What is the difference in theoretical duration of lower secondary education between Cayman Islands and Eritrea?

0 years, with Cayman Islands ahead.

How many years of comparable data are there for Cayman Islands and Eritrea?

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 lower secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Cayman Islands vs Eritrea: Theoretical duration of lower secondary education

Cayman Islands

3 years

in 2020

Eritrea

3 years

in 2020

Cayman Islands rank

81st

Eritrea rank

81st

Theoretical duration of lower secondary education over time

Cayman Islands
Eritrea

How they compare

Cayman Islands currently reports 3 years against 3 years in Eritrea, a difference of 0 years.

The two have swapped places 1 time across 51 shared years of data; in 1970 it was Cayman Islands ahead.

Cayman Islands ranks 81st and Eritrea ranks 81st 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	Eritrea	Difference	Ahead
1970s	3 years	2 years	1 years	Cayman Islands
1980s	3 years	2 years	1 years	Cayman Islands
1990s	3 years	2 years	1 years	Cayman Islands
2000s	3 years	2.6 years	0.4 years	Cayman Islands
2010s	3 years	3 years	0 years	—
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 lower secondary education, Cayman Islands or Eritrea?: Cayman Islands, at 3 years against 3 years in Eritrea as of 2020.
What is the difference in theoretical duration of lower secondary education between Cayman Islands and Eritrea?: 0 years, with Cayman Islands ahead.
How many years of comparable data are there for Cayman Islands and Eritrea?: 51 years are reported by both, from 1970 to 2020.
How do Cayman Islands and Eritrea rank globally for theoretical duration of lower secondary education?: Cayman Islands ranks 81st and Eritrea ranks 81st of 209 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Theoretical duration of lower 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 Eritrea: Theoretical duration of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 01 September 2026, from https://education.statizoid.com/compare/theoretical-duration-of-lower-secondary-education-years/cayman-islands/eritrea/

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<a href="https://education.statizoid.com/compare/theoretical-duration-of-lower-secondary-education-years/cayman-islands/eritrea/">Cayman Islands vs Eritrea: Theoretical duration of lower secondary education</a> — Statizoid

About this data

Indicator: Theoretical duration of lower 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: 21 August 2026

Number of grades (years) in lower secondary education.