Passage: Educators face considerable challenges due to the nation's dispersed population and a certain degree of reluctance on the part of parents to send their children to school. Although attendance is compulsory, only 68 percent of boys attend primary school, and more than half of the population is illiterate. Higher education is provided at the University of N'Djamena. At 33 percent, Chad has one of the lowest literacy rates of Sub-Saharan Africa.In 2013, the U.S. Department of Labor's Findings on the Worst Forms of Child Labor in Chad reported that school attendance of children aged 5 to 14 was as low as 39%. This can also be related to the issue of child labor as the report also stated that 53% of children aged 5 to 14 were working children, and that 30% of children aged 7 to 14 combined work and school. A more recent DOL report listed cattle herding as a major agricultural activity that employed underage children.

Question: What is the prevalence of illiteracy in the country?
more than half of the population is illiterate