What is the difference in theoretical duration of lower secondary education between Dominican Republic and Samoa?

0 years, with Dominican Republic ahead.

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

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 lower secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Dominican Republic vs Samoa: Theoretical duration of lower secondary education

Dominican Republic

2 years

in 2020

Samoa

2 years

in 2020

Dominican Republic rank

188th

Samoa rank

188th

Theoretical duration of lower secondary education over time

Dominican Republic
Samoa

How they compare

Dominican Republic currently reports 2 years against 2 years in Samoa, a difference of 0 years.

The two have swapped places 2 times across 51 shared years of data; in 1970 it was Samoa ahead.

Dominican Republic ranks 188th and Samoa ranks 188th of 209 countries.

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

Head to head by decade

Decade	Dominican Republic	Samoa	Difference	Ahead
1970s	2 years	2 years	0 years	—
1980s	2 years	2 years	0 years	—
1990s	2 years	2 years	0 years	—
2000s	2 years	2 years	0 years	—
2010s	2.4 years	2 years	0.4 years	Dominican Republic
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 lower secondary education, Dominican Republic or Samoa?: Dominican Republic, at 2 years against 2 years in Samoa as of 2020.
What is the difference in theoretical duration of lower secondary education between Dominican Republic and Samoa?: 0 years, with Dominican Republic ahead.
How many years of comparable data are there for Dominican Republic and Samoa?: 51 years are reported by both, from 1970 to 2020.
How do Dominican Republic and Samoa rank globally for theoretical duration of lower secondary education?: Dominican Republic ranks 188th and Samoa ranks 188th 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.

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Dominican Republic vs Samoa: Theoretical duration of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 02 September 2026, from https://education.statizoid.com/compare/theoretical-duration-of-lower-secondary-education-years/dominican-republic/samoa/

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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: 21 August 2026

Number of grades (years) in lower secondary education.