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Adult literacy rate, population 15+ years, adjusted gender parity in UNESCO: Sids

UNESCO: Sids: Adult literacy rate, population 15+ years, adjusted gender parity was 0.97 GPIA in 2023. ▬ Flat

Latest (2023)
0.97 GPIA
Change on year
unchanged
Rank
56th
of 203 groups
All-time high
0.97 GPIA
in 2013
All-time low
0.95 GPIA
in 1994
Years of data
35
1989–2023

Adult literacy rate, population 15+ years, adjusted gender parity in UNESCO: Sids, 1989–2023

00.20.40.60.811989200620231989: 0.96 GPIA1990: 0.96 GPIA1991: 0.96 GPIA1992: 0.96 GPIA1993: 0.96 GPIA1994: 0.95 GPIA1995: 0.95 GPIA1996: 0.95 GPIA1997: 0.95 GPIA1998: 0.95 GPIA1999: 0.95 GPIA2000: 0.95 GPIA2001: 0.95 GPIA2002: 0.95 GPIA2003: 0.95 GPIA2004: 0.96 GPIA2005: 0.96 GPIA2006: 0.96 GPIA2007: 0.96 GPIA2008: 0.96 GPIA2009: 0.96 GPIA2010: 0.96 GPIA2011: 0.96 GPIA2012: 0.96 GPIA2013: 0.97 GPIA2014: 0.97 GPIA2015: 0.97 GPIA2016: 0.97 GPIA2017: 0.97 GPIA2018: 0.97 GPIA2019: 0.97 GPIA2020: 0.97 GPIA2021: 0.97 GPIA2022: 0.97 GPIA2023: 0.97 GPIA

Source: UNESCO Institute for Statistics. Measured in GPIA.

Analysis

UNESCO: Sids recorded 0.97 GPIA for adult literacy rate, population 15+ years, adjusted gender parity in 2023. That is the highest value across all 35 years on record.

That represents a change of unchanged over ten years.

Over the whole period, adult literacy rate, population 15+ years, adjusted gender parity in UNESCO: Sids peaked at 0.97 GPIA in 2013 and was at its lowest, 0.95 GPIA, in 1994.

UNESCO: Sids ranks 56th of 203 groups on this measure, in the middle of the range.

Adult literacy rate, population 15+ years, adjusted gender parity in UNESCO: Sids, year by year

Year GPIA Change
1989 0.96 GPIA —
1990 0.96 GPIA +0.0%
1991 0.96 GPIA +0.0%
1992 0.96 GPIA +0.0%
1993 0.96 GPIA +0.0%
1994 0.95 GPIA -1.0%
1995 0.95 GPIA +0.0%
1996 0.95 GPIA +0.0%
1997 0.95 GPIA +0.0%
1998 0.95 GPIA +0.0%
1999 0.95 GPIA +0.0%
2000 0.95 GPIA +0.0%
2001 0.95 GPIA +0.0%
2002 0.95 GPIA +0.0%
2003 0.95 GPIA +0.0%
2004 0.96 GPIA +1.1%
2005 0.96 GPIA +0.0%
2006 0.96 GPIA +0.0%
2007 0.96 GPIA +0.0%
2008 0.96 GPIA +0.0%
2009 0.96 GPIA +0.0%
2010 0.96 GPIA +0.0%
2011 0.96 GPIA +0.0%
2012 0.96 GPIA +0.0%
2013 0.97 GPIA +1.0%
2014 0.97 GPIA +0.0%
2015 0.97 GPIA +0.0%
2016 0.97 GPIA +0.0%
2017 0.97 GPIA +0.0%
2018 0.97 GPIA +0.0%
2019 0.97 GPIA +0.0%
2020 0.97 GPIA +0.0%
2021 0.97 GPIA +0.0%
2022 0.97 GPIA +0.0%
2023 0.97 GPIA +0.0%

Averages by decade

DecadeAverage LowestHighest Years
1980s 0.96 GPIA 0.96 GPIA 0.96 GPIA 1
1990s 0.954 GPIA 0.95 GPIA 0.96 GPIA 10
2000s 0.956 GPIA 0.95 GPIA 0.96 GPIA 10
2010s 0.967 GPIA 0.96 GPIA 0.97 GPIA 10
2020s 0.97 GPIA 0.97 GPIA 0.97 GPIA 4

Countries ranked near UNESCO: Sids

  1. 53 Iran, Islamic Republic of 0.9174 GPIA compare
  2. 54 Cape Verde 0.91 GPIA compare
  3. 55 Guatemala 0.9 GPIA compare
  4. 55 Timor-Leste 0.9 GPIA compare
  5. 55 Uganda 0.9 GPIA compare
  6. 58 Ghana 0.89 GPIA compare
  7. 58 Sao Tome and Principe 0.89 GPIA compare

See the full ranking of 291 places →

More education data for UNESCO: Sids

All data for UNESCO: Sids →

Frequently asked questions

What is adult literacy rate, population 15+ years, adjusted gender parity in UNESCO: Sids?
Adult literacy rate, population 15+ years, adjusted gender parity in UNESCO: Sids was 0.97 GPIA in 2023, according to UNESCO Institute for Statistics.
What is the highest adult literacy rate, population 15+ years, adjusted gender parity recorded in UNESCO: Sids?
The highest recorded value was 0.97 GPIA in 2013.
What is the lowest adult literacy rate, population 15+ years, adjusted gender parity recorded in UNESCO: Sids?
The lowest recorded value was 0.95 GPIA in 1994.
How does UNESCO: Sids rank for adult literacy rate, population 15+ years, adjusted gender parity?
UNESCO: Sids ranks 56th out of 203 groups with data for 2023.
Is adult literacy rate, population 15+ years, adjusted gender parity rising or falling in UNESCO: Sids?
Over the last ten years it is unchanged. The long-run trend across the full record is flat.
Where does this UNESCO: Sids data come from?
The figures come from UNESCO Institute for Statistics, published as part of Adult literacy rate, population 15+ years, adjusted gender parity index (GPIA). Statizoid updates them automatically from the source API.

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Adult literacy rate, population 15+ years, adjusted gender parity in UNESCO: Sids. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 11 September 2026, from https://education.statizoid.com/stat/adult-literacy-rate-population-15-years-adjusted-gender-parity-index-gpia-2/unesco-sids/

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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