Literacy rate, population 25-64 years, adjusted gender parity index in Iran, Islamic Republic of

Iran, Islamic Republic of: Literacy rate, population 25-64 years, adjusted gender parity index was 0.9353 GPIA in 2023. ▲ Rising

Latest (2023)
0.9353 GPIA
Change on year
up 0.3%
World rank
53rd
of 87 countries
All-time high
0.9353 GPIA
in 2023
All-time low
0.4 GPIA
in 1976
Years of data
22
1976–2023

Literacy rate, population 25-64 years, adjusted gender parity index in Iran, Islamic Republic of, 1976–2023

00.20.40.60.811976199920231976: 0.4 GPIA1986: 0.54 GPIA1991: 0.66 GPIA1996: 0.75 GPIA2005: 0.82 GPIA2006: 0.84 GPIA2008: 0.84 GPIA2009: 0.854 GPIA2010: 0.857 GPIA2011: 0.88 GPIA2012: 0.87 GPIA2013: 0.88 GPIA2014: 0.88 GPIA2015: 0.893 GPIA2016: 0.9 GPIA2017: 0.902 GPIA2018: 0.913 GPIA2019: 0.919 GPIA2020: 0.925 GPIA2021: 0.931 GPIA2022: 0.932 GPIA2023: 0.935 GPIA

Source: UNESCO Institute for Statistics. Measured in GPIA.

Analysis

The most recent figure for literacy rate, population 25-64 years, adjusted gender parity index in Iran, Islamic Republic of is 0.9353 GPIA, measured in 2023. That is the highest value across all 22 years on record.

The figure is up 0.3% on the previous year and up 6.3% over ten years.

Over the whole period, literacy rate, population 25-64 years, adjusted gender parity index in Iran, Islamic Republic of peaked at 0.9353 GPIA in 2023 and was at its lowest, 0.4 GPIA, in 1976.

Iran, Islamic Republic of ranks 53rd of 87 countries on this measure, in the middle of the range.

The long-run direction has been consistently rising across the 22 years of available data.

Literacy rate, population 25-64 years, adjusted gender parity index in Iran, Islamic Republic of, year by year

Annual values for Literacy rate, population 25-64 years, adjusted gender parity index (GPIA) in Iran, Islamic Republic of, 1976 to 2023.
Year GPIA Change
1976 0.4 GPIA
1986 0.54 GPIA +35.0%
1991 0.66 GPIA +22.2%
1996 0.75 GPIA +13.6%
2005 0.82 GPIA +9.3%
2006 0.84 GPIA +2.4%
2008 0.84 GPIA +0.0%
2009 0.854 GPIA +1.7%
2010 0.8571 GPIA +0.4%
2011 0.88 GPIA +2.7%
2012 0.87 GPIA -1.1%
2013 0.88 GPIA +1.1%
2014 0.88 GPIA +0.0%
2015 0.8932 GPIA +1.5%
2016 0.9 GPIA +0.8%
2017 0.9016 GPIA +0.2%
2018 0.9127 GPIA +1.2%
2019 0.9188 GPIA +0.7%
2020 0.9253 GPIA +0.7%
2021 0.9312 GPIA +0.6%
2022 0.9325 GPIA +0.1%
2023 0.9353 GPIA +0.3%

Averages by decade

DecadeAverage LowestHighest Years
1970s 0.4 GPIA 0.4 GPIA 0.4 GPIA 1
1980s 0.54 GPIA 0.54 GPIA 0.54 GPIA 1
1990s 0.705 GPIA 0.66 GPIA 0.75 GPIA 2
2000s 0.8385 GPIA 0.82 GPIA 0.854 GPIA 4
2010s 0.8893 GPIA 0.8571 GPIA 0.9188 GPIA 10
2020s 0.9311 GPIA 0.9253 GPIA 0.9353 GPIA 4

Countries ranked near Iran, Islamic Republic of

  1. 51 Cape Verde 0.95 GPIA compare
  2. 51 Peru 0.95 GPIA compare
  3. 54 Rwanda 0.93 GPIA compare
  4. 55 Bangladesh 0.91 GPIA compare
  5. 56 Guatemala 0.88 GPIA compare
  6. 56 Tunisia 0.88 GPIA compare

See the full ranking of 290 places →

More education data for Iran, Islamic Republic of

All data for Iran, Islamic Republic of →

Frequently asked questions

What is literacy rate, population 25-64 years, adjusted gender parity index in Iran, Islamic Republic of?
Literacy rate, population 25-64 years, adjusted gender parity index in Iran, Islamic Republic of was 0.9353 GPIA in 2023, according to UNESCO Institute for Statistics.
What is the highest literacy rate, population 25-64 years, adjusted gender parity index recorded in Iran, Islamic Republic of?
The highest recorded value was 0.9353 GPIA in 2023.
What is the lowest literacy rate, population 25-64 years, adjusted gender parity index recorded in Iran, Islamic Republic of?
The lowest recorded value was 0.4 GPIA in 1976.
How does Iran, Islamic Republic of rank for literacy rate, population 25-64 years, adjusted gender parity index?
Iran, Islamic Republic of ranks 53rd out of 87 countries with data for 2023.
Is literacy rate, population 25-64 years, adjusted gender parity index rising or falling in Iran, Islamic Republic of?
Over the last ten years it is up 6.3%. 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 Literacy rate, population 25-64 years, adjusted gender parity index (GPIA). Statizoid updates them automatically from the source API.

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Literacy rate, population 25-64 years, adjusted gender parity index in Iran, Islamic Republic of. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 03 September 2026, from https://education.statizoid.com/stat/literacy-rate-population-25-64-years-adjusted-gender-parity-index-gpia-2/iran-islamic-rep/

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About this data

Indicator
Literacy rate, population 25-64 years, adjusted gender parity index (GPIA)
Unit
GPIA
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
290 places, 9,561 data points, 1970–2024
Last refreshed

February 2026 Data Release