Botswana has made educational progress since independence in 1966 when there were only 22 university graduates in the country and only a very small percentage of the population attended secondary school. Botswana increased its adult literacy rate from 69% in 1991 to 83% in 2008. Among sub-Saharan African countries, Botswana has one of the highest literacy rates. As of 2024, 88.5% of the population aged 15 an.