Keeping this in view, illiteracy is one of the biggest social problems of the 21st century, and affects millions of individuals around the world. Due to financial and cultural constraints, and an increasing number of child workers, children, especially girls do not get the chance to get any kind of schooling, and illiteracy travels through the generations.
These percentages are based on PIAAC literacy skills, and classify adults as between the ages of 16 and 65. This kind of research not only helps social scientists and policy makers, but also helps clarify misconceptions about certain racial issues among the general public

Infographic by: www.air.org