Mali vs Sao Tome and Principe: Theoretical duration of secondary education

Mali
6 years
in 2025
Sao Tome and Principe
6 years
in 2025
Mali rank
99th
Sao Tome and Principe rank
99th

Theoretical duration of secondary education over time

  • Mali
  • Sao Tome and Principe
02468197019972025

How they compare

Mali currently reports 6 years against 6 years in Sao Tome and Principe, a difference of 0 years.

The two have swapped places 2 times across 56 shared years of data; in 1970 it was Sao Tome and Principe ahead.

Mali ranks 99th and Sao Tome and Principe ranks 99th of 221 countries.

Across the 6 decades both report, Mali averaged higher in 2 and Sao Tome and Principe in 3.

Head to head by decade

Decade Mali Sao Tome and Principe Difference Ahead
1970s 6 years 7 years 1 years Sao Tome and Principe
1980s 6 years 7 years 1 years Sao Tome and Principe
1990s 6 years 6.8 years 0.8 years Sao Tome and Principe
2000s 6 years 5 years 1 years Mali
2010s 6 years 5.9 years 0.1 years Mali
2020s 6 years 6 years 0 years

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of secondary education, Mali or Sao Tome and Principe?
Mali, at 6 years against 6 years in Sao Tome and Principe as of 2025.
What is the difference in theoretical duration of secondary education between Mali and Sao Tome and Principe?
0 years, with Mali ahead.
How many years of comparable data are there for Mali and Sao Tome and Principe?
56 years are reported by both, from 1970 to 2025.
How do Mali and Sao Tome and Principe rank globally for theoretical duration of secondary education?
Mali ranks 99th and Sao Tome and Principe ranks 99th of 221 countries.
Where does this data come from?
UNESCO Institute for Statistics, published as Theoretical duration of secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Mali vs Sao Tome and Principe: Theoretical duration of secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 06 September 2026, from https://education.statizoid.com/compare/theoretical-duration-of-secondary-education-years/mali/sao-tome-and-principe/

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About this data

Indicator
Theoretical duration of 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