4 in 5: https://www.nu.edu/blog/49-adult-literacy-statistics-and-facts/ https://www.nu.edu/blog/49-adult-literacy-statistics-and-fac... > 21% of U.S. adults ar

4 in 5: https://www.nu.edu/blog/49-adult-literacy-statistics-and-facts/ https://www.nu.edu/blog/49-adult-literacy-statistics-and-fac... > 21% of U.S. adults are classified as functionally illiterate, unable to complete basic reading tasks.