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Countries With the Fastest Decline in Literacy rate (5-Year Change)

Change in Literacy rate over the five years to each country's latest year, in points (a share or rate is not shown as a % of itself). Only countries that fell are listed. Source: The World Bank (CC BY 4.0).

Summary

Mauritania fell the most: by 5.58 pts, from 65.1% of people 15+ to 59.5% of people 15+ in the five years to 2020. Congo, Dem. Rep. is second (−5.05 pts), followed by South Africa (−3.87 pts). 12 countries fell over that period; the median change among them was −0.716 pts.

#1
Mauritania · −5.58 pts
Median
−0.716 pts
Coverage
12 countries
Data year
2024
Last updated
2026-11-14
Top 10: 5-year change (points)Bar chart of the top 10: 1. Mauritania -5.58; 2. Congo, Dem. Rep. -5.05; 3. South Africa -3.87; 4. Lesotho -1.95; 5. Bhutan -1.65; 6. Sierra Leone -0.79; 7. Namibia -0.643; 8. Maldives -0.4; 9. Honduras -0.26; 10. Georgia -0.196.Mauritania-5.58Congo, Dem. Rep.-5.05South Africa-3.87Lesotho-1.95Bhutan-1.65Sierra Leone-0.79Namibia-0.643Maldives-0.4Honduras-0.26Georgia-0.196
Top 10: 5-year change (points). Bar chart of the top 10: 1. Mauritania -5.58; 2. Congo, Dem. Rep. -5.05; 3. South Africa -3.87; 4. Lesotho -1.95; 5. Bhutan -1.65; 6. Sierra Leone -0.79; 7. Namibia -0.643; 8. Maldives -0.4; 9. Honduras -0.26; 10. Georgia -0.196.

Full ranking

Countries With the Fastest Decline in Literacy rate (5-Year Change), 2024
RankCountryFromTo5-year change (points)
1Mauritania65.159.5−5.58 pts
2Congo, Dem. Rep.73.668.5−5.05 pts
3South Africa9591.2−3.87 pts
4Lesotho92.490.5−1.95 pts
5Bhutan66.664.9−1.65 pts
6Sierra Leone44.443.6−0.79 pts
7Namibia88.387.6−0.643 pts
8Maldives98.698.2−0.4 pts
9Honduras88.588.3−0.26 pts
10Georgia99.999.7−0.196 pts
11Armenia10099.8−0.16 pts
12Côte d'Ivoire5050−0.04 pts

About the top 10

#3 South Africa

South Africa ranks #3 on this list with −3.87 pts.

Capital
Pretoria, Cape Town
Continent
Africa
Income group
Upper middle income
Population
64.75 million people (2025)
GDP
US$427.18 billion (2025)
GDP per person
US$6,598 (2025)
Life expectancy
66.3 years (2024)
Urban population
63.8% of population (2025)

Largest cities: City of Johannesburg Metropolitan Municipality, Johannesburg, Cape Town.

Also ranks #2 in unemployment rate · #2 in youth unemployment rate · #2 in income share of richest 10%.

Profile facts: World Bank (CC BY 4.0) and Wikidata (CC0); weather links go to Purr Weather, another ChowChow Labs site.

Source and method

Change in Literacy rate over the five years to each country's latest year, in points (a share or rate is not shown as a % of itself). Only countries that fell are listed.

Source: The World Bank, indicator SE.ADT.LITR.ZS. Licence: CC BY 4.0. Retrieved: 2026-11-14.

The World Bank: Literacy rate, adult total (% of people ages 15 and above): Data API, UN Educational, Scientific and Cultural Organization (UNESCO) (via World Development Indicators)

Original data provider, as recorded by the World Bank: Data API, UN Educational, Scientific and Cultural Organization (UNESCO).

Values are shown as published (changes are computed from the published values). Provider terms: The World Bank. All licences: Sources & licences.