Illiterate population, 25-64 years, both sexes in Low & middle income

Low & middle income: Illiterate population, 25-64 years, both sexes was 501.73 million number in 2019. ▼ Falling

Latest (2019)
501.73 million number
Change on year
down 0.4%
Rank
2nd
of 38 groups
All-time high
584.70 million number
in 1987
All-time low
497.10 million number
in 2004
Years of data
45
1975–2019

Illiterate population, 25-64 years, both sexes in Low & middle income, 1975–2019

0200.0M400.0M600.0M1975199720191975: 524.8M number1976: 536.2M number1977: 546.9M number1978: 552.4M number1979: 557.7M number1980: 565.3M number1981: 566.1M number1982: 560.3M number1983: 573.9M number1984: 575.8M number1985: 579.3M number1986: 582.0M number1987: 584.7M number1988: 560.2M number1989: 563.2M number1990: 564.8M number1991: 567.3M number1992: 568.1M number1993: 569.0M number1994: 569.8M number1995: 570.0M number1996: 570.2M number1997: 527.2M number1998: 501.9M number1999: 501.7M number2000: 498.2M number2001: 502.1M number2002: 503.0M number2003: 498.6M number2004: 497.1M number2005: 509.5M number2006: 510.6M number2007: 519.6M number2008: 515.2M number2009: 516.3M number2010: 509.4M number2011: 514.0M number2012: 513.2M number2013: 516.7M number2014: 511.9M number2015: 506.9M number2016: 503.3M number2017: 504.6M number2018: 503.8M number2019: 501.7M number

Source: UNESCO Institute for Statistics. Measured in number.

Analysis

Low & middle income recorded 501.73 million number for illiterate population, 25-64 years, both sexes in 2019.

The figure is down 0.4% on the previous year and down 2.8% over ten years.

Over the whole period, illiterate population, 25-64 years, both sexes in Low & middle income peaked at 584.70 million number in 1987 and was at its lowest, 497.10 million number, in 2004.

Low & middle income ranks 2nd of 38 groups on this measure, in the top 10%.

The long-run direction has been consistently falling across the 45 years of available data.

Illiterate population, 25-64 years, both sexes in Low & middle income, year by year

Annual values for Illiterate population, 25-64 years, both sexes (number) in Low & middle income, 1975 to 2019.
Year number Change
1975 524.81 million number
1976 536.22 million number +2.2%
1977 546.94 million number +2.0%
1978 552.37 million number +1.0%
1979 557.74 million number +1.0%
1980 565.32 million number +1.4%
1981 566.12 million number +0.1%
1982 560.29 million number -1.0%
1983 573.85 million number +2.4%
1984 575.83 million number +0.3%
1985 579.34 million number +0.6%
1986 582.01 million number +0.5%
1987 584.70 million number +0.5%
1988 560.19 million number -4.2%
1989 563.21 million number +0.5%
1990 564.75 million number +0.3%
1991 567.32 million number +0.5%
1992 568.07 million number +0.1%
1993 569.00 million number +0.2%
1994 569.75 million number +0.1%
1995 570.02 million number +0.0%
1996 570.17 million number +0.0%
1997 527.21 million number -7.5%
1998 501.86 million number -4.8%
1999 501.67 million number -0.0%
2000 498.25 million number -0.7%
2001 502.07 million number +0.8%
2002 502.99 million number +0.2%
2003 498.58 million number -0.9%
2004 497.10 million number -0.3%
2005 509.54 million number +2.5%
2006 510.65 million number +0.2%
2007 519.59 million number +1.8%
2008 515.17 million number -0.9%
2009 516.27 million number +0.2%
2010 509.37 million number -1.3%
2011 513.99 million number +0.9%
2012 513.18 million number -0.2%
2013 516.74 million number +0.7%
2014 511.88 million number -0.9%
2015 506.90 million number -1.0%
2016 503.31 million number -0.7%
2017 504.56 million number +0.2%
2018 503.76 million number -0.2%
2019 501.73 million number -0.4%

Averages by decade

DecadeAverage LowestHighest Years
1970s 543.61 million number 524.81 million number 557.74 million number 5
1980s 571.09 million number 560.19 million number 584.70 million number 10
1990s 550.98 million number 501.67 million number 570.17 million number 10
2000s 507.02 million number 497.10 million number 519.59 million number 10
2010s 508.54 million number 501.73 million number 516.74 million number 10

Countries ranked near Low & middle income

  1. 1 India 186.67 million number compare
  2. 2 Pakistan 39.83 million number compare
  3. 3 Nigeria 28.54 million number compare
  4. 4 Bangladesh 23.23 million number compare
  5. 5 Egypt 13.77 million number compare

See the full ranking of 122 places →

More reference data data for Low & middle income

All data for Low & middle income →

Frequently asked questions

What is illiterate population, 25-64 years, both sexes in Low & middle income?
Illiterate population, 25-64 years, both sexes in Low & middle income was 501.73 million number in 2019, according to UNESCO Institute for Statistics.
What is the highest illiterate population, 25-64 years, both sexes recorded in Low & middle income?
The highest recorded value was 584.70 million number in 1987.
What is the lowest illiterate population, 25-64 years, both sexes recorded in Low & middle income?
The lowest recorded value was 497.10 million number in 2004.
How does Low & middle income rank for illiterate population, 25-64 years, both sexes?
Low & middle income ranks 2nd out of 38 groups with data for 2019.
Is illiterate population, 25-64 years, both sexes rising or falling in Low & middle income?
Over the last ten years it is down 2.8%. The long-run trend across the full record is falling.
Where does this Low & middle income data come from?
The figures come from UNESCO Institute for Statistics, published as part of Illiterate population, 25-64 years, both sexes (number). Statizoid updates them automatically from the source API.

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Illiterate population, 25-64 years, both sexes in Low & middle income. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 25 August 2026, from https://reference.statizoid.com/stat/illiterate-population-25-64-years-both-sexes-number/low-and-middle-income/

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About this data

Indicator
Illiterate population, 25-64 years, both sexes (number)
Unit
number
Source
UNESCO Institute for Statistics
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
122 places, 2,239 data points, 1970–2019
Last refreshed

Total number of adults from age 25 to age 64 who cannot both read and write with understanding a short simple statement on their everyday life.