Dominican Republic vs Iran, Islamic Republic of: Theoretical duration of upper secondary education

Dominican Republic
3 years
in 2025
Iran, Islamic Republic of
3 years
in 2025
Dominican Republic rank
52nd
Iran, Islamic Republic of rank
52nd

Theoretical duration of upper secondary education over time

  • Dominican Republic
  • Iran, Islamic Republic of
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How they compare

Dominican Republic currently reports 3 years against 3 years in Iran, Islamic Republic of, a difference of 0 years.

The two have swapped places 1 time across 56 shared years of data; in 1970 it was Dominican Republic ahead.

Dominican Republic ranks 52nd and Iran, Islamic Republic of ranks 52nd of 221 countries.

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

Head to head by decade

Decade Dominican Republic Iran, Islamic Republic of Difference Ahead
1970s 4 years 3.2 years 0.8 years Dominican Republic
1980s 4 years 4 years 0 years
1990s 4 years 4 years 0 years
2000s 4 years 4 years 0 years
2010s 3.6 years 3.6 years 0 years
2020s 3 years 3 years 0 years

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of upper secondary education, Dominican Republic or Iran, Islamic Republic of?
Dominican Republic, at 3 years against 3 years in Iran, Islamic Republic of as of 2025.
What is the difference in theoretical duration of upper secondary education between Dominican Republic and Iran, Islamic Republic of?
0 years, with Dominican Republic ahead.
How many years of comparable data are there for Dominican Republic and Iran, Islamic Republic of?
56 years are reported by both, from 1970 to 2025.
How do Dominican Republic and Iran, Islamic Republic of rank globally for theoretical duration of upper secondary education?
Dominican Republic ranks 52nd and Iran, Islamic Republic of ranks 52nd of 221 countries.
Where does this data come from?
UNESCO Institute for Statistics, published as Theoretical duration of upper 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 Iran, Islamic Republic of: Theoretical duration of upper secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 06 September 2026, from https://education.statizoid.com/compare/theoretical-duration-of-upper-secondary-education-years-2/dominican-republic/iran-islamic-rep/

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About this data

Indicator
Theoretical duration of upper secondary education (years)
Unit
years
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
221 places, 11,823 data points, 1970–2025
Last refreshed

February 2026 Data Release