Namibia vs Oman: Theoretical duration of upper secondary education

Namibia
2 years
in 2020
Oman
2 years
in 2020
Namibia rank
156th
Oman rank
156th

Theoretical duration of upper secondary education over time

  • Namibia
  • Oman
0123197019952020

How they compare

Namibia currently reports 2 years against 2 years in Oman, a difference of 0 years.

Across all 51 years both countries report, Oman has been ahead every year.

Namibia ranks 156th and Oman ranks 156th of 209 countries.

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

Head to head by decade

Decade Namibia Oman Difference Ahead
1970s 2 years 3 years 1 years Oman
1980s 2 years 3 years 1 years Oman
1990s 2 years 3 years 1 years Oman
2000s 2 years 3 years 1 years Oman
2010s 2 years 2.8 years 0.8 years Oman
2020s 2 years 2 years 0 years β€”

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of upper secondary education, Namibia or Oman?
Namibia, at 2 years against 2 years in Oman as of 2020.
What is the difference in theoretical duration of upper secondary education between Namibia and Oman?
0 years, with Namibia ahead.
How many years of comparable data are there for Namibia and Oman?
51 years are reported by both, from 1970 to 2020.
How do Namibia and Oman rank globally for theoretical duration of upper secondary education?
Namibia ranks 156th and Oman ranks 156th of 209 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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Namibia vs Oman: Theoretical duration of upper secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 21 August 2026, from https://education.statizoid.com/compare/theoretical-duration-of-upper-secondary-education-years/namibia/oman/

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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 4.0 (World Bank Open Data)
Coverage
209 places, 10,366 data points, 1970–2020
Last refreshed

Number of grades (years) in upper secondary education.