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

0 years, with Dominican Republic ahead.

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

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 Zambia: Theoretical duration of lower secondary education

Dominican Republic

2 years

in 2020

Zambia

2 years

in 2020

Dominican Republic rank

188th

Zambia rank

188th

Theoretical duration of lower secondary education over time

Dominican Republic
Zambia

How they compare

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

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

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

Across the 6 decades both report, Dominican Republic averaged higher in 1 and Zambia in 2.

Head to head by decade

Decade	Dominican Republic	Zambia	Difference	Ahead
1970s	2 years	3 years	1 years	Zambia
1980s	2 years	2.5 years	0.5 years	Zambia
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 Zambia?: Dominican Republic, at 2 years against 2 years in Zambia as of 2020.
What is the difference in theoretical duration of lower secondary education between Dominican Republic and Zambia?: 0 years, with Dominican Republic ahead.
How many years of comparable data are there for Dominican Republic and Zambia?: 51 years are reported by both, from 1970 to 2020.
How do Dominican Republic and Zambia rank globally for theoretical duration of lower secondary education?: Dominican Republic ranks 188th and Zambia 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 Zambia: Theoretical duration of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 06 September 2026, from https://education.statizoid.com/compare/theoretical-duration-of-lower-secondary-education-years/dominican-republic/zambia/

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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: 04 September 2026

Number of grades (years) in lower secondary education.