School life expectancy, tertiary, both sexes (years) (both sexes) in Iran
Iran: School life expectancy, tertiary, both sexes (years) (both sexes) was 2.93 years in 2022. ◆ Volatile
School life expectancy, tertiary, both sexes in Iran, 1971–2022
Source: UNESCO Institute for Statistics. Measured in years.
Analysis
Iran recorded 2.93 years for school life expectancy, tertiary, both sexes in 2022.
Compared with earlier readings it is up 8.1% on the previous year and up 11.2% over ten years.
Over the whole period, school life expectancy, tertiary, both sexes in Iran peaked at 3.26 years in 2015 and was at its lowest, 0.1403 years, in 1971.
That places Iran 72nd out of 196 countries with data for 2022, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
School life expectancy, tertiary, both sexes (years) (both sexes) in Iran, year by year
| Year | years | Change |
|---|---|---|
| 1971 | 0.1403 years | — |
| 1972 | 0.165 years | +17.6% |
| 1973 | 0.1881 years | +13.9% |
| 1974 | 0.1928 years | +2.5% |
| 1975 | 0.2033 years | +5.5% |
| 1976 | 0.2188 years | +7.6% |
| 1977 | 0.2138 years | -2.3% |
| 1978 | 0.2159 years | +1.0% |
| 1995 | 0.8669 years | +301.4% |
| 1996 | 0.9482 years | +9.4% |
| 1999 | 0.9396 years | -0.9% |
| 2000 | 0.939 years | -0.1% |
| 2001 | 0.9746 years | +3.8% |
| 2002 | 0.9138 years | -6.2% |
| 2003 | 0.9703 years | +6.2% |
| 2004 | 1.07 years | +10.1% |
| 2005 | 1.13 years | +6.1% |
| 2006 | 1.27 years | +11.6% |
| 2007 | 1.49 years | +17.8% |
| 2008 | 1.81 years | +21.4% |
| 2009 | 1.82 years | +0.8% |
| 2010 | 2.13 years | +16.6% |
| 2011 | 2.4 years | +13.0% |
| 2012 | 2.64 years | +9.8% |
| 2013 | 2.75 years | +4.2% |
| 2014 | 3.07 years | +11.5% |
| 2015 | 3.26 years | +6.4% |
| 2016 | 3.08 years | -5.7% |
| 2017 | 2.99 years | -3.0% |
| 2018 | 2.78 years | -6.9% |
| 2019 | 2.61 years | -6.0% |
| 2020 | 2.56 years | -1.9% |
| 2021 | 2.72 years | +6.0% |
| 2022 | 2.93 years | +8.1% |
Iran compared with similar countries
- Iran's 2.93 years is above the median for upper middle income countries, which is 2.5 years, 1.2× the median. (56 countries reporting)
- Iran's 2.93 years is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 2.31 years, 1.3× the median. (23 countries reporting)
Biggest year-on-year movements
Years where School life expectancy, tertiary, both sexes (years) (both sexes) in Iran changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1995 | +301.4% | 0.2159 years | 0.8669 years |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0.1922 years | 0.1403 years | 0.2188 years | 8 |
| 1990s | 0.9182 years | 0.8669 years | 0.9482 years | 3 |
| 2000s | 1.24 years | 0.9138 years | 1.82 years | 10 |
| 2010s | 2.77 years | 2.13 years | 3.26 years | 10 |
| 2020s | 2.74 years | 2.56 years | 2.93 years | 3 |
Countries ranked near Iran
More education data for Iran
- Teachers in secondary education, both sexes (number), gaps filled 406,399 (2023)
- Repeaters in primary education, all grades, both sexes (number), gaps 108,066 (2023)
- Enrolment in pre-primary education, male (number), gaps filled 519,698 (2020)
- Enrolment in pre-primary education, female (number), gaps filled 505,053 (2020)
- Secondary education, pupils, gaps filled 6.62 million (2023)
- Primary education, duration (years), annual growth rate 0 % change on previous year (2025)
- Primary education, pupils, gaps filled 9.09 million (2023)
- Primary education, pupils, annual growth rate 3.31 % change on previous year (2023)
- Primary education, pupils, per unit of GDP 0 units per US$ of GDP (2023)
- Primary education, pupils, per capita 0.1003 units per person (2023)
Frequently asked questions
- What is school life expectancy, tertiary, both sexes in Iran?
- School life expectancy, tertiary, both sexes in Iran was 2.93 years in 2022, according to UNESCO Institute for Statistics.
- What is the highest school life expectancy, tertiary, both sexes recorded in Iran?
- The highest recorded value was 3.26 years in 2015.
- What is the lowest school life expectancy, tertiary, both sexes recorded in Iran?
- The lowest recorded value was 0.1403 years in 1971.
- How does Iran rank for school life expectancy, tertiary, both sexes?
- Iran ranks 72nd out of 196 countries with data for 2022.
- Is school life expectancy, tertiary, both sexes rising or falling in Iran?
- Over the last ten years it is up 11.2%. The long-run trend across the full record is volatile.
- Where does this Iran data come from?
- The figures come from UNESCO Institute for Statistics, published as part of School life expectancy, tertiary, both sexes (years). Statizoid updates them automatically from the source API.
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About this data
February 2026 Data Release