Which has higher lower secondary school starting age, Eritrea or Mongolia?

Eritrea, at 11 years against 11 years in Mongolia as of 2025.

How many years of comparable data are there for Eritrea and Mongolia?

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.

Eritrea vs Mongolia: Lower secondary school starting age

Eritrea

11 years

in 2025

Mongolia

11 years

in 2025

Eritrea rank

144th

Mongolia rank

144th

Lower secondary school starting age over time

Eritrea
Mongolia

How they compare

Eritrea currently reports 11 years against 11 years in Mongolia, a difference of 0 years.

The two have swapped places 3 times across 56 shared years of data; in 1970 it was Eritrea ahead.

Eritrea ranks 144th and Mongolia ranks 144th of 209 countries.

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

Head to head by decade

Decade	Eritrea	Mongolia	Difference	Ahead
1970s	13 years	11.3 years	1.7 years	Eritrea
1980s	13 years	11 years	2 years	Eritrea
1990s	12.2 years	11.3 years	0.9 years	Eritrea
2000s	12 years	11.9 years	0.1 years	Eritrea
2010s	11.3 years	11 years	0.3 years	Eritrea
2020s	11 years	11 years	0 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher lower secondary school starting age, Eritrea or Mongolia?: Eritrea, at 11 years against 11 years in Mongolia as of 2025.
What is the difference in lower secondary school starting age between Eritrea and Mongolia?: 0 years, with Eritrea ahead.
How many years of comparable data are there for Eritrea and Mongolia?: 56 years are reported by both, from 1970 to 2025.
How do Eritrea and Mongolia rank globally for lower secondary school starting age?: Eritrea ranks 144th and Mongolia 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.

Individual pages

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.