What is the difference in lower secondary school starting age between Dominican Republic and Sudan?

0 years, with Dominican Republic ahead.

How many years of comparable data are there for Dominican Republic and Sudan?

28 years are reported by both, from 1998 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.

Dominican Republic vs Sudan: Lower secondary school starting age

Dominican Republic

12 years

in 2025

Sudan

12 years

in 2025

Dominican Republic rank

30th

Sudan rank

30th

Lower secondary school starting age over time

Dominican Republic
Sudan

How they compare

Dominican Republic currently reports 12 years against 12 years in Sudan, a difference of 0 years.

Across all 28 years both countries report, Sudan has been ahead every year.

Dominican Republic ranks 30th and Sudan ranks 30th of 209 countries.

Head to head by decade

Decade	Dominican Republic	Sudan	Ahead
1990s	12 years	12 years	—
2000s	12 years	12 years	—
2010s	12 years	12 years	—
2020s	12 years	12 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher lower secondary school starting age, Dominican Republic or Sudan?: Dominican Republic, at 12 years against 12 years in Sudan as of 2025.
What is the difference in lower secondary school starting age between Dominican Republic and Sudan?: 0 years, with Dominican Republic ahead.
How many years of comparable data are there for Dominican Republic and Sudan?: 28 years are reported by both, from 1998 to 2025.
How do Dominican Republic and Sudan rank globally for lower secondary school starting age?: Dominican Republic ranks 30th and Sudan ranks 30th 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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Dominican Republic vs Sudan: Lower secondary school starting age. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 25 August 2026, from https://education.statizoid.com/compare/lower-secondary-school-starting-age-years/dominican-republic/sudan/

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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: 20 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.