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Theoretical duration of lower secondary education in Congo

Congo: Theoretical duration of lower secondary education was 4 years in 2025. ▬ Flat

Latest (2025)
4 years
Change on year
unchanged
World rank
17th
of 215 countries
All-time high
4 years
in 1970
All-time low
4 years
in 1970
Years of data
56
1970–2025

Theoretical duration of lower secondary education in Congo, 1970–2025

01234197019972025

Source: UNESCO Institute for Statistics. Measured in years.

Analysis

In 2025, theoretical duration of lower secondary education in Congo stood at 4 years. That is the highest value across all 56 years on record.

Compared with earlier readings it is unchanged over ten years.

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

Congo ranks 17th of 215 countries on this measure, in the top 10%.

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 6

Countries ranked near Congo

  1. 17 Albania 4 years compare
  2. 17 Andorra 4 years compare
  3. 17 United Arab Emirates 4 years compare
  4. 17 American Samoa 4 years compare
  5. 17 Australia 4 years compare
  6. 17 Austria 4 years compare
  7. 17 Benin 4 years compare
  8. 17 Burkina Faso 4 years compare
  9. 17 Bosnia and Herzegovina 4 years compare
  10. 17 Belize 4 years compare
  11. 17 Brazil 4 years compare
  12. 17 Bhutan 4 years compare
  13. 17 Central African Republic 4 years compare
  14. 17 Côte d'Ivoire 4 years compare
  15. 17 Cameroon 4 years compare
  16. 17 Colombia 4 years compare
  17. 17 Comoros 4 years compare
  18. 17 Curaçao 4 years compare
  19. 17 Czechia 4 years compare
  20. 17 Djibouti 4 years compare
  21. 17 Algeria 4 years compare
  22. 17 Ethiopia 4 years compare
  23. 17 Fiji 4 years compare
  24. 17 France 4 years compare
  25. 17 Gabon 4 years compare
  26. 17 Guinea 4 years compare
  27. 17 Guadeloupe 4 years compare
  28. 17 Equatorial Guinea 4 years compare
  29. 17 French Guiana 4 years compare
  30. 17 Croatia 4 years compare
  31. 17 Hungary 4 years compare
  32. 17 Jordan 4 years compare
  33. 17 Kuwait 4 years compare
  34. 17 Lao People's Democratic Republic 4 years compare
  35. 17 Liechtenstein 4 years compare
  36. 17 Sri Lanka 4 years compare
  37. 17 Monaco 4 years compare
  38. 17 Madagascar 4 years compare
  39. 17 Maldives 4 years compare
  40. 17 North Macedonia 4 years compare
  41. 17 Myanmar 4 years compare
  42. 17 Montenegro 4 years compare
  43. 17 Mongolia 4 years compare
  44. 17 Mauritania 4 years compare
  45. 17 Martinique 4 years compare
  46. 17 Malawi 4 years compare
  47. 17 New Caledonia 4 years compare
  48. 17 Niger 4 years compare
  49. 17 Naoero 4 years compare
  50. 17 New Zealand 4 years compare
  51. 17 Philippines 4 years compare
  52. 17 Papua New Guinea 4 years compare
  53. 17 Poland 4 years compare
  54. 17 French Polynesia 4 years compare
  55. 17 Réunion 4 years compare
  56. 17 Romania 4 years compare
  57. 17 Senegal 4 years compare
  58. 17 Somalia 4 years compare
  59. 17 Saint Pierre and Miquelon 4 years compare
  60. 17 Serbia 4 years compare
  61. 17 Suriname 4 years compare
  62. 17 Chad 4 years compare
  63. 17 Togo 4 years compare
  64. 17 Tonga 4 years compare
  65. 17 Türkiye 4 years compare
  66. 17 Tuvalu 4 years compare
  67. 17 Tanzania, United Republic of 4 years compare
  68. 17 Uganda 4 years compare
  69. 17 Viet Nam 4 years compare
  70. 17 Vanuatu 4 years compare

See the full ranking of 221 places →

More education data for Congo

All data for Congo →

Frequently asked questions

What is theoretical duration of lower secondary education in Congo?
Theoretical duration of lower secondary education in Congo was 4 years in 2025, according to UNESCO Institute for Statistics.
What is the highest theoretical duration of lower secondary education recorded in Congo?
The highest recorded value was 4 years in 1970.
What is the lowest theoretical duration of lower secondary education recorded in Congo?
The lowest recorded value was 4 years in 1970.
How does Congo rank for theoretical duration of lower secondary education?
Congo ranks 17th out of 215 countries with data for 2025.
Is theoretical duration of lower secondary education rising or falling in Congo?
Over the last ten years it is unchanged. The long-run trend across the full record is flat.
Where does this Congo 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 Congo. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 22 August 2026, from https://education.statizoid.com/stat/theoretical-duration-of-lower-secondary-education-years-2/congo-rep/

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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-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
221 places, 11,823 data points, 1970–2025
Last refreshed

February 2026 Data Release