Angola vs Nigeria: Theoretical duration of lower secondary education

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

Theoretical duration of lower secondary education over time

  • Angola
  • Nigeria
012345197019952020

How they compare

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

The two have swapped places 2 times across 51 shared years of data; in 1970 it was Nigeria ahead.

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

Across the 6 decades both report, Angola averaged higher in 2 and Nigeria in 2.

Head to head by decade

Decade Angola Nigeria Difference Ahead
1970s 4 years 5 years 1 years Nigeria
1980s 4 years 4.2 years 0.2 years Nigeria
1990s 4 years 3 years 1 years Angola
2000s 3.7 years 3 years 0.7 years Angola
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, Angola or Nigeria?
Angola, at 3 years against 3 years in Nigeria as of 2020.
What is the difference in theoretical duration of lower secondary education between Angola and Nigeria?
0 years, with Angola ahead.
How many years of comparable data are there for Angola and Nigeria?
51 years are reported by both, from 1970 to 2020.
How do Angola and Nigeria rank globally for theoretical duration of lower secondary education?
Angola 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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Angola vs Nigeria: 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/angola/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.