Completion rate, lower secondary education, both sexes (modelled data) in Iran, Islamic Republic of
Iran, Islamic Republic of: Completion rate, lower secondary education, both sexes (modelled data) was 92.1% in 2025. ▲ Rising
Completion rate, lower secondary education, both sexes (modelled data) in Iran, Islamic Republic of, 1981–2025
Source: UNESCO Institute for Statistics. Measured in %.
Analysis
The most recent figure for completion rate, lower secondary education, both sexes (modelled data) in Iran, Islamic Republic of is 92.1%, measured in 2025. That is the highest value across all 45 years on record.
That represents a change of up 0.6% on the previous year and up 8.4% over ten years.
Over the whole period, completion rate, lower secondary education, both sexes (modelled data) in Iran, Islamic Republic of peaked at 92.1% in 2025 and was at its lowest, 37.7%, in 1981.
That places Iran, Islamic Republic of 74th out of 164 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 45 years of available data.
Completion rate, lower secondary education, both sexes (modelled data) in Iran, Islamic Republic of, year by year
| Year | % | Change |
|---|---|---|
| 1981 | 37.7% | — |
| 1982 | 39.1% | +3.9% |
| 1983 | 40.6% | +3.8% |
| 1984 | 42.0% | +3.4% |
| 1985 | 43.5% | +3.6% |
| 1986 | 45.0% | +3.4% |
| 1987 | 46.4% | +3.1% |
| 1988 | 47.8% | +3.1% |
| 1989 | 49.6% | +3.7% |
| 1990 | 51.6% | +4.1% |
| 1991 | 53.9% | +4.5% |
| 1992 | 56.2% | +4.3% |
| 1993 | 58.6% | +4.2% |
| 1994 | 60.9% | +3.9% |
| 1995 | 62.9% | +3.3% |
| 1996 | 64.8% | +3.1% |
| 1997 | 67.0% | +3.3% |
| 1998 | 69.3% | +3.5% |
| 1999 | 71.3% | +3.0% |
| 2000 | 72.8% | +2.0% |
| 2001 | 73.9% | +1.5% |
| 2002 | 74.8% | +1.2% |
| 2003 | 75.6% | +1.1% |
| 2004 | 76.3% | +0.9% |
| 2005 | 77.0% | +0.9% |
| 2006 | 77.8% | +1.1% |
| 2007 | 78.5% | +1.0% |
| 2008 | 79.3% | +1.0% |
| 2009 | 80.2% | +1.1% |
| 2010 | 81.0% | +1.1% |
| 2011 | 81.8% | +0.9% |
| 2012 | 82.4% | +0.7% |
| 2013 | 83.2% | +1.0% |
| 2014 | 84.1% | +1.1% |
| 2015 | 85.0% | +1.1% |
| 2016 | 85.9% | +1.1% |
| 2017 | 86.7% | +1.0% |
| 2018 | 87.5% | +0.9% |
| 2019 | 88.3% | +0.9% |
| 2020 | 89.0% | +0.8% |
| 2021 | 89.7% | +0.8% |
| 2022 | 90.4% | +0.7% |
| 2023 | 90.9% | +0.6% |
| 2024 | 91.5% | +0.6% |
| 2025 | 92.1% | +0.6% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 43.5% | 37.7% | 49.6% | 9 |
| 1990s | 61.7% | 51.6% | 71.3% | 10 |
| 2000s | 76.6% | 72.8% | 80.2% | 10 |
| 2010s | 84.6% | 81.0% | 88.3% | 10 |
| 2020s | 90.6% | 89.0% | 92.1% | 6 |
Countries ranked near Iran, Islamic Republic of
More education data for Iran, Islamic Republic of
- Primary education, teachers, gaps filled 372,396 (2023)
- Duration of pre primary education, annual growth rate 0 % change on previous year (2025)
- Population ages 0-14 22.0% (2025)
- Primary school starting age 6 years (2025)
- Lower secondary school starting age 12 years (2025)
- Population ages 15-64 69.4% (2025)
- Official entrance age to pre primary education 5 (2025)
- Duration of pre primary education 1 (2025)
- Primary secondary enrollment completion rates, gaps filled 101.96 (2023)
- School enrollment, primary 102.0% (2023)
Frequently asked questions
- What is completion rate, lower secondary education, both sexes (modelled data) in Iran, Islamic Republic of?
- Completion rate, lower secondary education, both sexes (modelled data) in Iran, Islamic Republic of was 92.1% in 2025, according to UNESCO Institute for Statistics.
- What is the highest completion rate, lower secondary education, both sexes (modelled data) recorded in Iran, Islamic Republic of?
- The highest recorded value was 92.1% in 2025.
- What is the lowest completion rate, lower secondary education, both sexes (modelled data) recorded in Iran, Islamic Republic of?
- The lowest recorded value was 37.7% in 1981.
- How does Iran, Islamic Republic of rank for completion rate, lower secondary education, both sexes (modelled data)?
- Iran, Islamic Republic of ranks 74th out of 164 countries with data for 2025.
- Is completion rate, lower secondary education, both sexes (modelled data) rising or falling in Iran, Islamic Republic of?
- Over the last ten years it is up 8.4%. The long-run trend across the full record is rising.
- Where does this Iran, Islamic Republic of data come from?
- The figures come from UNESCO Institute for Statistics, published as part of Completion rate, lower secondary education, both sexes (modelled data) (%). Statizoid updates them automatically from the source API.
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CSV · JSON — 45 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release