What is the difference in pupil-teacher ratio, preprimary between Iran (Islamic Republic of) and Upper middle income?

10.39, with Iran (Islamic Republic of) ahead.

How many years of comparable data are there for Iran (Islamic Republic of) and Upper middle income?

31 years are reported by both, from 1973 to 2005.

Where does this data come from?

Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO), published as Pupil-teacher ratio, preprimary. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran (Islamic Republic of) vs Upper middle income: Pupil-teacher ratio, preprimary

Iran (Islamic Republic of)

26.91

in 2005

Upper middle income

16.52

in 2018

Iran (Islamic Republic of) rank

32nd

Upper middle income rank

28th

Pupil-teacher ratio, preprimary over time

Iran (Islamic Republic of)
Upper middle income

How they compare

Iran (Islamic Republic of) currently reports 26.91 against 16.52 in Upper middle income, a difference of 10.39.

That makes Iran (Islamic Republic of)'s figure about 1.6 times Upper middle income's.

The two have swapped places 4 times across 31 shared years of data; in 1973 it was Iran (Islamic Republic of) ahead.

Iran (Islamic Republic of) ranks 32nd and Upper middle income ranks 28th of 183 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)	Upper middle income	Difference	Ahead
1970s	23.38	16.72	6.66	Iran (Islamic Republic of)
1980s	21.1	18.31	2.79	Iran (Islamic Republic of)
1990s	24.58	19.39	5.2	Iran (Islamic Republic of)
2000s	25.61	18.77	6.84	Iran (Islamic Republic of)

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pupil-teacher ratio, preprimary, Iran (Islamic Republic of) or Upper middle income?: Iran (Islamic Republic of), at 26.91 against 16.52 in Upper middle income as of 2005.
What is the difference in pupil-teacher ratio, preprimary between Iran (Islamic Republic of) and Upper middle income?: 10.39, with Iran (Islamic Republic of) ahead.
How many years of comparable data are there for Iran (Islamic Republic of) and Upper middle income?: 31 years are reported by both, from 1973 to 2005.
How do Iran (Islamic Republic of) and Upper middle income rank globally for pupil-teacher ratio, preprimary?: Iran (Islamic Republic of) ranks 32nd and Upper middle income ranks 28th of 183 countries.
Where does this data come from?: Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO), published as Pupil-teacher ratio, preprimary. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran (Islamic Republic of) vs Upper middle income: Pupil-teacher ratio, preprimary. Statizoid, drawing on Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 20 August 2026, from https://education.statizoid.com/compare/pupil-teacher-ratio-preprimary/iran-islamic-rep/upper-middle-income/

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<a href="https://education.statizoid.com/compare/pupil-teacher-ratio-preprimary/iran-islamic-rep/upper-middle-income/">Iran (Islamic Republic of) vs Upper middle income: Pupil-teacher ratio, preprimary</a> — Statizoid

About this data

Indicator: Pupil-teacher ratio, preprimary
Source: Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 225 places, 6,028 data points, 1970–2019
Last refreshed: 20 August 2026

Preprimary school pupil-teacher ratio is the average number of pupils per teacher in preprimary school.