Iran, Islamic Republic of vs SDG: Small Island Developing States: Adult literacy rate, population 15+ years, adjusted gender parity

Iran, Islamic Republic of
0.9174 GPIA
in 2023
SDG: Small Island Developing States
0.97 GPIA
in 2024
Iran, Islamic Republic of rank
53rd
SDG: Small Island Developing States rank
56th

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

  • Iran, Islamic Republic of
  • SDG: Small Island Developing States
00.20.40.60.81197620002024

How they compare

SDG: Small Island Developing States currently reports 0.97 GPIA against 0.9174 GPIA in Iran, Islamic Republic of, a difference of 0.0526 GPIA.

That makes SDG: Small Island Developing States's figure about 1.1 times Iran, Islamic Republic of's.

Across all 21 years both countries report, SDG: Small Island Developing States has been ahead every year.

Iran, Islamic Republic of ranks 53rd and SDG: Small Island Developing States ranks 56th of 88 countries.

SDG: Small Island Developing States has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade Iran, Islamic Republic of SDG: Small Island Developing States Difference Ahead
1990s 0.795 GPIA 0.96 GPIA 0.165 GPIA SDG: Small Island Developing States
2000s 0.8729 GPIA 0.964 GPIA 0.0911 GPIA SDG: Small Island Developing States
2010s 0.894 GPIA 0.97 GPIA 0.076 GPIA SDG: Small Island Developing States
2020s 0.9147 GPIA 0.97 GPIA 0.0553 GPIA SDG: Small Island Developing States

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 SDG: Small Island Developing States?
SDG: Small Island Developing States, at 0.97 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 SDG: Small Island Developing States?
0.0526 GPIA, with SDG: Small Island Developing States ahead.
How many years of comparable data are there for Iran, Islamic Republic of and SDG: Small Island Developing States?
21 years are reported by both, from 1991 to 2023.
How do Iran, Islamic Republic of and SDG: Small Island Developing States rank globally for adult literacy rate, population 15+ years, adjusted gender parity?
Iran, Islamic Republic of ranks 53rd and SDG: Small Island Developing States ranks 56th 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 SDG: Small Island Developing States: Adult literacy rate, population 15+ years, adjusted gender parity. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 14 September 2026, from https://education.statizoid.com/compare/adult-literacy-rate-population-15-years-adjusted-gender-parity-index-gpia-2/iran-islamic-rep/sdg-small-island-developing-states/

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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

February 2026 Data Release