Completion rate, lower secondary education, adjusted gender parity in Sierra Leone

Sierra Leone: Completion rate, lower secondary education, adjusted gender parity was 1 modelled data in 2025. ▲ Rising

Latest (2025)
1 modelled data
Change on year
up 1.2%
World rank
116th
of 164 countries
All-time high
1 modelled data
in 2025
All-time low
0.4574 modelled data
in 1981
Years of data
45
1981–2025

Completion rate, lower secondary education, adjusted gender parity in Sierra Leone, 1981–2025

00.250.50.7511981200320251981: 0.457 modelled data1982: 0.46 modelled data1983: 0.467 modelled data1984: 0.483 modelled data1985: 0.491 modelled data1986: 0.506 modelled data1987: 0.524 modelled data1988: 0.552 modelled data1989: 0.578 modelled data1990: 0.604 modelled data1991: 0.626 modelled data1992: 0.642 modelled data1993: 0.651 modelled data1994: 0.647 modelled data1995: 0.637 modelled data1996: 0.62 modelled data1997: 0.6 modelled data1998: 0.581 modelled data1999: 0.567 modelled data2000: 0.557 modelled data2001: 0.552 modelled data2002: 0.55 modelled data2003: 0.552 modelled data2004: 0.558 modelled data2005: 0.575 modelled data2006: 0.601 modelled data2007: 0.638 modelled data2008: 0.679 modelled data2009: 0.727 modelled data2010: 0.774 modelled data2011: 0.817 modelled data2012: 0.857 modelled data2013: 0.901 modelled data2014: 0.941 modelled data2015: 0.965 modelled data2016: 0.979 modelled data2017: 0.981 modelled data2018: 0.977 modelled data2019: 0.971 modelled data2020: 0.973 modelled data2021: 0.973 modelled data2022: 0.976 modelled data2023: 0.983 modelled data2024: 0.991 modelled data2025: 1 modelled data

Source: UNESCO Institute for Statistics. Measured in modelled data.

Analysis

Sierra Leone recorded 1 modelled data for completion rate, lower secondary education, adjusted gender parity in 2025. That is the highest value across all 45 years on record.

That represents a change of up 1.2% on the previous year and up 4.0% over ten years.

Over the whole period, completion rate, lower secondary education, adjusted gender parity in Sierra Leone peaked at 1 modelled data in 2025 and was at its lowest, 0.4574 modelled data, in 1981.

Sierra Leone ranks 116th of 164 countries on this measure, in the middle of the range.

The long-run direction has been consistently rising across the 45 years of available data.

Completion rate, lower secondary education, adjusted gender parity in Sierra Leone, year by year

Annual values for Completion rate, lower secondary education, adjusted gender parity index (GPIA) (modelled data) in Sierra Leone, 1981 to 2025.
Year modelled data Change
1981 0.4574 modelled data
1982 0.4596 modelled data +0.5%
1983 0.4675 modelled data +1.7%
1984 0.4826 modelled data +3.2%
1985 0.4907 modelled data +1.7%
1986 0.5063 modelled data +3.2%
1987 0.5245 modelled data +3.6%
1988 0.5521 modelled data +5.3%
1989 0.5784 modelled data +4.8%
1990 0.6043 modelled data +4.5%
1991 0.6258 modelled data +3.6%
1992 0.6417 modelled data +2.5%
1993 0.6507 modelled data +1.4%
1994 0.6468 modelled data -0.6%
1995 0.637 modelled data -1.5%
1996 0.6202 modelled data -2.6%
1997 0.6001 modelled data -3.2%
1998 0.5814 modelled data -3.1%
1999 0.5666 modelled data -2.5%
2000 0.5573 modelled data -1.6%
2001 0.5516 modelled data -1.0%
2002 0.55 modelled data -0.3%
2003 0.5519 modelled data +0.3%
2004 0.558 modelled data +1.1%
2005 0.5747 modelled data +3.0%
2006 0.601 modelled data +4.6%
2007 0.6376 modelled data +6.1%
2008 0.6795 modelled data +6.6%
2009 0.7267 modelled data +6.9%
2010 0.7739 modelled data +6.5%
2011 0.8175 modelled data +5.6%
2012 0.8572 modelled data +4.9%
2013 0.9014 modelled data +5.2%
2014 0.9411 modelled data +4.4%
2015 0.9649 modelled data +2.5%
2016 0.9791 modelled data +1.5%
2017 0.9807 modelled data +0.2%
2018 0.9771 modelled data -0.4%
2019 0.971 modelled data -0.6%
2020 0.9729 modelled data +0.2%
2021 0.9726 modelled data -0.0%
2022 0.9764 modelled data +0.4%
2023 0.9834 modelled data +0.7%
2024 0.9911 modelled data +0.8%
2025 1 modelled data +1.2%

Averages by decade

DecadeAverage LowestHighest Years
1980s 0.5021 modelled data 0.4574 modelled data 0.5784 modelled data 9
1990s 0.6175 modelled data 0.5666 modelled data 0.6507 modelled data 10
2000s 0.5988 modelled data 0.55 modelled data 0.7267 modelled data 10
2010s 0.9164 modelled data 0.7739 modelled data 0.9807 modelled data 10
2020s 0.9833 modelled data 0.9726 modelled data 1 modelled data 6

Countries ranked near Sierra Leone

  1. 113 Austria 1 modelled data compare
  2. 114 Italy 1 modelled data compare
  3. 115 Sweden 1 modelled data compare
  4. 117 Croatia 1 modelled data compare
  5. 118 United States of America 1 modelled data compare
  6. 119 Romania 1 modelled data compare

See the full ranking of 164 places →

More education data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is completion rate, lower secondary education, adjusted gender parity in Sierra Leone?
Completion rate, lower secondary education, adjusted gender parity in Sierra Leone was 1 modelled data in 2025, according to UNESCO Institute for Statistics.
What is the highest completion rate, lower secondary education, adjusted gender parity recorded in Sierra Leone?
The highest recorded value was 1 modelled data in 2025.
What is the lowest completion rate, lower secondary education, adjusted gender parity recorded in Sierra Leone?
The lowest recorded value was 0.4574 modelled data in 1981.
How does Sierra Leone rank for completion rate, lower secondary education, adjusted gender parity?
Sierra Leone ranks 116th out of 164 countries with data for 2025.
Is completion rate, lower secondary education, adjusted gender parity rising or falling in Sierra Leone?
Over the last ten years it is up 4.0%. The long-run trend across the full record is rising.
Where does this Sierra Leone data come from?
The figures come from UNESCO Institute for Statistics, published as part of Completion rate, lower secondary education, adjusted gender parity index (GPIA) (modelled data). Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 45 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).

Share, cite or embed this page

Cite this page

Completion rate, lower secondary education, adjusted gender parity in Sierra Leone. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 23 August 2026, from https://education.statizoid.com/stat/completion-rate-lower-secondary-education-adjusted-gender-parity-index-gpia-modelled-data/sierra-leone/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics); please keep the attribution.

<a href="https://education.statizoid.com/stat/completion-rate-lower-secondary-education-adjusted-gender-parity-index-gpia-modelled-data/sierra-leone/">Completion rate, lower secondary education, adjusted gender parity in Sierra Leone</a> — Statizoid

About this data

Indicator
Completion rate, lower secondary education, adjusted gender parity index (GPIA) (modelled data)
Unit
modelled data
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
164 places, 7,240 data points, 1981–2025
Last refreshed

February 2026 Data Release