What is the difference in theoretical duration of upper secondary education between Marshall Islands and Tonga?

0 years, with Marshall Islands ahead.

How many years of comparable data are there for Marshall Islands and Tonga?

51 years are reported by both, from 1970 to 2020.

Where does this data come from?

UNESCO Institute for Statistics, published as Theoretical duration of upper secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Marshall Islands vs Tonga: Theoretical duration of upper secondary education

Marshall Islands

2 years

in 2020

Tonga

2 years

in 2020

Marshall Islands rank

156th

Tonga rank

156th

Theoretical duration of upper secondary education over time

Marshall Islands
Tonga

How they compare

Marshall Islands currently reports 2 years against 2 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 Marshall Islands ahead.

Marshall Islands ranks 156th and Tonga ranks 156th of 209 countries.

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

Head to head by decade

Decade	Marshall Islands	Tonga	Difference	Ahead
1970s	4 years	2 years	2 years	Marshall Islands
1980s	4 years	2.6 years	1.4 years	Marshall Islands
1990s	4 years	2.8 years	1.2 years	Marshall Islands
2000s	4 years	2 years	2 years	Marshall Islands
2010s	3 years	2 years	1 years	Marshall Islands
2020s	2 years	2 years	0 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of upper secondary education, Marshall Islands or Tonga?: Marshall Islands, at 2 years against 2 years in Tonga as of 2020.
What is the difference in theoretical duration of upper secondary education between Marshall Islands and Tonga?: 0 years, with Marshall Islands ahead.
How many years of comparable data are there for Marshall Islands and Tonga?: 51 years are reported by both, from 1970 to 2020.
How do Marshall Islands and Tonga rank globally for theoretical duration of upper secondary education?: Marshall Islands ranks 156th and Tonga ranks 156th of 209 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Theoretical duration of upper secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Marshall Islands vs Tonga: Theoretical duration of upper secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 27 August 2026, from https://education.statizoid.com/compare/theoretical-duration-of-upper-secondary-education-years/marshall-islands/tonga/

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About this data

Indicator: Theoretical duration of upper 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: 21 August 2026

Number of grades (years) in upper secondary education.