Eritrea vs Nigeria: Theoretical duration of lower secondary education

Eritrea
3 years
in 2020
Nigeria
3 years
in 2020
Eritrea rank
81st
Nigeria rank
81st

Theoretical duration of lower secondary education over time

  • Eritrea
  • Nigeria
012345197019952020

How they compare

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

Across all 51 years both countries report, Nigeria has been ahead every year.

Eritrea ranks 81st and Nigeria ranks 81st of 209 countries.

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

Head to head by decade

Decade Eritrea Nigeria Difference Ahead
1970s 2 years 5 years 3 years Nigeria
1980s 2 years 4.2 years 2.2 years Nigeria
1990s 2 years 3 years 1 years Nigeria
2000s 2.6 years 3 years 0.4 years Nigeria
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, Eritrea or Nigeria?
Eritrea, at 3 years against 3 years in Nigeria as of 2020.
What is the difference in theoretical duration of lower secondary education between Eritrea and Nigeria?
0 years, with Eritrea ahead.
How many years of comparable data are there for Eritrea and Nigeria?
51 years are reported by both, from 1970 to 2020.
How do Eritrea and Nigeria rank globally for theoretical duration of lower secondary education?
Eritrea ranks 81st and Nigeria 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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Eritrea vs Nigeria: Theoretical duration of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 30 August 2026, from https://education.statizoid.com/compare/theoretical-duration-of-lower-secondary-education-years/eritrea/nigeria/

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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

Number of grades (years) in lower secondary education.