Theoretical duration of lower secondary education (years) in Sudan

Sudan: Theoretical duration of lower secondary education (years) was 3 years in 2025. ▲ Rising

Latest (2025)
3 years
Change on year
unchanged
World rank
91st
of 221 countries
All-time high
3 years
in 2020
All-time low
2 years
in 1998
Years of data
28
1998–2025

Theoretical duration of lower secondary education in Sudan, 1998–2025

01231998201120251998: 2 years1999: 2 years2000: 2 years2001: 2 years2002: 2 years2003: 2 years2004: 2 years2005: 2 years2006: 2 years2007: 2 years2008: 2 years2009: 2 years2010: 2 years2011: 2 years2012: 2 years2013: 2 years2014: 2 years2015: 2 years2016: 2 years2017: 2 years2018: 2 years2019: 2 years2020: 3 years2021: 3 years2022: 3 years2023: 3 years2024: 3 years2025: 3 years

Source: UNESCO Institute for Statistics. Measured in years.

Analysis

Sudan recorded 3 years for theoretical duration of lower secondary education in 2025. That is the highest value across all 28 years on record.

That represents a change of up 50.0% over ten years.

Over the whole period, theoretical duration of lower secondary education in Sudan peaked at 3 years in 2020 and was at its lowest, 2 years, in 1998.

Sudan ranks 91st of 221 countries on this measure, in the middle of the range.

The long-run direction has been consistently rising across the 28 years of available data.

Theoretical duration of lower secondary education (years) in Sudan, year by year

Annual values for Theoretical duration of lower secondary education (years) in Sudan, 1998 to 2025.
Year years Change
1998 2 years —
1999 2 years +0.0%
2000 2 years +0.0%
2001 2 years +0.0%
2002 2 years +0.0%
2003 2 years +0.0%
2004 2 years +0.0%
2005 2 years +0.0%
2006 2 years +0.0%
2007 2 years +0.0%
2008 2 years +0.0%
2009 2 years +0.0%
2010 2 years +0.0%
2011 2 years +0.0%
2012 2 years +0.0%
2013 2 years +0.0%
2014 2 years +0.0%
2015 2 years +0.0%
2016 2 years +0.0%
2017 2 years +0.0%
2018 2 years +0.0%
2019 2 years +0.0%
2020 3 years +50.0%
2021 3 years +0.0%
2022 3 years +0.0%
2023 3 years +0.0%
2024 3 years +0.0%
2025 3 years +0.0%

Sudan compared with similar countries

  • Sudan's 3 years is above the median for low income countries, which is 3 years, 1.0× the median. (25 countries reporting)
  • Sudan's 3 years is above the median for Sub-Saharan Africa, which is 3 years, 1.0× the median. (48 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1990s 2 years 2 years 2 years 2
2000s 2 years 2 years 2 years 10
2010s 2 years 2 years 2 years 10
2020s 3 years 3 years 3 years 6

