s 0.653 index 0.6224 index 0.692 index 9
1990s 0.7309 index 0.7008 index 0.7469 index 10
2000s 0.7668 index 0.7494 index 0.7912 index 10
2010s 0.7985 index 0.7922 index 0.8072 index 10
2020s 0.8318 index 0.8165 index 0.8457 index 6

Countries ranked near Nigeria

  1. 142 Central African Republic 0.8721 index compare
  2. 143 Vanuatu 0.871 index compare
  3. 144 Tajikistan 0.8685 index compare
  4. 146 Congo, Rep. 0.8448 index compare
  5. 147 Tanzania 0.7667 index compare
  6. 148 Iraq 0.7627 index compare

See the full ranking of 164 places β†’

More gender data for Nigeria

All data for Nigeria β†’

Frequently asked questions

What is upper secondary completion rate, adjusted gender parity index in Nigeria?
Upper secondary completion rate, adjusted gender parity index in Nigeria was 0.8457 index in 2025, according to UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data.
What is the highest upper secondary completion rate, adjusted gender parity index recorded in Nigeria?
The highest recorded value was 0.8457 index in 2025.
What is the lowest upper secondary completion rate, adjusted gender parity index recorded in Nigeria?
The lowest recorded value was 0.6224 index in 1981.
How does Nigeria rank for upper secondary completion rate, adjusted gender parity index?
Nigeria ranks 145th out of 164 countries with data for 2025.
Is upper secondary completion rate, adjusted gender parity index rising or falling in Nigeria?
Over the last ten years it is up 5.2%. 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 Upper secondary completion rate, adjusted gender parity index. Statizoid updates them automatically from the source API.

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About this data

Indicator
Upper secondary completion rate, adjusted gender parity index
Unit
index
Source
UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
164 places, 7,240 data points, 1981–2025
Last refreshed

An adjusted gender parity index of 1 indicates equal upper secondary school completion rates between boys and girls. Values below 1 favor boys, and values above 1 favor girls.