According to the United Nations, about 75 million children are currently not receiving any kind of schooling, which is why Tuesday has been declared international literacy day.
Estimates suggest 82% of the worlds population is literate, but this means 18% - or over 1 billion people - are illiterate.
In the Arab world, Jordan is among the most literate states, but among the nomadic people such as the Bedouins, illteracy is still high.
Nisreen El-Shamayleh reports from Al Jafr on one man's efforts to bring about change.