Adult literacy rate, population 15+ years, adjusted gender parity in ALECSO: Least Developed Countries

ALECSO: Least Developed Countries: Adult literacy rate, population 15+ years, adjusted gender parity was 0.68 GPIA in 2018. ▲ Rising

Latest (2018)
0.68 GPIA
Change on year
up 1.5%
Rank
203rd
of 203 groups
All-time high
0.68 GPIA
in 2018
All-time low
0.52 GPIA
in 1991
Years of data
27
1991–2018

Adult literacy rate, population 15+ years, adjusted gender parity in ALECSO: Least Developed Countries, 1991–2018

00.20.40.61991200420181991: 0.52 GPIA1992: 0.52 GPIA1993: 0.52 GPIA1994: 0.53 GPIA1995: 0.53 GPIA1996: 0.54 GPIA1997: 0.55 GPIA1998: 0.56 GPIA1999: 0.58 GPIA2000: 0.59 GPIA2001: 0.6 GPIA2002: 0.61 GPIA2003: 0.62 GPIA2004: 0.63 GPIA2005: 0.64 GPIA2006: 0.62 GPIA2007: 0.63 GPIA2008: 0.63 GPIA2009: 0.64 GPIA2010: 0.64 GPIA2011: 0.64 GPIA2012: 0.65 GPIA2013: 0.65 GPIA2015: 0.66 GPIA2016: 0.67 GPIA2017: 0.67 GPIA2018: 0.68 GPIA

Source: UNESCO Institute for Statistics. Measured in GPIA.

Analysis

The most recent figure for adult literacy rate, population 15+ years, adjusted gender parity in ALECSO: Least Developed Countries is 0.68 GPIA, measured in 2018. That is the highest value across all 27 years on record.

That represents a change of up 1.5% on the previous year and up 7.9% over ten years.

Over the whole period, adult literacy rate, population 15+ years, adjusted gender parity in ALECSO: Least Developed Countries peaked at 0.68 GPIA in 2018 and was at its lowest, 0.52 GPIA, in 1991.

ALECSO: Least Developed Countries ranks 203rd of 203 groups on this measure, in the bottom quarter.

The long-run direction has been consistently rising across the 27 years of available data.

Adult literacy rate, population 15+ years, adjusted gender parity in ALECSO: Least Developed Countries, year by year

Annual values for Adult literacy rate, population 15+ years, adjusted gender parity index (GPIA) in ALECSO: Least Developed Countries, 1991 to 2018.
Year GPIA Change
1991 0.52 GPIA
1992 0.52 GPIA +0.0%
1993 0.52 GPIA +0.0%
1994 0.53 GPIA +1.9%
1995 0.53 GPIA +0.0%
1996 0.54 GPIA +1.9%
1997 0.55 GPIA +1.9%
1998 0.56 GPIA +1.8%
1999 0.58 GPIA +3.6%
2000 0.59 GPIA +1.7%
2001 0.6 GPIA +1.7%
2002 0.61 GPIA +1.7%
2003 0.62 GPIA +1.6%
2004 0.63 GPIA +1.6%
2005 0.64 GPIA +1.6%
2006 0.62 GPIA -3.1%
2007 0.63 GPIA +1.6%
2008 0.63 GPIA +0.0%
2009 0.64 GPIA +1.6%
2010 0.64 GPIA +0.0%
2011 0.64 GPIA +0.0%
2012 0.65 GPIA +1.6%
2013 0.65 GPIA +0.0%
2015 0.66 GPIA +1.5%
2016 0.67 GPIA +1.5%
2017 0.67 GPIA +0.0%
2018 0.68 GPIA +1.5%

Averages by decade

DecadeAverage LowestHighest Years
1990s 0.5389 GPIA 0.52 GPIA 0.58 GPIA 9
2000s 0.621 GPIA 0.59 GPIA 0.64 GPIA 10
2010s 0.6575 GPIA 0.64 GPIA 0.68 GPIA 8

More education data for ALECSO: Least Developed Countries

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Frequently asked questions

What is adult literacy rate, population 15+ years, adjusted gender parity in ALECSO: Least Developed Countries?
Adult literacy rate, population 15+ years, adjusted gender parity in ALECSO: Least Developed Countries was 0.68 GPIA in 2018, according to UNESCO Institute for Statistics.
What is the highest adult literacy rate, population 15+ years, adjusted gender parity recorded in ALECSO: Least Developed Countries?
The highest recorded value was 0.68 GPIA in 2018.
What is the lowest adult literacy rate, population 15+ years, adjusted gender parity recorded in ALECSO: Least Developed Countries?
The lowest recorded value was 0.52 GPIA in 1991.
How does ALECSO: Least Developed Countries rank for adult literacy rate, population 15+ years, adjusted gender parity?
ALECSO: Least Developed Countries ranks 203rd out of 203 groups with data for 2018.
Is adult literacy rate, population 15+ years, adjusted gender parity rising or falling in ALECSO: Least Developed Countries?
Over the last ten years it is up 7.9%. The long-run trend across the full record is rising.
Where does this ALECSO: Least Developed Countries 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 ALECSO: Least Developed Countries. 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/alecso-least-developed-countries/

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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