Out-of-school adolescents of lower secondary school age, both sexes in SDG: Landlocked Developing Countries

SDG: Landlocked Developing Countries: Out-of-school adolescents of lower secondary school age, both sexes was 18.42 million in 2025. ▲ Rising

Latest (2025)
18.42 million
Change on year
up 0.8%
Rank
12th
of 39 groups
All-time high
18.42 million
in 2025
All-time low
11.56 million
in 2010
Years of data
26
2000–2025

Out-of-school adolescents of lower secondary school age, both sexes in SDG: Landlocked Developing Countries, 2000–2025

05.0M10.0M15.0M20.0M2000201220252000: 12.1M2001: 12.2M2002: 12.2M2003: 12.2M2004: 12.0M2005: 11.9M2006: 11.8M2007: 11.7M2008: 11.6M2009: 11.6M2010: 11.6M2011: 11.6M2012: 11.6M2013: 11.8M2014: 12.2M2015: 12.8M2016: 13.4M2017: 14.0M2018: 14.6M2019: 15.3M2020: 16.1M2021: 16.2M2022: 17.4M2023: 17.9M2024: 18.3M2025: 18.4M

Source: UNESCO Institute for Statistics.

Analysis

SDG: Landlocked Developing Countries recorded 18.42 million for out-of-school adolescents of lower secondary school age, both sexes in 2025. That is the highest value across all 26 years on record.

That represents a change of up 0.8% on the previous year and up 43.3% over ten years.

Over the whole period, out-of-school adolescents of lower secondary school age, both sexes in SDG: Landlocked Developing Countries peaked at 18.42 million in 2025 and was at its lowest, 11.56 million, in 2010.

That places SDG: Landlocked Developing Countries 12th out of 39 groups with data for 2025, putting it in the middle of the range.

The long-run direction has been consistently rising across the 26 years of available data.

Out-of-school adolescents of lower secondary school age, both sexes in SDG: Landlocked Developing Countries, year by year

Annual values for Out-of-school adolescents of lower secondary school age, both sexes (number) in SDG: Landlocked Developing Countries, 2000 to 2025.
Year Value Change
2000 12.09 million
2001 12.18 million +0.7%
2002 12.22 million +0.3%
2003 12.19 million -0.2%
2004 12.03 million -1.3%
2005 11.87 million -1.3%
2006 11.78 million -0.8%
2007 11.68 million -0.8%
2008 11.62 million -0.5%
2009 11.59 million -0.3%
2010 11.56 million -0.3%
2011 11.56 million +0.0%
2012 11.62 million +0.5%
2013 11.78 million +1.4%
2014 12.16 million +3.2%
2015 12.85 million +5.7%
2016 13.43 million +4.5%
2017 13.96 million +3.9%
2018 14.62 million +4.7%
2019 15.27 million +4.4%
2020 16.05 million +5.1%
2021 16.25 million +1.2%
2022 17.42 million +7.2%
2023 17.90 million +2.8%
2024 18.28 million +2.1%
2025 18.42 million +0.8%

Averages by decade

DecadeAverage LowestHighest Years
2000s 11.93 million 11.59 million 12.22 million 10
2010s 12.88 million 11.56 million 15.27 million 10
2020s 17.39 million 16.05 million 18.42 million 6

Countries ranked near SDG: Landlocked Developing Countries

  1. 9 Philippines 1.23 million compare
  2. 10 Madagascar 1.15 million compare
  3. 11 Chad 1.14 million compare
  4. 12 Senegal 1.12 million compare
  5. 13 Côte d'Ivoire 930,861 compare
  6. 14 Yemen 899,474 compare
  7. 15 Syrian Arab Republic 889,836 compare

See the full ranking of 223 places →

More education data for SDG: Landlocked Developing Countries

All data for SDG: Landlocked Developing Countries →

Frequently asked questions

What is out-of-school adolescents of lower secondary school age, both sexes in SDG: Landlocked Developing Countries?
Out-of-school adolescents of lower secondary school age, both sexes in SDG: Landlocked Developing Countries was 18.42 million in 2025, according to UNESCO Institute for Statistics.
What is the highest out-of-school adolescents of lower secondary school age, both sexes recorded in SDG: Landlocked Developing Countries?
The highest recorded value was 18.42 million in 2025.
What is the lowest out-of-school adolescents of lower secondary school age, both sexes recorded in SDG: Landlocked Developing Countries?
The lowest recorded value was 11.56 million in 2010.
How does SDG: Landlocked Developing Countries rank for out-of-school adolescents of lower secondary school age, both sexes?
SDG: Landlocked Developing Countries ranks 12th out of 39 groups with data for 2025.
Is out-of-school adolescents of lower secondary school age, both sexes rising or falling in SDG: Landlocked Developing Countries?
Over the last ten years it is up 43.3%. The long-run trend across the full record is rising.
Where does this SDG: Landlocked Developing Countries data come from?
The figures come from UNESCO Institute for Statistics, published as part of Out-of-school adolescents of lower secondary school age, both sexes (number). Statizoid updates them automatically from the source API.

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Out-of-school adolescents of lower secondary school age, both sexes in SDG: Landlocked Developing Countries. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 12 September 2026, from https://education.statizoid.com/stat/out-of-school-adolescents-of-lower-secondary-school-age-both-sexes-number-2/sdg-landlocked-developing-countries/

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About this data

Indicator
Out-of-school adolescents of lower secondary school age, both sexes (number)
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
223 places, 4,228 data points, 1970–2025
Last refreshed

February 2026 Data Release