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

Zambia: Lower secondary school completion rates, adjusted gender parity index was 1.1 index in 2025. ▲ Rising

Latest (2025)
1.1 index
Change on year
up 0.8%
World rank
40th
of 164 countries
All-time high
1.1 index
in 2025
All-time low
0.5825 index
in 1981
Years of data
45
1981–2025

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

00.250.50.7511981200320251981: 0.582 index1982: 0.59 index1983: 0.597 index1984: 0.607 index1985: 0.622 index1986: 0.632 index1987: 0.64 index1988: 0.652 index1989: 0.667 index1990: 0.683 index1991: 0.695 index1992: 0.706 index1993: 0.719 index1994: 0.736 index1995: 0.757 index1996: 0.772 index1997: 0.788 index1998: 0.803 index1999: 0.825 index2000: 0.838 index2001: 0.842 index2002: 0.842 index2003: 0.851 index2004: 0.861 index2005: 0.868 index2006: 0.868 index2007: 0.873 index2008: 0.88 index2009: 0.895 index2010: 0.908 index2011: 0.931 index2012: 0.956 index2013: 0.981 index2014: 1 index2015: 1 index2016: 1 index2017: 1 index2018: 1 index2019: 1.1 index2020: 1.1 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

In 2025, lower secondary school completion rates, adjusted gender parity index in Zambia stood at 1.1 index. That is the highest value across all 45 years on record.

The figure is up 0.8% on the previous year and up 8.6% over ten years.

Over the whole period, lower secondary school completion rates, adjusted gender parity index in Zambia peaked at 1.1 index in 2025 and was at its lowest, 0.5825 index, in 1981.

Zambia ranks 40th of 164 countries on this measure, in the top 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 Zambia, year by year

Annual values for Lower secondary school completion rates, adjusted gender parity index in Zambia, 1981 to 2025.
Year index Change
1981 0.5825 index —
1982 0.5899 index +1.3%
1983 0.5972 index +1.2%
1984 0.607 index +1.6%
1985 0.622 index +2.5%
1986 0.6324 index +1.7%
1987 0.6404 index +1.3%
1988 0.6521 index +1.8%
1989 0.6673 index +2.3%
1990 0.6827 index +2.3%
1991 0.695 index +1.8%
1992 0.7063 index +1.6%
1993 0.7193 index +1.8%
1994 0.7365 index +2.4%
1995 0.7571 index +2.8%
1996 0.7724 index +2.0%
1997 0.7877 index +2.0%
1998 0.8033 index +2.0%
1999 0.8246 index +2.7%
2000 0.8375 index +1.6%
2001 0.8419 index +0.5%
2002 0.8422 index +0.0%
2003 0.8508 index +1.0%
2004 0.8611 index +1.2%
2005 0.8685 index +0.9%
2006 0.8677 index -0.1%
2007 0.873 index +0.6%
2008 0.8795 index +0.7%
2009 0.8945 index +1.7%
2010 0.9082 index +1.5%
2011 0.9313 index +2.5%
2012 0.9559 index +2.6%
2013 0.9814 index +2.7%
2014 1 index +1.9%
2015 1.01 index +1.2%
2016 1.02 index +0.9%
2017 1.03 index +0.9%
2018 1.04 index +0.9%
2019 1.05 index +1.3%
2020 1.06 index +0.7%
2021 1.07 index +1.2%
2022 1.08 index +0.7%
2023 1.08 index +0.4%
2024 1.09 index +0.6%
2025 1.1 index +0.8%

Zambia compared with similar countries

  • Zambia's 1.1 index is above the median for lower middle income countries, which is 1.09 index, 1.0× the median. (45 countries reporting)
  • Zambia's 1.1 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 0.6212 index 0.5825 index 0.6673 index 9
1990s 0.7485 index 0.6827 index 0.8246 index 10
2000s 0.8617 index 0.8375 index 0.8945 index 10
2010s 0.9932 index 0.9082 index 1.05 index 10
2020s 1.08 index 1.06 index 1.1 index 6

Countries ranked near Zambia

  1. 37 Tonga 1.11 index compare
  2. 38 Dominican Republic 1.11 index compare
  3. 39 Iraq 1.1 index compare
  4. 41 Palestine 1.1 index compare
  5. 42 Vanuatu 1.09 index compare
  6. 43 Panama 1.09 index compare

See the full ranking of 164 places →

More gender data for Zambia

All data for Zambia →

Frequently asked questions

What is lower secondary school completion rates, adjusted gender parity index in Zambia?
Lower secondary school completion rates, adjusted gender parity index in Zambia was 1.1 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 Zambia?
The highest recorded value was 1.1 index in 2025.
What is the lowest lower secondary school completion rates, adjusted gender parity index recorded in Zambia?
The lowest recorded value was 0.5825 index in 1981.
How does Zambia rank for lower secondary school completion rates, adjusted gender parity index?
Zambia ranks 40th out of 164 countries with data for 2025.
Is lower secondary school completion rates, adjusted gender parity index rising or falling in Zambia?
Over the last ten years it is up 8.6%. The long-run trend across the full record is rising.
Where does this Zambia 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 Zambia. 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/zambia/

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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.