Congo, Democratic Republic of the vs Iran, Islamic Republic of: Secondary education, pupils, gaps filled

Congo, Democratic Republic of the
7.93 million
in 2023
Iran, Islamic Republic of
6.62 million
in 2023
Congo, Democratic Republic of the rank
15th
Iran, Islamic Republic of rank
18th

Secondary education, pupils, gaps filled over time

  • Congo, Democratic Republic of the
  • Iran, Islamic Republic of
02.0M4.0M6.0M8.0M10.0M197119972023

How they compare

Congo, Democratic Republic of the currently reports 7.93 million against 6.62 million in Iran, Islamic Republic of, a difference of 1.31 million.

That makes Congo, Democratic Republic of the's figure about 1.2 times Iran, Islamic Republic of's.

The two have swapped places 1 time across 30 shared years of data; in 1971 it was Iran, Islamic Republic of ahead.

Congo, Democratic Republic of the ranks 15th and Iran, Islamic Republic of ranks 18th of 206 countries.

Across the 6 decades both report, Congo, Democratic Republic of the averaged higher in 1 and Iran, Islamic Republic of in 5.

Head to head by decade

Decade Congo, Democratic Republic of the Iran, Islamic Republic of Difference Ahead
1970s 394,724 1.78 million 1.38 million Iran, Islamic Republic of
1980s 1.00 million 3.64 million 2.64 million Iran, Islamic Republic of
1990s 1.22 million 6.07 million 4.85 million Iran, Islamic Republic of
2000s 3.11 million 8.13 million 5.01 million Iran, Islamic Republic of
2010s 4.03 million 6.51 million 2.49 million Iran, Islamic Republic of
2020s 7.64 million 6.46 million 1.18 million Congo, Democratic Republic of the

Averages of every year both report within each decade.

Frequently asked questions

Which has higher secondary education, pupils, gaps filled, Congo, Democratic Republic of the or Iran, Islamic Republic of?
Congo, Democratic Republic of the, at 7.93 million against 6.62 million in Iran, Islamic Republic of as of 2023.
What is the difference in secondary education, pupils, gaps filled between Congo, Democratic Republic of the and Iran, Islamic Republic of?
1.31 million, with Congo, Democratic Republic of the ahead.
How many years of comparable data are there for Congo, Democratic Republic of the and Iran, Islamic Republic of?
30 years are reported by both, from 1971 to 2023.
How do Congo, Democratic Republic of the and Iran, Islamic Republic of rank globally for secondary education, pupils, gaps filled?
Congo, Democratic Republic of the ranks 15th and Iran, Islamic Republic of ranks 18th of 206 countries.
Where does this data come from?
Statizoid (derived), published as Secondary education, pupils, gaps filled. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Congo, Democratic Republic of the vs Iran, Islamic Republic of: Secondary education, pupils, gaps filled. Statizoid, drawing on Statizoid (derived). Retrieved 03 September 2026, from https://education.statizoid.com/compare/secondary-education-pupils-gaps-filled/congo-dem-rep/iran-islamic-rep/

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About this data

Indicator
Secondary education, pupils, gaps filled
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
251 places, 10,723 data points, 1970–2025
Last refreshed

Secondary education, pupils with 698 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.