What is the difference in theoretical duration of post-secondary non-tertiary education between Iran, Islamic Republic of and Saint Lucia?

0 years, with Iran, Islamic Republic of ahead.

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

14 years are reported by both, from 1999 to 2012.

Where does this data come from?

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

Iran, Islamic Republic of vs Saint Lucia: Theoretical duration of post-secondary non-tertiary education

Iran, Islamic Republic of

2 years

in 2012

Saint Lucia

2 years

in 2019

Iran, Islamic Republic of rank

15th

Saint Lucia rank

15th

Theoretical duration of post-secondary non-tertiary education over time

Iran, Islamic Republic of
Saint Lucia

How they compare

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

Across all 14 years both countries report, Saint Lucia has been ahead every year.

Iran, Islamic Republic of ranks 15th and Saint Lucia ranks 15th of 168 countries.

Head to head by decade

Decade	Iran, Islamic Republic of	Saint Lucia	Ahead
1990s	2 years	2 years	—
2000s	2 years	2 years	—
2010s	2 years	2 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of post-secondary non-tertiary education, Iran, Islamic Republic of or Saint Lucia?: Iran, Islamic Republic of, at 2 years against 2 years in Saint Lucia as of 2012.
What is the difference in theoretical duration of post-secondary non-tertiary education between Iran, Islamic Republic of and Saint Lucia?: 0 years, with Iran, Islamic Republic of ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Saint Lucia?: 14 years are reported by both, from 1999 to 2012.
How do Iran, Islamic Republic of and Saint Lucia rank globally for theoretical duration of post-secondary non-tertiary education?: Iran, Islamic Republic of ranks 15th and Saint Lucia ranks 15th of 168 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Theoretical duration of post-secondary non-tertiary 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 Saint Lucia: Theoretical duration of post-secondary non-tertiary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 04 September 2026, from https://education.statizoid.com/compare/theoretical-duration-of-post-secondary-non-tertiary-education-years/iran-islamic-rep/st-lucia/

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<a href="https://education.statizoid.com/compare/theoretical-duration-of-post-secondary-non-tertiary-education-years/iran-islamic-rep/st-lucia/">Iran, Islamic Republic of vs Saint Lucia: Theoretical duration of post-secondary non-tertiary education</a> — Statizoid

About this data

Indicator: Theoretical duration of post-secondary non-tertiary education (years)
Unit: years
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 168 places, 3,181 data points, 1970–2020
Last refreshed: 04 September 2026

Number of grades (years) in post-secondary education.