Armenia vs Tonga: Theoretical duration of lower secondary education

Armenia
5 years
in 2020
Tonga
5 years
in 2020
Armenia rank
5th
Tonga rank
5th

Theoretical duration of lower secondary education over time

  • Armenia
  • Tonga
012345197019952020

How they compare

Armenia currently reports 5 years against 5 years in Tonga, a difference of 0 years.

The two have swapped places 3 times across 51 shared years of data; in 1970 it was Armenia ahead.

Armenia ranks 5th and Tonga ranks 5th of 209 countries.

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

Head to head by decade

Decade Armenia Tonga Difference Ahead
1970s 5 years 4 years 1 years Armenia
1980s 5 years 4 years 1 years Armenia
1990s 4.6 years 4 years 0.6 years Armenia
2000s 5 years 4 years 1 years Armenia
2010s 5 years 4.8 years 0.2 years Armenia
2020s 5 years 5 years 0 years

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of lower secondary education, Armenia or Tonga?
Armenia, at 5 years against 5 years in Tonga as of 2020.
What is the difference in theoretical duration of lower secondary education between Armenia and Tonga?
0 years, with Armenia ahead.
How many years of comparable data are there for Armenia and Tonga?
51 years are reported by both, from 1970 to 2020.
How do Armenia and Tonga rank globally for theoretical duration of lower secondary education?
Armenia ranks 5th and Tonga ranks 5th 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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Armenia vs Tonga: Theoretical duration of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 29 August 2026, from https://education.statizoid.com/compare/theoretical-duration-of-lower-secondary-education-years/armenia/tonga/

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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.