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

Sierra Leone: School age population, lower secondary education, both sexes was 618,066 in 2025. ▲ Rising

Latest (2025)
618,066
Change on year
up 1.4%
World rank
89th
of 220 countries
All-time high
618,066
in 2025
All-time low
267,715
in 1970
Years of data
56
1970–2025

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

0200.0k400.0k600.0k197019972025

Source: UNESCO Institute for Statistics.

Analysis

In 2025, school age population, lower secondary education, both sexes in Sierra Leone stood at 618,066. That is the highest value across all 56 years on record.

The figure is up 1.4% on the previous year and up 20.6% over ten years.

Over the whole period, school age population, lower secondary education, both sexes in Sierra Leone peaked at 618,066 in 2025 and was at its lowest, 267,715, in 1970.

Sierra Leone ranks 89th 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, lower secondary education, both sexes in Sierra Leone, year by year

Annual values for School age population, lower secondary education, both sexes (number) in Sierra Leone, 1970 to 2025.
Year Value Change
1970 267,715
1971 275,546 +2.9%
1972 283,046 +2.7%
1973 290,838 +2.8%
1974 298,812 +2.7%
1975 306,796 +2.7%
1976 315,003 +2.7%
1977 323,135 +2.6%
1978 331,424 +2.6%
1979 339,633 +2.5%
1980 348,071 +2.5%
1981 356,335 +2.4%
1982 364,431 +2.3%
1983 372,997 +2.4%
1984 381,979 +2.4%
1985 391,048 +2.4%
1986 400,795 +2.5%
1987 413,283 +3.1%
1988 426,200 +3.1%
1989 439,380 +3.1%
1990 451,403 +2.7%
1991 479,014 +6.1%
1992 465,409 -2.8%
1993 463,449 -0.4%
1994 465,313 +0.4%
1995 469,209 +0.8%
1996 469,004 -0.0%
1997 476,154 +1.5%
1998 299,670 -37.1%
1999 302,650 +1.0%
2000 305,062 +0.8%
2001 319,059 +4.6%
2002 343,043 +7.5%
2003 357,718 +4.3%
2004 372,223 +4.1%
2005 384,833 +3.4%
2006 396,501 +3.0%
2007 405,802 +2.3%
2008 416,419 +2.6%
2009 428,479 +2.9%
2010 443,085 +3.4%
2011 458,357 +3.4%
2012 472,901 +3.2%
2013 486,501 +2.9%
2014 499,630 +2.7%
2015 512,595 +2.6%
2016 524,166 +2.3%
2017 533,202 +1.7%
2018 540,984 +1.5%
2019 550,792 +1.8%
2020 563,235 +2.3%
2021 576,942 +2.4%
2022 588,737 +2.0%
2023 599,535 +1.8%
2024 609,274 +1.6%
2025 618,066 +1.4%

Averages by decade

DecadeAverage LowestHighest Years
1970s 303,195 267,715 339,633 10
1980s 389,452 348,071 439,380 10
1990s 434,128 299,670 479,014 10
2000s 372,914 305,062 428,479 10
2010s 502,221 443,085 550,792 10
2020s 592,632 563,235 618,066 6

Countries ranked near Sierra Leone

  1. 86 Congo 643,210 compare
  2. 87 Honduras 641,507 compare
  3. 88 Central African Republic 621,024 compare
  4. 90 Tunisia 613,700 compare
  5. 91 Lao People's Democratic Republic 605,074 compare
  6. 92 Netherlands 582,734 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, lower secondary education, both sexes in Sierra Leone?
School age population, lower secondary education, both sexes in Sierra Leone was 618,066 in 2025, according to UNESCO Institute for Statistics.
What is the highest school age population, lower secondary education, both sexes recorded in Sierra Leone?
The highest recorded value was 618,066 in 2025.
What is the lowest school age population, lower secondary education, both sexes recorded in Sierra Leone?
The lowest recorded value was 267,715 in 1970.
How does Sierra Leone rank for school age population, lower secondary education, both sexes?
Sierra Leone ranks 89th out of 220 countries with data for 2025.
Is school age population, lower secondary education, both sexes rising or falling in Sierra Leone?
Over the last ten years it is up 20.6%. 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, lower secondary education, both sexes (number). Statizoid updates them automatically from the source API.

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School age population, lower secondary education, both sexes in Sierra Leone. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 30 August 2026, from https://education.statizoid.com/stat/school-age-population-lower-secondary-education-both-sexes-number-2/sierra-leone/

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About this data

Indicator
School age population, lower secondary education, both sexes (number)
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
441 places, 20,444 data points, 1970–2025
Last refreshed

February 2026 Data Release