Iran, Islamic Republic of vs Sudan: Official entrance age to upper secondary education

Iran, Islamic Republic of
15 years
in 2025
Sudan
15 years
in 2025
Iran, Islamic Republic of rank
64th
Sudan rank
64th

Official entrance age to upper secondary education over time

  • Iran, Islamic Republic of
  • Sudan
051015197019972025

How they compare

Iran, Islamic Republic of currently reports 15 years against 15 years in Sudan, a difference of 0 years.

The two have swapped places 2 times across 28 shared years of data; in 1998 it was Sudan ahead.

Iran, Islamic Republic of ranks 64th and Sudan ranks 64th of 215 countries.

Iran, Islamic Republic of has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade Iran, Islamic Republic of Sudan Difference Ahead
1990s 14 years 14 years 0 years
2000s 14 years 14 years 0 years
2010s 14.4 years 14.1 years 0.3 years Iran, Islamic Republic of
2020s 15 years 15 years 0 years

Averages of every year both report within each decade.

Frequently asked questions

Which has higher official entrance age to upper secondary education, Iran, Islamic Republic of or Sudan?
Iran, Islamic Republic of, at 15 years against 15 years in Sudan as of 2025.
What is the difference in official entrance age to upper secondary education between Iran, Islamic Republic of and Sudan?
0 years, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Sudan?
28 years are reported by both, from 1998 to 2025.
How do Iran, Islamic Republic of and Sudan rank globally for official entrance age to upper secondary education?
Iran, Islamic Republic of ranks 64th and Sudan ranks 64th of 215 countries.
Where does this data come from?
UNESCO Institute for Statistics, published as Official entrance age to upper secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Iran, Islamic Republic of vs Sudan: Official entrance age to upper secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 04 September 2026, from https://education.statizoid.com/compare/official-entrance-age-to-upper-secondary-education-years-2/iran-islamic-rep/sudan/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics); please keep the attribution.

<a href="https://education.statizoid.com/compare/official-entrance-age-to-upper-secondary-education-years-2/iran-islamic-rep/sudan/">Iran, Islamic Republic of vs Sudan: Official entrance age to upper secondary education</a> — Statizoid

About this data

Indicator
Official entrance age to 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