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

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

What is the difference in secondary education, duration between American Samoa and Sao Tome and Principe?

0 years, with American Samoa ahead.

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

20 years are reported by both, from 1989 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.

American Samoa vs Sao Tome and Principe: Secondary education, duration

American Samoa

6 years

in 2025

Sao Tome and Principe

6 years

in 2025

American Samoa rank

91st

Sao Tome and Principe rank

91st

Secondary education, duration over time

American Samoa
Sao Tome and Principe

How they compare

American Samoa 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 20 shared years of data; in 1989 it was Sao Tome and Principe ahead.

American Samoa ranks 91st and Sao Tome and Principe ranks 91st of 209 countries.

Sao Tome and Principe has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	American Samoa	Sao Tome and Principe	Difference	Ahead
1980s	4 years	7 years	3 years	Sao Tome and Principe
1990s	4.4 years	6.8 years	2.4 years	Sao Tome and Principe
2010s	6 years	6 years	0 years	—
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, American Samoa or Sao Tome and Principe?: American Samoa, at 6 years against 6 years in Sao Tome and Principe as of 2025.
What is the difference in secondary education, duration between American Samoa and Sao Tome and Principe?: 0 years, with American Samoa ahead.
How many years of comparable data are there for American Samoa and Sao Tome and Principe?: 20 years are reported by both, from 1989 to 2025.
How do American Samoa and Sao Tome and Principe rank globally for secondary education, duration?: American Samoa 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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American Samoa vs Sao Tome and Principe: Secondary education, duration. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 30 August 2026, from https://education.statizoid.com/compare/secondary-education-duration-years/american-samoa/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.