What is the difference in theoretical duration of upper secondary education between Cayman Islands and Sao Tome and Principe?

0 years, with Cayman Islands ahead.

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

51 years are reported by both, from 1970 to 2020.

Where does this data come from?

UNESCO Institute for Statistics, published as Theoretical duration of upper secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Cayman Islands vs Sao Tome and Principe: Theoretical duration of upper secondary education

Cayman Islands

3 years

in 2020

Sao Tome and Principe

3 years

in 2020

Cayman Islands rank

52nd

Sao Tome and Principe rank

52nd

Theoretical duration of upper secondary education over time

Cayman Islands
Sao Tome and Principe

How they compare

Cayman Islands currently reports 3 years against 3 years in Sao Tome and Principe, a difference of 0 years.

The two have swapped places 4 times across 51 shared years of data; in 1970 it was Sao Tome and Principe ahead.

Cayman Islands ranks 52nd and Sao Tome and Principe ranks 52nd of 209 countries.

Cayman Islands has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Cayman Islands	Sao Tome and Principe	Difference	Ahead
1970s	3 years	3 years	0 years	—
1980s	3 years	2.8 years	0.2 years	Cayman Islands
1990s	3 years	2.1 years	0.9 years	Cayman Islands
2000s	3 years	2.6 years	0.4 years	Cayman Islands
2010s	3 years	2.9 years	0.1 years	Cayman Islands
2020s	3 years	3 years	0 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of upper secondary education, Cayman Islands or Sao Tome and Principe?: Cayman Islands, at 3 years against 3 years in Sao Tome and Principe as of 2020.
What is the difference in theoretical duration of upper secondary education between Cayman Islands and Sao Tome and Principe?: 0 years, with Cayman Islands ahead.
How many years of comparable data are there for Cayman Islands and Sao Tome and Principe?: 51 years are reported by both, from 1970 to 2020.
How do Cayman Islands and Sao Tome and Principe rank globally for theoretical duration of upper secondary education?: Cayman Islands ranks 52nd and Sao Tome and Principe ranks 52nd of 209 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Theoretical duration of upper secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Cayman Islands vs Sao Tome and Principe: Theoretical duration of upper secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 10 September 2026, from https://education.statizoid.com/compare/theoretical-duration-of-upper-secondary-education-years/cayman-islands/sao-tome-and-principe/

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<a href="https://education.statizoid.com/compare/theoretical-duration-of-upper-secondary-education-years/cayman-islands/sao-tome-and-principe/">Cayman Islands vs Sao Tome and Principe: Theoretical duration of upper secondary education</a> — Statizoid

About this data

Indicator: Theoretical duration of upper secondary education (years)
Unit: years
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 209 places, 10,366 data points, 1970–2020
Last refreshed: 04 September 2026

Number of grades (years) in upper secondary education.