Lower secondary school completion rates, adjusted gender parity index in Sudan

Sudan: Lower secondary school completion rates, adjusted gender parity index was 1.07 index in 2025. ▲ Rising

Latest (2025)
1.07 index
Change on year
up 0.1%
World rank
50th
of 164 countries
All-time high
1.07 index
in 2025
All-time low
0.9349 index
in 1981
Years of data
45
1981–2025

Lower secondary school completion rates, adjusted gender parity index in Sudan, 1981–2025

00.250.50.7511981200320251981: 0.935 index1982: 0.942 index1983: 0.952 index1984: 0.965 index1985: 0.971 index1986: 0.975 index1987: 0.977 index1988: 0.98 index1989: 0.984 index1990: 0.993 index1991: 0.997 index1992: 0.992 index1993: 0.983 index1994: 0.98 index1995: 0.98 index1996: 0.981 index1997: 0.99 index1998: 0.995 index1999: 1 index2000: 1 index2001: 1 index2002: 1 index2003: 1 index2004: 1 index2005: 1 index2006: 1 index2007: 1 index2008: 1 index2009: 1 index2010: 1 index2011: 1 index2012: 1.1 index2013: 1.1 index2014: 1.1 index2015: 1 index2016: 1 index2017: 1 index2018: 1 index2019: 1 index2020: 1 index2021: 1.1 index2022: 1.1 index2023: 1.1 index2024: 1.1 index2025: 1.1 index

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

Analysis

Sudan recorded 1.07 index for lower secondary school completion rates, adjusted gender parity index in 2025. That is the highest value across all 45 years on record.

The figure is up 0.1% on the previous year and up 2.1% over ten years.

Over the whole period, lower secondary school completion rates, adjusted gender parity index in Sudan peaked at 1.07 index in 2025 and was at its lowest, 0.9349 index, in 1981.

That places Sudan 50th 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 Sudan, year by year

Annual values for Lower secondary school completion rates, adjusted gender parity index in Sudan, 1981 to 2025.
Year index Change
1981 0.9349 index —
1982 0.9423 index +0.8%
1983 0.9522 index +1.0%
1984 0.9647 index +1.3%
1985 0.9708 index +0.6%
1986 0.9753 index +0.5%
1987 0.9769 index +0.2%
1988 0.9799 index +0.3%
1989 0.9837 index +0.4%
1990 0.9929 index +0.9%
1991 0.9971 index +0.4%
1992 0.9923 index -0.5%
1993 0.9835 index -0.9%
1994 0.98 index -0.3%
1995 0.9796 index -0.0%
1996 0.9813 index +0.2%
1997 0.9899 index +0.9%
1998 0.9955 index +0.6%
1999 1 index +0.6%
2000 1 index +0.3%
2001 1.01 index +0.6%
2002 1.01 index +0.1%
2003 1.01 index +0.2%
2004 1.02 index +0.4%
2005 1.03 index +0.8%
2006 1.03 index +0.6%
2007 1.04 index +0.7%
2008 1.04 index +0.2%
2009 1.04 index +0.2%
2010 1.05 index +0.3%
2011 1.05 index +0.1%
2012 1.05 index +0.2%
2013 1.05 index +0.2%
2014 1.05 index +0.2%
2015 1.05 index -0.4%
2016 1.05 index -0.5%
2017 1.04 index -0.4%
2018 1.04 index -0.2%
2019 1.04 index +0.4%
2020 1.05 index +0.4%
2021 1.06 index +0.8%
2022 1.06 index +0.8%
2023 1.07 index +0.4%
2024 1.07 index +0.2%
2025 1.07 index +0.1%

Sudan compared with similar countries

  • Sudan's 1.07 index is above the median for low income countries, which is 1 index, 1.1× the median. (23 countries reporting)
  • Sudan's 1.07 index is above the median for Sub-Saharan Africa, which is 1.05 index, 1.0× the median. (45 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1980s 0.9645 index 0.9349 index 0.9837 index 9
1990s 0.9893 index 0.9796 index 1 index 10
2000s 1.02 index 1 index 1.04 index 10
2010s 1.05 index 1.04 index 1.05 index 10
2020s 1.06 index 1.05 index 1.07 index 6

Countries ranked near Sudan

  1. 47 Democratic Republic of Congo 1.08 index compare
  2. 48 Vietnam 1.07 index compare
  3. 49 China 1.07 index compare
  4. 51 Brazil 1.07 index compare
  5. 52 Mauritius 1.07 index compare
  6. 53 Colombia 1.06 index compare

See the full ranking of 164 places →

More gender data for Sudan

All data for Sudan →

Frequently asked questions

What is lower secondary school completion rates, adjusted gender parity index in Sudan?
Lower secondary school completion rates, adjusted gender parity index in Sudan was 1.07 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 Sudan?
The highest recorded value was 1.07 index in 2025.
What is the lowest lower secondary school completion rates, adjusted gender parity index recorded in Sudan?
The lowest recorded value was 0.9349 index in 1981.
How does Sudan rank for lower secondary school completion rates, adjusted gender parity index?
Sudan ranks 50th out of 164 countries with data for 2025.
Is lower secondary school completion rates, adjusted gender parity index rising or falling in Sudan?
Over the last ten years it is up 2.1%. The long-run trend across the full record is rising.
Where does this Sudan 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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Lower secondary school completion rates, adjusted gender parity index in Sudan. Statizoid, drawing on UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data. Retrieved 09 November 2026, from https://gender.statizoid.com/stat/lower-secondary-completion-rate-adjusted-gender-parity-index/sudan/

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About this data

Indicator
Lower secondary school completion rates, 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 lower secondary school completion rates between boys and girls. Values below 1 favor boys, and values above 1 favor girls.