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

9 years are reported by both, from 2005 to 2020.

Where does this data come from?

UNESCO Institute for Statistics, published as Adult literacy rate, population 15+ years, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran, Islamic Republic of vs Peru: Adult literacy rate, population 15+ years, adjusted gender parity

Iran, Islamic Republic of

0.9174 GPIA

in 2023

Peru

0.93 GPIA

in 2024

Iran, Islamic Republic of rank

53rd

Peru rank

52nd

Adult literacy rate, population 15+ years, adjusted gender parity over time

Iran, Islamic Republic of
Peru

How they compare

Peru currently reports 0.93 GPIA against 0.9174 GPIA in Iran, Islamic Republic of, a difference of 0.0126 GPIA.

Across all 9 years both countries report, Peru has been ahead every year.

Iran, Islamic Republic of ranks 53rd and Peru ranks 52nd of 88 countries.

Peru has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Iran, Islamic Republic of	Peru	Difference	Ahead
2000s	0.88 GPIA	0.885 GPIA	0.005 GPIA	Peru
2010s	0.8933 GPIA	0.9383 GPIA	0.0451 GPIA	Peru
2020s	0.9106 GPIA	0.95 GPIA	0.0394 GPIA	Peru

Averages of every year both report within each decade.

Frequently asked questions

Which has higher adult literacy rate, population 15+ years, adjusted gender parity, Iran, Islamic Republic of or Peru?: Peru, at 0.93 GPIA against 0.9174 GPIA in Iran, Islamic Republic of as of 2024.
What is the difference in adult literacy rate, population 15+ years, adjusted gender parity between Iran, Islamic Republic of and Peru?: 0.0126 GPIA, with Peru ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Peru?: 9 years are reported by both, from 2005 to 2020.
How do Iran, Islamic Republic of and Peru rank globally for adult literacy rate, population 15+ years, adjusted gender parity?: Iran, Islamic Republic of ranks 53rd and Peru ranks 52nd of 88 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Adult literacy rate, population 15+ years, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran, Islamic Republic of vs Peru: Adult literacy rate, population 15+ years, adjusted gender parity. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 13 September 2026, from https://education.statizoid.com/compare/adult-literacy-rate-population-15-years-adjusted-gender-parity-index-gpia-2/iran-islamic-rep/peru/

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<a href="https://education.statizoid.com/compare/adult-literacy-rate-population-15-years-adjusted-gender-parity-index-gpia-2/iran-islamic-rep/peru/">Iran, Islamic Republic of vs Peru: Adult literacy rate, population 15+ years, adjusted gender parity</a> — Statizoid

About this data

Indicator: Adult literacy rate, population 15+ 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: 291 places, 9,496 data points, 1970–2024
Last refreshed: 06 September 2026

February 2026 Data Release