Countries ranked near Sudan

  1. 91 Afghanistan 3 years compare
  2. 91 Angola 3 years compare
  3. 91 Anguilla 3 years compare
  4. 91 Argentina 3 years compare
  5. 91 Antigua and Barbuda 3 years compare
  6. 91 Burundi 3 years compare
  7. 91 Bangladesh 3 years compare
  8. 91 Bulgaria 3 years compare
  9. 91 Bahrain 3 years compare
  10. 91 Bahamas 3 years compare
  11. 91 Bermuda 3 years compare
  12. 91 Barbados 3 years compare
  13. 91 Botswana 3 years compare
  14. 91 Canada 3 years compare
  15. 91 Switzerland 3 years compare
  16. 91 China 3 years compare
  17. 91 Cape Verde 3 years compare
  18. 91 Costa Rica 3 years compare
  19. 91 Cuba 3 years compare
  20. 91 Cayman Islands 3 years compare
  21. 91 Cyprus 3 years compare
  22. 91 Dominica 3 years compare
  23. 91 Denmark 3 years compare
  24. 91 Dominican Republic 3 years compare
  25. 91 Ecuador 3 years compare
  26. 91 Egypt 3 years compare
  27. 91 Eritrea 3 years compare
  28. 91 Western Sahara 3 years compare
  29. 91 Spain 3 years compare
  30. 91 Estonia 3 years compare
  31. 91 Finland 3 years compare
  32. 91 United Kingdom 3 years compare
  33. 91 Georgia 3 years compare
  34. 91 Ghana 3 years compare
  35. 91 Gibraltar 3 years compare
  36. 91 Gambia 3 years compare
  37. 91 Guinea-Bissau 3 years compare
  38. 91 Greece 3 years compare
  39. 91 Grenada 3 years compare
  40. 91 Guatemala 3 years compare
  41. 91 Guyana 3 years compare
  42. 91 Hong Kong 3 years compare
  43. 91 Honduras 3 years compare
  44. 91 Haiti 3 years compare
  45. 91 Indonesia 3 years compare
  46. 91 India 3 years compare
  47. 91 Ireland 3 years compare
  48. 91 Iran 3 years compare
  49. 91 Iraq 3 years compare
  50. 91 Iceland 3 years compare
  51. 91 Israel 3 years compare
  52. 91 Italy 3 years compare
  53. 91 Jamaica 3 years compare
  54. 91 Japan 3 years compare
  55. 91 Cambodia 3 years compare
  56. 91 Kiribati 3 years compare
  57. 91 Saint Kitts and Nevis 3 years compare
  58. 91 South Korea 3 years compare
  59. 91 Lebanon 3 years compare
  60. 91 Liberia 3 years compare
  61. 91 Libya 3 years compare
  62. 91 Saint Lucia 3 years compare
  63. 91 Lesotho 3 years compare
  64. 91 Luxembourg 3 years compare
  65. 91 Latvia 3 years compare
  66. 91 Macao 3 years compare
  67. 91 Morocco 3 years compare
  68. 91 Mexico 3 years compare
  69. 91 Mali 3 years compare
  70. 91 Malta 3 years compare
  71. 91 Mozambique 3 years compare
  72. 91 Montserrat 3 years compare
  73. 91 Mauritius 3 years compare
  74. 91 Malaysia 3 years compare
  75. 91 Namibia 3 years compare
  76. 91 Nigeria 3 years compare
  77. 91 Nicaragua 3 years compare
  78. 91 Netherlands 3 years compare
  79. 91 Norway 3 years compare
  80. 91 Nepal 3 years compare
  81. 91 Pakistan 3 years compare
  82. 91 Panama 3 years compare
  83. 91 Peru 3 years compare
  84. 91 Puerto Rico 3 years compare
  85. 91 North Korea 3 years compare
  86. 91 Portugal 3 years compare
  87. 91 Paraguay 3 years compare
  88. 91 Qatar 3 years compare
  89. 91 Rwanda 3 years compare
  90. 91 Saudi Arabia 3 years compare
  91. 91 Saint Helena 3 years compare
  92. 91 Solomon Islands 3 years compare
  93. 91 Sierra Leone 3 years compare
  94. 91 El Salvador 3 years compare
  95. 91 San Marino 3 years compare
  96. 91 Sao Tome and Principe 3 years compare
  97. 91 Slovenia 3 years compare
  98. 91 Sweden 3 years compare
  99. 91 Eswatini 3 years compare
  100. 91 Seychelles 3 years compare
  101. 91 Syria 3 years compare
  102. 91 Turks and Caicos Islands 3 years compare
  103. 91 Thailand 3 years compare
  104. 91 East Timor 3 years compare
  105. 91 Trinidad and Tobago 3 years compare
  106. 91 Tunisia 3 years compare
  107. 91 Uruguay 3 years compare
  108. 91 United States 3 years compare
  109. 91 Saint Vincent and the Grenadines 3 years compare
  110. 91 Venezuela 3 years compare
  111. 91 British Virgin Islands 3 years compare
  112. 91 United States Virgin Islands 3 years compare
  113. 91 Yemen 3 years compare

See the full ranking of 221 places →

More education data for Sudan

All data for Sudan →

Frequently asked questions

What is theoretical duration of lower secondary education in Sudan?
Theoretical duration of lower secondary education in Sudan was 3 years in 2025, according to UNESCO Institute for Statistics.
What is the highest theoretical duration of lower secondary education recorded in Sudan?
The highest recorded value was 3 years in 2020.
What is the lowest theoretical duration of lower secondary education recorded in Sudan?
The lowest recorded value was 2 years in 1998.
How does Sudan rank for theoretical duration of lower secondary education?
Sudan ranks 91st out of 221 countries with data for 2025.
Is theoretical duration of lower secondary education rising or falling in Sudan?
Over the last ten years it is up 50.0%. The long-run trend across the full record is rising.
Where does this Sudan 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 Sudan. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 24 October 2026, from https://education.statizoid.com/stat/theoretical-duration-of-lower-secondary-education-years-2/sudan/

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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