Bulgaria vs Iran, Islamic Republic of: Repetition rate in lower secondary general education (all grades)

Bulgaria
2.2%
in 2023
Iran, Islamic Republic of
1.9%
in 2022
Bulgaria rank
80th
Iran, Islamic Republic of rank
83rd

Repetition rate in lower secondary general education (all grades) over time

  • Bulgaria
  • Iran, Islamic Republic of
02.557.51012.5200020112023

How they compare

Bulgaria currently reports 2.2% against 1.9% in Iran, Islamic Republic of, a difference of 0.3%.

That makes Bulgaria's figure about 1.2 times Iran, Islamic Republic of's.

The two have swapped places 1 time across 8 shared years of data; in 2001 it was Iran, Islamic Republic of ahead.

Bulgaria ranks 80th and Iran, Islamic Republic of ranks 83rd of 174 countries.

Across the 3 decades both report, Bulgaria averaged higher in 2 and Iran, Islamic Republic of in 1.

Head to head by decade

Decade Bulgaria Iran, Islamic Republic of Difference Ahead
2000s 2.3% 6.0% 3.7% Iran, Islamic Republic of
2010s 2.3% 2.0% 0.3% Bulgaria
2020s 2.2% 1.9% 0.3% Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher repetition rate in lower secondary general education (all grades), Bulgaria or Iran, Islamic Republic of?
Bulgaria, at 2.2% against 1.9% in Iran, Islamic Republic of as of 2023.
What is the difference in repetition rate in lower secondary general education (all grades) between Bulgaria and Iran, Islamic Republic of?
0.3%, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Iran, Islamic Republic of?
8 years are reported by both, from 2001 to 2022.
How do Bulgaria and Iran, Islamic Republic of rank globally for repetition rate in lower secondary general education (all grades)?
Bulgaria ranks 80th and Iran, Islamic Republic of ranks 83rd of 174 countries.
Where does this data come from?
UNESCO Institute for Statistics, published as Repetition rate in lower secondary general education (all grades), both sexes (%). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Iran, Islamic Republic of: Repetition rate in lower secondary general education (all grades). Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 13 September 2026, from https://education.statizoid.com/compare/repetition-rate-in-lower-secondary-general-education-all-grades-both-sexes-percent-2/bulgaria/iran-islamic-rep/

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About this data

Indicator
Repetition rate in lower secondary general education (all grades), both sexes (%)
Unit
%
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
174 places, 2,774 data points, 1970–2024
Last refreshed

February 2026 Data Release