Hong Kong vs Iran: Repetition rate in Grade 4 of primary education, both sexes

Hong Kong
0.7%
in 2023
Iran
0.6%
in 2022
Hong Kong rank
119th
Iran rank
121st

Repetition rate in Grade 4 of primary education, both sexes over time

  • Hong Kong
  • Iran
02.557.51012.5197920012023

How they compare

Hong Kong currently reports 0.7% against 0.6% in Iran, a difference of 0.1%.

That makes Hong Kong's figure about 1.2 times Iran's.

The two have swapped places 3 times across 20 shared years of data; in 1983 it was Iran ahead.

Hong Kong ranks 119th and Iran ranks 121st of 190 countries.

Across the 5 decades both report, Hong Kong averaged higher in 2 and Iran in 3.

Head to head by decade

Decade Hong Kong Iran Difference Ahead
1980s 2.9% 10.3% 7.4% Iran
1990s 1.9% 8.0% 6.0% Iran
2000s 1.3% 1.6% 0.3% Iran
2010s 0.8% 0.7% 0.1% Hong Kong
2020s 0.8% 0.6% 0.2% Hong Kong

Averages of every year both report within each decade.

Frequently asked questions

Which has higher repetition rate in grade 4 of primary education, both sexes, Hong Kong or Iran?
Hong Kong, at 0.7% against 0.6% in Iran as of 2023.
What is the difference in repetition rate in grade 4 of primary education, both sexes between Hong Kong and Iran?
0.1%, with Hong Kong ahead.
How many years of comparable data are there for Hong Kong and Iran?
20 years are reported by both, from 1983 to 2022.
How do Hong Kong and Iran rank globally for repetition rate in grade 4 of primary education, both sexes?
Hong Kong ranks 119th and Iran ranks 121st of 190 countries.
Where does this data come from?
UNESCO Institute for Statistics, published as Repetition rate in Grade 4 of primary education, both sexes (%). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Hong Kong vs Iran: Repetition rate in Grade 4 of primary education, both sexes. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 17 September 2026, from https://education.statizoid.com/compare/repetition-rate-in-grade-4-of-primary-education-both-sexes-percent-2/hong-kong-sar-china/iran-islamic-rep/

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About this data

Indicator
Repetition rate in Grade 4 of primary education, both sexes (%)
Unit
%
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
190 places, 4,531 data points, 1970–2024
Last refreshed

February 2026 Data Release