Russian Federation vs Tonga: Theoretical duration of lower secondary education

Russian Federation
5 years
in 2020
Tonga
5 years
in 2020
Russian Federation rank
5th
Tonga rank
5th

Theoretical duration of lower secondary education over time

  • Russian Federation
  • Tonga
012345197019952020

How they compare

Russian Federation 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 Russian Federation ahead.

Russian Federation ranks 5th and Tonga ranks 5th of 209 countries.

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

Head to head by decade

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

Individual pages

Share, cite or embed this page

Cite this page

Russian Federation vs Tonga: 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/russian-federation/tonga/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (World Bank Open Data); please keep the attribution.

<a href="https://education.statizoid.com/compare/theoretical-duration-of-lower-secondary-education-years/russian-federation/tonga/">Russian Federation vs Tonga: 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

Number of grades (years) in lower secondary education.