In the past decades, the enrollment rate in primary education has increased worldwide; however, illiteracy is one of the issues concerning several countries. This essay will discuss its causes and effects on certain people and on a nation. Perhaps the major factor here is poverty exists in every country in the world. Poor people reliably meet their basic personal needs, such as food, shelter, and clothing. Going to school requires some expenses including school supplies, uniforms, and travel costs; thus, low-income families may choose to provide basic needs first instead of investing in their children’s education. It results in children growing into illiterate adults. Another well-known cause is the inadequate provision of schools. Many countries fail to meet the rising demand for schools caused by population growth. As a result, there are millions of children out of school worldwide. However, some may argue that social barriers lead to some people not being educated. Whe...