School age population, secondary education, both sexes in Sierra Leone

Sierra Leone: School age population, secondary education, both sexes was 1.39 million in 2025. ▲ Rising

Latest (2025)
1.39 million
Change on year
up 1.8%
World rank
82nd
of 220 countries
All-time high
1.39 million
in 2025
All-time low
363,106
in 1970
Years of data
56
1970–2025

School age population, secondary education, both sexes in Sierra Leone, 1970–2025

250.0k500.0k750.0k1.0M1.2M1.5M197019972025

Source: UNESCO Institute for Statistics.

Analysis

Sierra Leone recorded 1.39 million for school age population, secondary education, both sexes in 2025. That is the highest value across all 56 years on record.

Compared with earlier readings it is up 1.8% on the previous year and up 23.2% over ten years.

Over the whole period, school age population, secondary education, both sexes in Sierra Leone peaked at 1.39 million in 2025 and was at its lowest, 363,106, in 1970.

Sierra Leone ranks 82nd of 220 countries on this measure, in the middle of the range.

The long-run direction has been consistently rising across the 56 years of available data.

School age population, secondary education, both sexes in Sierra Leone, year by year

Annual values for School age population, secondary education, both sexes (number) in Sierra Leone, 1970 to 2025.
Year Value Change
1970 363,106
1971 372,806 +2.7%
1972 382,806 +2.7%
1973 393,615 +2.8%
1974 404,490 +2.8%
1975 415,301 +2.7%
1976 426,268 +2.6%
1977 437,183 +2.6%
1978 448,608 +2.6%
1979 460,143 +2.6%
1980 471,823 +2.5%
1981 483,461 +2.5%
1982 494,991 +2.4%
1983 506,742 +2.4%
1984 519,018 +2.4%
1985 531,702 +2.4%
1986 544,848 +2.5%
1987 561,176 +3.0%
1988 578,372 +3.1%
1989 596,036 +3.1%
1990 612,059 +2.7%
1991 649,276 +6.1%
1992 631,538 -2.7%
1993 629,416 -0.3%
1994 711,098 +13.0%
1995 636,943 -10.4%
1996 636,999 +0.0%
1997 646,600 +1.5%
1998 571,634 -11.6%
1999 577,220 +1.0%
2000 581,908 +0.8%
2001 609,036 +4.7%
2002 655,935 +7.7%
2003 685,033 +4.4%
2004 712,903 +4.1%
2005 735,688 +3.2%
2006 756,166 +2.8%
2007 773,186 +2.3%
2008 794,399 +2.7%
2009 818,302 +3.0%
2010 845,719 +3.4%
2011 872,590 +3.2%
2012 899,617 +3.1%
2013 1.06 million +18.3%
2014 1.10 million +3.0%
2015 1.13 million +2.9%
2016 1.16 million +2.7%
2017 1.18 million +2.4%
2018 1.21 million +2.2%
2019 1.24 million +2.1%
2020 1.26 million +2.0%
2021 1.29 million +2.1%
2022 1.31 million +1.9%
2023 1.34 million +1.9%
2024 1.36 million +2.0%
2025 1.39 million +1.8%

Averages by decade

DecadeAverage LowestHighest Years
1970s 410,433 363,106 460,143 10
1980s 528,817 471,823 596,036 10
1990s 630,278 571,634 711,098 10
2000s 712,256 581,908 818,302 10
2010s 1.07 million 845,719 1.24 million 10
2020s 1.33 million 1.26 million 1.39 million 6

Countries ranked near Sierra Leone

  1. 79 Tajikistan 1.55 million compare
  2. 80 Togo 1.53 million compare
  3. 81 Bolivia, Plurinational State of 1.44 million compare
  4. 83 Tunisia 1.34 million compare
  5. 84 Papua New Guinea 1.29 million compare
  6. 85 Azerbaijan 1.18 million compare

See the full ranking of 441 places →

More education data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is school age population, secondary education, both sexes in Sierra Leone?
School age population, secondary education, both sexes in Sierra Leone was 1.39 million in 2025, according to UNESCO Institute for Statistics.
What is the highest school age population, secondary education, both sexes recorded in Sierra Leone?
The highest recorded value was 1.39 million in 2025.
What is the lowest school age population, secondary education, both sexes recorded in Sierra Leone?
The lowest recorded value was 363,106 in 1970.
How does Sierra Leone rank for school age population, secondary education, both sexes?
Sierra Leone ranks 82nd out of 220 countries with data for 2025.
Is school age population, secondary education, both sexes rising or falling in Sierra Leone?
Over the last ten years it is up 23.2%. 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 School age population, secondary education, both sexes (number). Statizoid updates them automatically from the source API.

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School age population, secondary education, both sexes in Sierra Leone. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 29 August 2026, from https://education.statizoid.com/stat/school-age-population-secondary-education-both-sexes-number-2/sierra-leone/

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About this data

Indicator
School age population, secondary education, both sexes (number)
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
441 places, 20,379 data points, 1970–2025
Last refreshed

February 2026 Data Release