In the modern world, illiteracy is a major problem that could impact society, employment levels, health, and the country's economic growth. The essay will discuss the causes of the lack of education and the major three effects of illiteracy. Possibly the main cause is children from low-income background were the hardest to attend online classes and owning digital devices during the COVID-19 quarantation. For instance, 10-year-olds unable to read or understand a simple text and express themselves, up from 67% pre-pandemic, which might lead to slow development of society. Non-sufficient education is also caused by increased poverty levels. Poverty can result in many people lacking fees to pay for children’s education, private classes or even lack money to buy educational tools. The effects of this issue on children would be severe. Firstly, people who are low literate often correlated with health problems. These people may not learn how to prevent infectious and non-co...