Which has higher secondary education, duration, Denmark or Sao Tome and Principe?

Denmark, at 6 years against 6 years in Sao Tome and Principe as of 2025.

How many years of comparable data are there for Denmark and Sao Tome and Principe?

56 years are reported by both, from 1970 to 2025.

Where does this data come from?

Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Secondary education, duration (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Denmark vs Sao Tome and Principe: Secondary education, duration

Denmark

6 years

in 2025

Sao Tome and Principe

6 years

in 2025

Denmark rank

91st

Sao Tome and Principe rank

91st

Secondary education, duration over time

Denmark
Sao Tome and Principe

How they compare

Denmark 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.

Denmark ranks 91st and Sao Tome and Principe ranks 91st of 209 countries.

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

Head to head by decade

Decade	Denmark	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	Denmark
2010s	6 years	5.9 years	0.1 years	Denmark
2020s	6 years	6 years	0 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher secondary education, duration, Denmark or Sao Tome and Principe?: Denmark, at 6 years against 6 years in Sao Tome and Principe as of 2025.
What is the difference in secondary education, duration between Denmark and Sao Tome and Principe?: 0 years, with Denmark ahead.
How many years of comparable data are there for Denmark and Sao Tome and Principe?: 56 years are reported by both, from 1970 to 2025.
How do Denmark and Sao Tome and Principe rank globally for secondary education, duration?: Denmark ranks 91st and Sao Tome and Principe ranks 91st of 209 countries.
Where does this data come from?: Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Secondary education, duration (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Denmark vs Sao Tome and Principe: Secondary education, duration. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 27 August 2026, from https://education.statizoid.com/compare/secondary-education-duration-years/denmark/sao-tome-and-principe/

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About this data

Indicator: Secondary education, duration (years)
Unit: years
Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 255 places, 13,986 data points, 1970–2025
Last refreshed: 20 August 2026

Secondary duration refers to the number of grades (years) in secondary school.