What is the difference in theoretical duration of lower secondary education between Iran, Islamic Republic of and Kenya?

0 years, with Iran, Islamic Republic of ahead.

How many years of comparable data are there for Iran, Islamic Republic of and Kenya?

51 years are reported by both, from 1970 to 2020.

Where does this data come from?

UNESCO Institute for Statistics, published as Theoretical duration of lower secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran, Islamic Republic of vs Kenya: Theoretical duration of lower secondary education

Iran, Islamic Republic of

2 years

in 2020

Kenya

2 years

in 2020

Iran, Islamic Republic of rank

188th

Kenya rank

188th

Theoretical duration of lower secondary education over time

Iran, Islamic Republic of
Kenya

How they compare

Iran, Islamic Republic of currently reports 2 years against 2 years in Kenya, a difference of 0 years.

The two have swapped places 4 times across 51 shared years of data; in 1970 it was Kenya ahead.

Iran, Islamic Republic of ranks 188th and Kenya ranks 188th of 209 countries.

Iran, Islamic Republic of has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Iran, Islamic Republic of	Kenya	Difference	Ahead
1970s	3 years	3 years	0 years	—
1980s	3 years	2.9 years	0.1 years	Iran, Islamic Republic of
1990s	3 years	2 years	1 years	Iran, Islamic Republic of
2000s	3 years	2 years	1 years	Iran, Islamic Republic of
2010s	2.7 years	2 years	0.7 years	Iran, Islamic Republic of
2020s	2 years	2 years	0 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of lower secondary education, Iran, Islamic Republic of or Kenya?: Iran, Islamic Republic of, at 2 years against 2 years in Kenya as of 2020.
What is the difference in theoretical duration of lower secondary education between Iran, Islamic Republic of and Kenya?: 0 years, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Kenya?: 51 years are reported by both, from 1970 to 2020.
How do Iran, Islamic Republic of and Kenya rank globally for theoretical duration of lower secondary education?: Iran, Islamic Republic of ranks 188th and Kenya ranks 188th of 209 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Theoretical duration of lower secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran, Islamic Republic of vs Kenya: Theoretical duration of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 31 August 2026, from https://education.statizoid.com/compare/theoretical-duration-of-lower-secondary-education-years/iran-islamic-rep/kenya/

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About this data

Indicator: Theoretical duration of lower secondary education (years)
Unit: years
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 209 places, 10,366 data points, 1970–2020
Last refreshed: 21 August 2026

Number of grades (years) in lower secondary education.