Kazakhstan vs Tonga: Theoretical duration of lower secondary education

Kazakhstan
5 years
in 2020
Tonga
5 years
in 2020
Kazakhstan rank
5th
Tonga rank
5th

Theoretical duration of lower secondary education over time

  • Kazakhstan
  • Tonga
012345197019952020

How they compare

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

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

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

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

Head to head by decade

Decade Kazakhstan Tonga Difference Ahead
1970s 5 years 4 years 1 years Kazakhstan
1980s 5 years 4 years 1 years Kazakhstan
1990s 5 years 4 years 1 years Kazakhstan
2000s 5 years 4 years 1 years Kazakhstan
2010s 5 years 4.8 years 0.2 years Kazakhstan
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, Kazakhstan or Tonga?
Kazakhstan, at 5 years against 5 years in Tonga as of 2020.
What is the difference in theoretical duration of lower secondary education between Kazakhstan and Tonga?
0 years, with Kazakhstan ahead.
How many years of comparable data are there for Kazakhstan and Tonga?
51 years are reported by both, from 1970 to 2020.
How do Kazakhstan and Tonga rank globally for theoretical duration of lower secondary education?
Kazakhstan 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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Kazakhstan vs Tonga: 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/kazakhstan/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.