What is the difference in lower secondary school starting age between Comoros, Union of the and Viet Nam?

0 years, with Comoros, Union of the ahead.

How many years of comparable data are there for Comoros, Union of the and Viet Nam?

56 years are reported by both, from 1970 to 2025.

Where does this data come from?

Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Lower secondary school starting age (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Comoros, Union of the vs Viet Nam: Lower secondary school starting age

Comoros, Union of the

11 years

in 2025

Viet Nam

11 years

in 2025

Comoros, Union of the rank

144th

Viet Nam rank

144th

Lower secondary school starting age over time

Comoros, Union of the
Viet Nam

How they compare

Comoros, Union of the currently reports 11 years against 11 years in Viet Nam, a difference of 0 years.

The two have swapped places 1 time across 56 shared years of data; in 1970 it was Comoros, Union of the ahead.

Comoros, Union of the ranks 144th and Viet Nam ranks 144th of 209 countries.

Comoros, Union of the has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Comoros, Union of the	Viet Nam	Difference	Ahead
1970s	12 years	11 years	1 years	Comoros, Union of the
1980s	12 years	11 years	1 years	Comoros, Union of the
1990s	12.7 years	11 years	1.7 years	Comoros, Union of the
2000s	12 years	11 years	1 years	Comoros, Union of the
2010s	12 years	11 years	1 years	Comoros, Union of the
2020s	11.67 years	11 years	0.6667 years	Comoros, Union of the

Averages of every year both report within each decade.

Frequently asked questions

Which has higher lower secondary school starting age, Comoros, Union of the or Viet Nam?: Comoros, Union of the, at 11 years against 11 years in Viet Nam as of 2025.
What is the difference in lower secondary school starting age between Comoros, Union of the and Viet Nam?: 0 years, with Comoros, Union of the ahead.
How many years of comparable data are there for Comoros, Union of the and Viet Nam?: 56 years are reported by both, from 1970 to 2025.
How do Comoros, Union of the and Viet Nam rank globally for lower secondary school starting age?: Comoros, Union of the ranks 144th and Viet Nam ranks 144th of 209 countries.
Where does this data come from?: Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Lower secondary school starting age (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Comoros, Union of the vs Viet Nam: Lower secondary school starting age. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 18 August 2026, from https://education.statizoid.com/compare/lower-secondary-school-starting-age-years/comoros/viet-nam/

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About this data

Indicator: Lower secondary school starting age (years)
Unit: years
Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 209 places, 11,411 data points, 1970–2025
Last refreshed: 06 August 2026

Lower secondary school starting age is the age at which students would enter lower secondary education, assuming they had started at the official entrance age for the lowest level of education, had studied full-time throughout and had progressed through the system without repeating or skipping a grade.