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Theoretical duration of lower secondary education in Chad

Chad: Theoretical duration of lower secondary education was 4 years in 2020. ▬ Flat

Latest (2020)
4 years
Change on year
unchanged
World rank
18th
of 209 countries
All-time high
4 years
in 1970
All-time low
4 years
in 1970
Years of data
51
1970–2020

Theoretical duration of lower secondary education in Chad, 1970–2020

01234197019952020

Source: UNESCO Institute for Statistics. Measured in years.

Analysis

In 2020, theoretical duration of lower secondary education in Chad stood at 4 years. That is the highest value across all 51 years on record.

Compared with earlier readings it is unchanged over ten years.

Over the whole period, theoretical duration of lower secondary education in Chad peaked at 4 years in 1970 and was at its lowest, 4 years, in 1970.

That places Chad 18th out of 209 countries with data for 2020, putting it in the top 10%.

Theoretical duration of lower secondary education in Chad, year by year

Year years Change
1970 4 years —
1971 4 years +0.0%
1972 4 years +0.0%
1973 4 years +0.0%
1974 4 years +0.0%
1975 4 years +0.0%
1976 4 years +0.0%
1977 4 years +0.0%
1978 4 years +0.0%
1979 4 years +0.0%
1980 4 years +0.0%
1981 4 years +0.0%
1982 4 years +0.0%
1983 4 years +0.0%
1984 4 years +0.0%
1985 4 years +0.0%
1986 4 years +0.0%
1987 4 years +0.0%
1988 4 years +0.0%
1989 4 years +0.0%
1990 4 years +0.0%
1991 4 years +0.0%
1992 4 years +0.0%
1993 4 years +0.0%
1994 4 years +0.0%
1995 4 years +0.0%
1996 4 years +0.0%
1997 4 years +0.0%
1998 4 years +0.0%
1999 4 years +0.0%
2000 4 years +0.0%
2001 4 years +0.0%
2002 4 years +0.0%
2003 4 years +0.0%
2004 4 years +0.0%
2005 4 years +0.0%
2006 4 years +0.0%
2007 4 years +0.0%
2008 4 years +0.0%
2009 4 years +0.0%
2010 4 years +0.0%
2011 4 years +0.0%
2012 4 years +0.0%
2013 4 years +0.0%
2014 4 years +0.0%
2015 4 years +0.0%
2016 4 years +0.0%
2017 4 years +0.0%
2018 4 years +0.0%
2019 4 years +0.0%
2020 4 years +0.0%

Averages by decade

DecadeAverage LowestHighest Years
1970s 4 years 4 years 4 years 10
1980s 4 years 4 years 4 years 10
1990s 4 years 4 years 4 years 10
2000s 4 years 4 years 4 years 10
2010s 4 years 4 years 4 years 10
2020s 4 years 4 years 4 years 1

Countries ranked near Chad

  1. 18 Albania 4 years compare
  2. 18 Algeria 4 years compare
  3. 18 American Samoa 4 years compare
  4. 18 Andorra 4 years compare
  5. 18 Australia 4 years compare
  6. 18 Austria 4 years compare
  7. 18 Belize 4 years compare
  8. 18 Benin 4 years compare
  9. 18 Bhutan 4 years compare
  10. 18 Bosnia and Herzegovina 4 years compare
  11. 18 Brazil 4 years compare
  12. 18 Bulgaria 4 years compare
  13. 18 Burkina Faso 4 years compare
  14. 18 Burundi 4 years compare
  15. 18 Cameroon 4 years compare
  16. 18 Central African Republic 4 years compare
  17. 18 Colombia 4 years compare
  18. 18 Comoros 4 years compare
  19. 18 Congo 4 years compare
  20. 18 Côte d'Ivoire 4 years compare
  21. 18 Croatia 4 years compare
  22. 18 Czechia 4 years compare
  23. 18 Djibouti 4 years compare
  24. 18 Equatorial Guinea 4 years compare
  25. 18 Ethiopia 4 years compare
  26. 18 Fiji 4 years compare
  27. 18 France 4 years compare
  28. 18 French Polynesia 4 years compare
  29. 18 Gabon 4 years compare
  30. 18 Guinea 4 years compare
  31. 18 Hungary 4 years compare
  32. 18 Jordan 4 years compare
  33. 18 Kuwait 4 years compare
  34. 18 Lao People's Democratic Republic 4 years compare
  35. 18 Liechtenstein 4 years compare
  36. 18 Madagascar 4 years compare
  37. 18 Malawi 4 years compare
  38. 18 Marshall Islands 4 years compare
  39. 18 Mauritania 4 years compare
  40. 18 Monaco 4 years compare
  41. 18 Mongolia 4 years compare
  42. 18 Montenegro 4 years compare
  43. 18 Myanmar 4 years compare
  44. 18 Naoero 4 years compare
  45. 18 New Caledonia 4 years compare
  46. 18 New Zealand 4 years compare
  47. 18 Niger 4 years compare
  48. 18 North Macedonia 4 years compare
  49. 18 Philippines 4 years compare
  50. 18 Romania 4 years compare
  51. 18 Senegal 4 years compare
  52. 18 Serbia 4 years compare
  53. 18 Sri Lanka 4 years compare
  54. 18 Suriname 4 years compare
  55. 18 Tanzania, United Republic of 4 years compare
  56. 18 Togo 4 years compare
  57. 18 Türkiye 4 years compare
  58. 18 Tuvalu 4 years compare
  59. 18 Uganda 4 years compare
  60. 18 United Arab Emirates 4 years compare
  61. 18 Vanuatu 4 years compare
  62. 18 Viet Nam 4 years compare

See the full ranking of 209 places →

More education data for Chad

All data for Chad →

Frequently asked questions

What is theoretical duration of lower secondary education in Chad?
Theoretical duration of lower secondary education in Chad was 4 years in 2020, according to UNESCO Institute for Statistics.
What is the highest theoretical duration of lower secondary education recorded in Chad?
The highest recorded value was 4 years in 1970.
What is the lowest theoretical duration of lower secondary education recorded in Chad?
The lowest recorded value was 4 years in 1970.
How does Chad rank for theoretical duration of lower secondary education?
Chad ranks 18th out of 209 countries with data for 2020.
Is theoretical duration of lower secondary education rising or falling in Chad?
Over the last ten years it is unchanged. The long-run trend across the full record is flat.
Where does this Chad data come from?
The figures come from UNESCO Institute for Statistics, published as part of Theoretical duration of lower secondary education (years). Statizoid updates them automatically from the source API.

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Theoretical duration of lower secondary education in Chad. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 24 August 2026, from https://education.statizoid.com/stat/theoretical-duration-of-lower-secondary-education-years/chad/

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About this data

Indicator
Theoretical duration of lower secondary education (years)
Unit
years
Source
UNESCO Institute for Statistics
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
209 places, 10,366 data points, 1970–2020
Last refreshed

Number of grades (years) in lower secondary education.