Iran, Islamic Republic of vs Sudan: Secondary education, duration (years), annual growth rate

Iran, Islamic Republic of
0 % change on previous year
in 2025
Sudan
0 % change on previous year
in 2025
Iran, Islamic Republic of rank
1st
Sudan rank
1st

Secondary education, duration (years), annual growth rate over time

  • Iran, Islamic Republic of
  • Sudan
-1001020197119982025

How they compare

Iran, Islamic Republic of currently reports 0 % change on previous year against 0 % change on previous year in Sudan, a difference of 0 % change on previous year.

Across all 27 years both countries report, Sudan has been ahead every year.

Iran, Islamic Republic of ranks 1st and Sudan ranks 1st of 209 countries.

Sudan 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 0 % change on previous year 0 % change on previous year 0 % change on previous year
2000s 0 % change on previous year 0 % change on previous year 0 % change on previous year
2010s -1.43 % change on previous year 0 % change on previous year 1.43 % change on previous year Sudan
2020s 0 % change on previous year 3.33 % change on previous year 3.33 % change on previous year Sudan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher secondary education, duration (years), annual growth rate, Iran, Islamic Republic of or Sudan?
Iran, Islamic Republic of, at 0 % change on previous year against 0 % change on previous year in Sudan as of 2025.
What is the difference in secondary education, duration (years), annual growth rate between Iran, Islamic Republic of and Sudan?
0 % change on previous year, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Sudan?
27 years are reported by both, from 1999 to 2025.
How do Iran, Islamic Republic of and Sudan rank globally for secondary education, duration (years), annual growth rate?
Iran, Islamic Republic of ranks 1st and Sudan ranks 1st of 209 countries.
Where does this data come from?
Statizoid (derived), published as Secondary education, duration (years), annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran, Islamic Republic of vs Sudan: Secondary education, duration (years), annual growth rate. Statizoid, drawing on Statizoid (derived). Retrieved 02 September 2026, from https://education.statizoid.com/compare/secondary-education-duration-years-annual-growth-rate/iran-islamic-rep/sudan/

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About this data

Indicator
Secondary education, duration (years), annual growth rate
Unit
% change on previous year
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
255 places, 13,723 data points, 1971–2025
Last refreshed

The year-on-year percentage change in Secondary education, duration (years). Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.